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Naturalists' Calendars -- The First Roots of Biology
Vol 21, Iss 1, Page 3, Date 1950
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Texas Find Augments Mammalian History
Vol 21, Iss 1, Page 4, Date 1950
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Co-operation by Birds
Vol 21, Iss 1, Page 5, Date 1950
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Rush Watkins Collection from Siam Received
Vol 21, Iss 1, Page 6, Date 1950
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Despised Weeds Sometimes Prove Benefactors of Man
Vol 21, Iss 1, Page 7, Date 1950
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Whales, Most Remarkable Mammals That Ever Lived
Vol 21, Iss 2, Page 3, Date 1950
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Blue Mushrooms
Vol 21, Iss 2, Page 3, Date 1950
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Resurrecting a Prehistoric Indian Village
Vol 21, Iss 2, Page 4, Date 1950
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School Teachers Learn How to Use the Museum
Vol 21, Iss 2, Page 5, Date 1950
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Conditioning in Birds
Vol 21, Iss 2, Page 6, Date 1950
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Nature Photo Exhibit Opens February 1
Vol 21, Iss 2, Page 7, Date 1950
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Colombian Expedition Mammals Received
Vol 21, Iss 2, Page 7, Date 1950
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No Single Thing Abides
Vol 21, Iss 3, Page 2, Date 1950
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Exhibit Tells Story of Birds' Nests and Eggs
Vol 21, Iss 3, Page 4, Date 1950
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Zoologists Will Study Animals of Borneo
Vol 21, Iss 3, Page 5, Date 1950
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The Earliest Vertebrates Wore Heavy Armor
Vol 21, Iss 3, Page 6, Date 1950
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Fifth Chicago International Nature Photo Contest Awards Announced
Vol 21, Iss 3, Page 8, Date 1950
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Paul J. Warner, 1881-1950
Vol 21, Iss 4, Page 2, Date 1950
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Bonanza in Birds: 17,000 Specimens from East Africa
Vol 21, Iss 4, Page 3, Date 1950
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Tree Damage By Ice Costs Millions
Vol 21, Iss 4, Page 4, Date 1950
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Wyoming 'Mummy' Mystery Solved
Vol 21, Iss 4, Page 5, Date 1950
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Paleontology Expedition Begins Texas Work
Vol 21, Iss 4, Page 5, Date 1950
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The African 'Bugs Bunny,' A Picaresque Character
Vol 21, Iss 4, Page 6, Date 1950
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Report From Micronesia
Vol 21, Iss 4, Page 7, Date 1950
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Expedition to Cuba
Vol 21, Iss 4, Page 7, Date 1950
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Borneo Expedition Leaves
Vol 21, Iss 4, Page 7, Date 1950
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What and How Fishes Can Hear, as Revealed in Tests
Vol 21, Iss 5, Page 4, Date 1950
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African Bird Painting By Louis A. Fuertes
Vol 21, Iss 5, Page 5, Date 1950
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From Portolano Charts to Modern Sea Guides
Vol 21, Iss 5, Page 6, Date 1950
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Florida Reptile Collecting
Vol 21, Iss 5, Page 7, Date 1950
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Seeks Rare Salamander of Arkansas-Oklahoma
Vol 21, Iss 5, Page 8, Date 1950
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Boardman Conover, 1892-1950
Vol 21, Iss 6, Page 2, Date 1950
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Museum Archaeologists to Explore New Mexico Caves
Vol 21, Iss 6, Page 3, Date 1950
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Vicious Circle of Malaria: Man to Mosquito to Man
Vol 21, Iss 6, Page 4, Date 1950
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The Snake-Bite Problem
Vol 21, Iss 6, Page 6, Date 1950
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An Exhibit Rejuvenated
Vol 21, Iss 6, Page 7, Date 1950
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Australian 'Mountain Devil'
Vol 21, Iss 6, Page 7, Date 1950
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Birds from Nepal
Vol 21, Iss 6, Page 7, Date 1950
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Economic Geology Field Trip
Vol 21, Iss 6, Page 7, Date 1950
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Henry W. Nichols, 1866-1950
Vol 21, Iss 7, Page 2, Date 1950
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Hawthorns Beautiful But a Headache to Taxonomists
Vol 21, Iss 7, Page 3, Date 1950
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Symbiosis--Animals Living in Mixed Households
Vol 21, Iss 7, Page 4, Date 1950
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A Naturalist's Excursion in Spessart Forest
Vol 21, Iss 7, Page 4, Date 1950
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Rare French Volumes on Science Acquired
