COLOR-COPE 



GENERAL INDEX 



Color-blindness, i, 265. 



Colorado, geology of, 10, 463; 11, 



15, 212, 234, 431. 

 — , Wyoming and, 10, 463; 11, 



15, 431. 

 Columbium, observations on, 44, 151, 



177. 

 Columella and stapes in some North 



American turtles, 17, 335. 

 Colwell, Stephen, obituary notice of, 



12, 195- 



, -Isaac R. Davis, 6, 299. 



Colydiid?e of the United States, 17, 



555- 

 Comet, Biela"s, 4, 235, 241. 



— Bremiker's, 4, 86. 



— Encke's 2, 90, 160, 182, 186, 201. 



— Galle's, I, 216, 275, 301. 

 — , — second, i, 275. 



— Halley's, spectroscopic proof of the 

 repulsion by the sun of gaseous 

 molecules in the tail of, 50, 254. 



— Mauvais', 4, 67. 



— of 1840, 2, 75. 



— of 1843, 2, 267, 270, 2-J2, 275; 3, 67, 

 •152. 



=-^ of 1866, and the meteors of No- 

 vember 14, 22, 424. 

 Comets and meteors, 11, 215. 



— polarized light of, 6, i},;},. 



— -tails of, constitution and mode of 

 formation of, 3, 108. 



Compass, convenient device to be ap- 

 plied to hand, 22, 216. 



Comstock. Daniel F., modern theory 

 of electricity and matter, 50, 321. 



Concept, straight line, 44, 82. 



Concretion in horse's stomach, 4, 230. 



Condenser, electrometric measure- 

 ment of the voltaic potential differ- 

 ence, between the two conductors 

 of a, containing a highly ionized 

 medium, 48, 189. 



Conducting power of bodies for heat, 

 instrument to determine, 3, 132. 



Congo Independent State, account of, 

 26, 459. 



Conklin, Edwin G., emliryology of a 



Brachiopod, Terebratulina septen- 



trionalis Couthony, 41, 41. 

 — — -factors of organic evolution 



from the embryological standpoint, 



35, 78. 

 obituary notice of William Keith 



Brooks, 47, i. 

 world's debt to Darwin, 48, 



xxxviii. 

 Cooper, J. G., land shells of the 



Pacific slope, 18, 282. 

 Coordinations, dynamic, 14, 651. 

 Cope, Edward D., Adocidse, 11, 547; 



17, 82. 



Adocus, II, 295. 



■ Amphiumidae, structure and 



affinities of the, 23, 442. 



Archsesthetism, 20, 232. 



Artiodactyla. classification of 



phylogeny of the, 24, t,'j~ . 

 , — structure of feet in extinct, 



22, 2.1. 

 — • — - Astaci from fresh water ter- 

 tiary of Idaho, II, 605. 

 — • — • Asteracanthus, 11, 440. 

 Australian and Maori skulls, 



II, 446. 

 — - — • Balsenoptera Cope, 12, 108. 



Bathmodon, 12, 417. 



batrachia, living, from Peru, 



16, 666. 

 , — of the Ohio Coal Measures, 



16, 573; 22, 405. 

 ■, — and reptilia oljtained in ■Nlato 



Grosso, Brazil, 24, 44. 

 , — - — contained in a collection 



made at Pebas, Upper Amazon, 



23» 94- 



, — — of Costa Rica, 31, ZZZ- 



, of Texas Permian, 17, 



505- 



batrachian fauna of the Linton 



(O.) Carboniferous, 12, 177. 



— ■ — - Big Horn region, geological ex- 

 ploration of, 19, 650. 



• Bottosaurus, 11, ^(yj. 



18 



