136 



Cockerell T. D. C. 



Cockerell T. D. A. & Callaway Otis 



Cockerell T. D. €. Some Anthidiine Boes XIX 



97. 

 Some Additional Bees from Prussian Amber 



XIX 97. 

 Some European Fossil Bees XIX 98. 

 Two FossU Bees XIX 98. 

 Some European Bees XIX 98. 

 Two New Bees XIX 98. 

 Descr. and Kecords of Bees XIX 98, 99. 



XXII 228. XX a90(bis). 

 Descr. Bees in U. S. Ivat. Mus. XIX 98. 

 Kew Xorth American Bees XIX Ö8. 

 Uotes on Bees XIX 98. 

 Some New Bees and other Notes XIX 99. 

 New American Bees XIX 99. 

 Three New Anthophorid Bees from Texas 



XIX 99. 

 Some new Bees of the genus Coelioxys XIX 



101. 

 Habropoda tumeri n. XIX 101. 

 Megachile eckuivella n. Afrika XIX 101. 

 Notes upon Variation of Melissodes lupina 



XIX 101. 345. 

 Perdita visiting Baleya in Nord Mexico XIX 



102. 

 A Fossil Gar-Pike from Utah XIX 122. 

 The Cyprinid Subfamily Chondrostominae 



XIX 130. 



The Nomenclature of the American Fishes 

 usually called Leuciscus and Rutilus XIX 

 130. 



The Scales of the Cobitid and Homalopterid 

 Fishes XIX 130, 438. 



On the Validity of the North American Cypri- 

 nid Genus Notemigonus XIX 133. 



A Fossil Ground-Sloth in Colorado XIX 231. 



A Suggestion as to the Care of Types XIX 314. 



Veronicella nilotica n. Nil XX 99. 



Fossil Insects and Crust. Florissant XX 139. 



Eriophyes rhoinus n. XX 165. 



Some Insects of Baltic Amber XX 185. 



Some Insects collected in Northwestern Colo- 

 rado XX 188. 



Some Insects from Steamboat Springs XX 

 188. 



Aleyrodes ambrosiae n. Ambrosia XX 212, 



Aleyrodes ursorum n. XX 212. 



CeropLastes lahilla n. Argentinien XX 216. 



The Coccidae of Boulder County XX 216. 



Pachypsylla rohweri n. on Eackbcrry XX 217. 



Pseudococcus missionum n. South America 



XX 218. 



Note Plateros coccinicollis XX 266. 



The Classification of the Weloidae XX 267. 



The Modification of Mendelian Inheritance by 

 External Conditions XX 27 7. XXI 158. 



Trichobius corynorhini n. Bats XX 307. 



Notes Heliothid Moths XX 337. 



Ceramidia musicola n. XX 350. 



Ponera opaciceps in Colorado XX 385. 



The FossU Crabronidae XX 386. 



A Link in the Evolution of the Bees XX 389. 



New and little known Bees XX 389. 



Some Bees from High Altitudes in the Hima- 

 laya Mountains XX 389. 



The Bee fauna of Calgary XX 390. 



New and little known Western Bees XX 390. 



Some New American Bees XX 391. 



New American Bees XX 391. 



Some Bees from Ecuador XX 391. 



Some Australian Bees in the Berlin Museum 

 XX 391. 



Some Bees from Eldora XX 391. 



Some Neotropical Bees XX 391. 



Some very small Austral. Bees XX 392. 



Some Afric. Bees Anthophora XX 392. 



Augochlora from the West Indies XX 393. 



Crocisa from Asia and Australia XX 394. 



Nomada from Washington State XX 394. 



North American Nomia XX 395. 



New Osmia from California XX 396. 



Cockerell T. D. C, Reptiles and Amphibians of 

 the University of Colorado Expedition of 

 1909 XX 410. 



The Scales of the Mormyrid Fishes with re- 

 marks on Albula EIojis XX 4:^7. X,\I 335. 



On the scales of some malacopterygien Fishes 

 XX 427. 



The Scales of the African Characinid Fishes 



XX 430. 



The Scales of the Clupeid Fishes XX 430. 



The Scales of the African Cyprinid Fishes, 

 with a Discussion of related Asiatic and 

 European Species XX 431. 



The Scales of the Atheriuid Fishes XX 442. 



The Ophidian Genus GrayiaXX467. XXI217. 



The Future of the Human Race XXI l.'iS. 



The Scales of the Mormyrid Fishes, v.ith re- 

 marks on Albula and Elops XXI 335. 



On the Scales of some Malacoptervgian Fishc& 



XXI 335. 



The Scales of the African Characinid Fislic» 



XXI 335. 

 The Scales of the Clupeid Fishes XXI 335. 

 The Scales of the African Cyprinid Fislie?, 



with a Discussion of related Asiatic and 



European Species XXI 335. 

 The Scales of the European Cyprinid Fishes 



XXI 335. 

 The Scales of the Atherinid Fishes XXI 335. 

 The Fauna of Boidder County, Colorado XXI 



388. 

 The Nomenclature of the Hydromedusae 



XXI 424. 



Land Mollusca at Tolland, Colorado XXI 45G. 



The Name Glossina XXI 465. 



Some Suggested Rules of Govern Entomol. 

 Publications XXII 55. 



Fossil Insects from Florissant XXII 62. 



Some Insects from Steamboat Springs XXII 

 65. 



Aleyrodes on Euphorbia and its Parasite XXII 

 84. 215. 



Pseudococcus ledi n. on Ledum XXII 88. 



Fossil Hj'menoptera from Florissant XXII 

 206. 



Syntomaspis warreni n. Oak Gall XXII 216. 



Psenulus townsendi n. Peru XXII 220. 



Bees in the Collection of the U. S. Nat. Mu- 

 seum XXII 228. 



Some Bees from Formosa XXII 229. 



Bees from the Himalaya Mountains XXII 229. 



Some Bees from Western Canada XXII 229. 



New and little known Bees XXII 229. 



Records of Bees XXII 229. 



Some New Bees from Flowers of Cactaceae 



XXII 230. 



Eeterapis n. g. Austral. Bees XXII 230. 

 The Bees of the Solomon Island XXII 230. 

 Some asiatic Anthophora XXII 230. 

 The Humble Bees of Formosa XXII 231. 

 Names Nomada found in North America 



XXII 232. 

 List of Bees Perdita XXII 232. 

 Osmia felti n. New York State XXII 232. 

 The Scales of the Dipnoan Fishes XXII 257. 

 Some Notes on Fish Scales XXII 259. 

 The Scales of the Fresliwater Fishes XXII 



264. 

 The Scales of the Albulid Fishes XXII 265. 

 The Scales of Some asiatic Cyprinid Fishes 



XXII 268. 

 Note on the Scales of the Osteoglossid Fishes 



XXII 275. 

 The Word Genotype XXII 445. 

 B. Needham J. G. XIX 315. 

 8. Pilsbry & Ferriß XX 76. 

 Cockerell T. D. A. & Allison Edith M. The Scales 



of Some American Cyprinidae XIX 1 "O, 433. 

 Cockerell T. D. A. & Callaway Otis Notes on the 



Scales of I'ishea. The Herbivorous Cv-pri- 



nidae XIX 130, 418. 



