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The Rhagovelia of the western hemisphere, with notes on world distribution (Hemiptera, Veliidae)
Vol 20, Iss 1, Page 5
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The genus Rheumatobates and notes on the male genitalia of some Gerridae (Hemiptera, Gerridae)
Vol 20, Iss 2, Page 63
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Anaphylaxis: XIII. Studies on Mechanism of the Reaction
Vol 20, Iss 3, Page 101
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Anaphylaxis: XV. A Theory as to Its Mechanism
Vol 20, Iss 4, Page 103
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On a Seed-bearing Annularia and on Annularia Foliage
Vol 20, Iss 5, Page 115
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On the Synthesis of Certain Thioureas, Thiazolidines and Thiazanes
Vol 20, Iss 6, Page 161
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On Some Derivatives of Amino and Hydroxy-Biphenyl
Vol 20, Iss 7, Page 173
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The Effect of Temperature on the Natural Ionization of Gases in an Iron Chamber
Vol 20, Iss 8, Page 183
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Postnatal Growth Changes in the Single Comb White Leghorn Chicken
Vol 20, Iss 9, Page 199
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The Irritability of the Vagus Nerves of Dogs, as Shown by the Rheobase and Chronaxie, in Some Types of Tetany; and Their Relief by Calcium Salts
Vol 20, Iss 10, Page 207
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Leptodactylus albilabris (Gunther): a species of toad new to the fauna of the United States
Vol 20, Iss 11, Page 243
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The toad Bufo marinus (Linnaeus) in Texas
Vol 20, Iss 12, Page 247
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Eumeces inexpectatus: a new American lizard of the family Scincidae
Vol 20, Iss 13, Page 251
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Eumeces laticeps: A neglected species of skink
Vol 20, Iss 14, Page 263
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A comparative study of the skull in the genus Eumeces of the family Scincidae
Vol 20, Iss 15, Page 273
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A Monograph of the Genus Metrobates (Hemiptera, Gerridae)
Vol 20, Iss 16, Page 297
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A new Stegocephalian from the Pennsylvanian of Arkansas
Vol 20, Iss 17, Page 313
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Variation in Palœosyops
Vol 20, Iss 18, Page 319
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Concerning a Fossil Water Bug from the Florissant (Nepidae)
Vol 20, Iss 19, Page 327
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Grasses and Other Plants from the Tertiary Rocks of Kansas and Colorado
Vol 20, Iss 20, Page 333
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Pliocene Diatoms of Wallace County, Kansas
Vol 20, Iss 21, Page 369