522 



Coeloceras pettos, 32. 

 Ccelophyllum, 263. 



simplex, 263. 

 Coelopterna Stallii, 277. 

 Ccenonyrnpha G-alactina, 87. 

 Colaptes auratus, 63, 443. 



inexicanus, 63, 341, 344, 363. 

 Coleoptera, Randall's species of, 373. 

 Colias Eurytheme, 90. 



Philodice, 89. 

 Collomia linearis, 80. 

 Collurio borealis, 440. 



excubitoroides, 54, 340, 346, 349, 



353,451. 

 ludoviciarms, 54, 340, 346, 349, 

 353, 441. 

 Columba f asciata, 364. 

 Columbus arcticus, 454. 



septentrionalis, 450. 

 torquatus, 450. 

 Comandra pallida, 83. 

 Conoceplialus inf meatus, 265. 

 Continents, phenomena of the elevation 



and subsidence of, 287. 

 Contopus borealis, 344, 443. 



Richardsoni, 62, 341, 347, 350, 



361. 

 virens,62,341, 347,350, 361, 443. 

 Copipanolis vernalis, 133. 

 Coreopsis tinctoria, 78. 

 Comops, 276. 



bivittatum, 276. 

 Cornus stolonifera, 76. 

 Corvus americanus, 61, 360. 442. 

 carnivorus, 354, 442. 

 caurinus, 360. 

 corax, 61, 346, 350. 

 ossifragus, 452. 

 Corydalis armata, 286. 

 Coturnicops noveboracensis, 447. 

 Coturniculus Henslowi, 441. 



passerinus, 57, 340, 346, 349, 



441. 

 perpallidus, 57, 340, 346, 

 349. 

 Cotyle riparia, 54, 440. 

 serripennis, 54. 

 Crataegus coccinea, 75. 

 Cucullea Harttii, 248. 



subcentralis, 249. 

 Cucullia asteroides, 211. 

 Cupidonia cupido, 445. 

 Custodian's Askual Report, 1. 

 Cyanospiza amoena, 59, 340, 346, 350. 



cyanea, 442. 

 Cyamera cristata, 442. 

 Cyanurus Stellerii, 3G0. 

 Cycloceras JEgxon, 31* 



Masseanum, 31. 

 natrix, 30. 

 tripunctatum, 30. 

 Cygnus americanus, 447. 

 Cymochorea leucorrhoa, 450. 

 Cynomys ludovicianus, 43. 

 Cynthia carnea, 130. 



Dactylioceras annulatum, 33. 



commune, 32. 

 Dafila acuta, 447. 



Dakotah, notes on the natural history of, 



33. 

 Dana, Dr. J. D. On Metamorphism 

 and Pseudomorphism, with reference 

 to^statements by Dr. T. Sterry Hunt, 

 167. 

 Demas diver sicolor, 132. 

 Dendroeca asstiva, 52, 339, 346, 357, 439. 



Audubonii, 343, 357. 



castanea, 439. 



coerulea, 451. 



coerulescens, 439. 



coronata, 439. 



discolor, 440. 



maculosa, 439. 



nigrescens, 357. 



palmarum, 440. 



pennsylvanica, 439. 



pinus,*440. 



striata, 439. 



virens, 439. 

 Dendrospongia, 204. 



ci-assa, 204. 

 Deroceras alternum, 28, 29. 



armatum, 28, 29. 



confusum, 24, 26. 



Davoei, 28, 29. 



densinodum, 24, 26, 28. 



Dudressieri, 24, 25, 28. 



lobbergense, 24. 



muticum, 28, 29. 



nodogigas, 28, 30. 



planicostum, 24, 26. 



zipbius, 24, 25. 



ziphoides, 24, 26. 



zitteli, 28. 

 Dianthoecia modesta, 144. 

 Diatoms, 182. 

 Dipodomys Ordii, 42. 

 Dircaea decolorata, 381. 

 Dodge, W. "W. Notes on the Geology 



of Eastern Massacbusetts, 388. 

 Dolichonyx oryzivorus, 59, 346, 442. 

 Doradoids, fin "structure, 386. 

 Drasteria erecthea, 212. 

 Dysdercus ruficeps, 284. 

 Dysodia chrysanthemoides, 78. 



Echinacea angustifolia, 77. 

 Echinocystis lobata, 76. 

 Echinospermum Redowski, 80. 

 Ectopistes migratorius, 445. 

 Elaeochlora Brunneri, 270. 

 Elater aeneicollis, 376. 



aerarius, 376. 



anchorago, 376. 



basalis. 376, 380. 



filius, 376, 379. 



graciliformis, 376. 



honestus, 376. 



macilentus, 376, 380. 



subrufa, 376. 

 Elymus condensatus, 85. 

 Empidonax acadicus, 452. 



flaviventris, 443. 

 minimus, 62, 443. 

 pusillus, 347, 361. 

 Traillii, 347, 443. 

 Encoptolophus, 478. 