Vol 21, Iss 7, Page 5, Date 1950
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I Live in Honduras
Vol 21, Iss 7, Page 6, Date 1950
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Bermuda Zoological Expedition
Vol 21, Iss 7, Page 7, Date 1950
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Invertebrate Fossil Collecting
Vol 21, Iss 7, Page 7, Date 1950
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Louis B. Bishop, 1865-1950
Vol 21, Iss 7, Page 7, Date 1950
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Early American Peace
Vol 21, Iss 8, Page 2, Date 1950
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Stories in Hair and Fur' Told by a Special Exhibit
Vol 21, Iss 8, Page 3, Date 1950
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Salamanders Collected
Vol 21, Iss 8, Page 3, Date 1950
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Ragweeds--Villains of Hay Fever
Vol 21, Iss 8, Page 4, Date 1950
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Crows are Smarter than 'Wise' Owls
Vol 21, Iss 8, Page 5, Date 1950
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Primordial Protoplasm Globules
Vol 21, Iss 8, Page 6, Date 1950
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Digging in Micronesia
Vol 21, Iss 8, Page 6, Date 1950
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Indian Fishermen
Vol 21, Iss 8, Page 7, Date 1950
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Sovereigns and Science
Vol 21, Iss 8, Page 8, Date 1950
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C' is for 'Cat'
Vol 21, Iss 9, Page 2, Date 1950
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Atom Defense Revaluates the Ancient Art of Tattoo
Vol 21, Iss 9, Page 3, Date 1950
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Fur Exhibit to Continue; Animal Photo Show on Way
Vol 21, Iss 9, Page 3, Date 1950
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Geologic Periods: How Our Concepts Have Changed
Vol 21, Iss 9, Page 5, Date 1950
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Changes in Cultures of U.S. Indians
Vol 21, Iss 9, Page 6, Date 1950
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From Zoo to Museum
Vol 21, Iss 9, Page 6, Date 1950
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Rare Birds Survive
Vol 21, Iss 9, Page 7, Date 1950
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Cryptogamic Project in Europe Completed
Vol 21, Iss 10, Page 2, Date 1950
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David J. Conwill, 1880-1950
Vol 21, Iss 10, Page 2, Date 1950
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Two 1,400-Year-Old Mummies Discovered in New Mexico
Vol 21, Iss 10, Page 3, Date 1950
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Archaeological Expedition Recorded in Color Film
Vol 21, Iss 10, Page 3, Date 1950
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Animal Introductions Upset Conservation
Vol 21, Iss 10, Page 5, Date 1950
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Arkansas Field Trip
Vol 21, Iss 10, Page 5, Date 1950
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Atom-Bomb Defense Plan Meetings at Museum
Vol 21, Iss 10, Page 5, Date 1950
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Illinois Audubon Society--History and Purpose
Vol 21, Iss 10, Page 6, Date 1950
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Baby Gorilla Received
Vol 21, Iss 10, Page 7, Date 1950
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Minerals From Columbia
Vol 21, Iss 10, Page 8, Date 1950
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Benjamin Bridge, 1870-1950
Vol 21, Iss 11, Page 2, Date 1950
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A Deserved Rebuke to Lazy Researchers
Vol 21, Iss 11, Page 2, Date 1950
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Landscapes of the U.S. From the Point of View of a Botanist
Vol 21, Iss 11, Page 3, Date 1950
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Birds of Korea Have Many Cousins in the Chicago Area
Vol 21, Iss 11, Page 4, Date 1950
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Crimson-Snow Mystery of Tomato Juice Creek
Vol 21, Iss 11, Page 5, Date 1950
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Mummies, Sandals, Snares From Mogollons' Cave
Vol 21, Iss 11, Page 6, Date 1950
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A Monument of Research
Vol 21, Iss 12, Page 2, Date 1950
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Explorers Come Back From 'Another World' in Borneo
Vol 21, Iss 12, Page 3, Date 1950
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Head-Hunters in Fight Against Terrorists
Vol 21, Iss 12, Page 4, Date 1950
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Hovey Museum Fossils Received Here
Vol 21, Iss 12, Page 8, Date 1950
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Expedition to Marianas Completes Work
Vol 21, Iss 12, Page 8, Date 1950
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Old Iron' for Treasured Furs: Indian Trade in 1700's
Vol 21, Iss 12, Page 9, Date 1950
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Comments of Darwin on Use of Words
Vol 21, Iss 12, Page 11, Date 1950
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Caveman Scandal' Bared by Layman Lecturer
Vol 21, Iss 12, Page 11, Date 1950