492 



Colias Chrysomelas, 169. 



Chrysotheme, 173. 



Edwards ii, 152. 



Emilia, 157. 



Eriphyle, 169. 



Harfordii, 165. 



Hecla, 176. 



interior, 159, 174. 



Keewaydin. 173. 



Laurentina, 166. 



Meadii, 175. 



Nastes, 176. 



occidentalis, 164. 



Palaeno, 170, 175. 



Philodice, 167, 174. 



Scut:deri, 161. 

 Colpoceras,266. 

 Colymbus septentrionalis, 405. 



torquntus, 405. 

 Conglomerate of Boston basin, 130. 

 Conilites, 272. 

 Conn, H. W., award of second Walker 



Prize for 1683 to, 363. 

 Connecticut Valley, trap ridges of, 116. 

 Continents and ocean basins, origin of, 



443. 

 Contopus borealis, 380. 

 Coral-reefs, the elevated, of Cuba, 124. 

 Corvus americanus, 379. 



corax-carnivorns, 378. 

 Cotyle riparia, 372. 

 Cowania mexicana, 360. 

 Cranuceras, 281. 



Crosby, W. O., Classification of joint 

 structures, 72; elevated coral-reefs 

 of Cuba, 124; on the chasm called 

 Purgatory in Sutton, Mass., 434; ori- 

 gin and relations of continents and 

 oaean-basii.s, 443. 

 Cryptoclymenia, 314. 

 Cuba, elevated coral-reefs of, 124. 

 Cyanocitta cristata, 379. 

 Cycloceras, 275. 

 Cycloclymerda, 314. 

 Cycloiobus 338. 

 Cymaclymenia, 314. 

 (Jymatucvras, 301. 

 Cymochorea leucorrboa, 402. 

 Cyrtocerina, 266. 

 Cyrloclymenia, 313. 



Dale, T. Nelson. Contribution to the 

 geology of Rhode Island, 179. 



Dawsonoceras, 276. 



Davis, Wm. M. Glacial erosion, 19; 

 structural value of trap ridges of the 

 Connecticut Valley, 116; on the 

 Helderberg limestones, 339. 



Deiroceras, 273. 



Dendroeca aestiva, 370. 

 maculosa, 371. 

 striata, 371. 

 vire:.s, 371. 



Diadiploceras, 268. 



Dimeroceras, 330. 



Dimorphoceras, 331 



Discitoceras, 292. 

 Discoclymenia, 314. 

 Dunyte-beds of N. Carolina, 141. 



Edaphoceras, 288. 



Empidonax flaviventris, 380. 



Enclimatoceras, 270. 



Endolobus, 288. 



Endoceras, 266. 



Eozoon canadense, 134. 



Ephippioceras, 290. 



Epidermal system of birds, 203. 



Eremuceras, 282. 



Erythrina herbacea, 360. 



Eudoceras, 287. 



Euphestia interpunctella, 490. 



Eairplay, Col., age of fossiliferous beds 



of, 149. 

 Fortieth Parallel Rocks, 109, 412. 

 Fossil insects west of the Mississippi, 58, 



149. 

 Fratercula arctica, 406. 



Carman, S. On Sioux "medicine," 95; 



remark on the disappearance of the 



ancient horses of America, 252. 

 Gastrioceras, 327. 

 Gtisonoceras, 275. 

 Geology, 19, 60, 72, 109, 116, 124. 130, 



141, 179, 201, 242, 339, 412, 434', 443, 



485, 490. 

 Geothlypis trichas, 371. 

 Gephuroceras, 316. 

 Glacial erosion. 19. 

 Glossoceras, 279. 

 Glyphioceras, 328. 

 Gomphoceras, 277. 

 Gonioceras, 288. 

 Gonioclymenia, 314. 

 Gi-ypoce?'as, 269. 



Guano caves of the Caicos Islands, 242. 

 Guettarda ambigua, 361. 

 Gulf of St. Lawrence, birds of, 364. 



Hagen, H. A. Papilio Machaon, its 

 varieties, 105; notes on the genus 

 Pieris, 134; on the genus Colias, 150. 



Halloceras, 284. 



Harelda glacialis, 389. 



Haynes, Henry W. Evidence of can- 

 nibalism among N. E. Indians, 60; 

 agricultural implements of New Eng- 

 land Indians, 437. 



Helderberg limestones, 339. 



Helminthophila peregrina, 370. 

 ruficapiila, 370. 



Heminautilinus, 310. 



Hercoceras, 283. 



Hercoglossa, 270. 



Hexameroctras, 278. 



Hinckley, Mary H. Development of 

 Rana sylvatica, 85. 



Histrionicus ro-'iutus, 389. 



Homoceras, 33\ 



Huronia, 273. 



