591 
Conn, Herbert W. Coleopterous larvae 
and their relations to adults, 42. 
Conocephalites, 64. 
teucer, 359. 
Conocoryphe, 60. 
Conopsoides curtus, 119. 
larvalis, 119. 
Contortionists, joints and muscles of, 355. 
Conularia niagarensis, 286. 
Copeza cruscularis, 119. 
propinquata, 119. 
punctata, 119. 
triremis, 119. 
Copidryas, 513. 
Corizus, 577. 
Cornulites clintoni, 274, 347. 
distans, 274. 
llexuosus, 274. 
proprius, 275, 347. 
serpnlariu.s, 274. 
Cornus stolonifera, 185. 
Coroniceras bucklandi, 19. 
Corvipes lacertoideus, 118, 
Crambus tristellus, 507. 
Crataegus, 190. 
Cresson, Hilborne T. Early man in the 
Delaware valley, with figs., 141, 469; 
remarks upon a chipped implement 
found in modified drift on the east 
fork of the White River, Jackson 
Co., Ind., with figs., 150. 
Crioceras, 506. 
Cronartium asclepiadeum, 190. 
Crosby, W. O. Bowlder clay in the vi- 
cinity of Boston, 466. 
Crotalus, 173. 
durissus, 178. 
Cunicularius retrahens, 119. 
Cyathophyllum, 341. 
celator, 339, 351. 
facetus, 341. 
Cyclocardia borealis, 131. 
Cyclonema bilix, 290, 351. 
Cymbites, 19. 
Cymopterus bipinnatus, 187. 
Cyphaspis clintoni, 272. 
Cyprinus carpio, 168. 
Cyrtoceras? subcompressum, 276. 
Cyrtolites youngi. 289. 
Cystopus bliti, 184. 
Dalmania punctata, 505. 
Dalmanites limulurus, 348. 
Darmistus, 578. 
Dasylophia, 559. 
anguina, life-history of, illus., 
529. 
Dasyurus, 475. 
Datana, 558. 
integerrima, 502; life-history of, 
518. 
major, 496. 
ministra, 520. 
Davis, W. M., and Wood, J. W., jr. The 
geographic development of northern 
New Jersey, with figs., 365. 
Deaths of members. 3s, 199. 
Defence, method of, among Medusae, 200. 
Deiphon forbesii, 505. 
Delaware valley, early man in, 141. 
Denton’s models of animals, 45. 
Diaplegma, 567. 
Dieymbia, 205. 
Diloba caeruleocephala, 497. 
Diphyphyllum caespitosum, 343. 
rugosum, 343. 
Donacia, 468. 
Dorocidaris blakei, 111. 
Drepana arcuata, dimorphism of, 482; life- 
history of, 492. 
genicula, 492. 
hamula, 484. 
sicula, 483. 
siculifer, 493. 
Drumlins, structure of, 228. 
Drymonia, 559. 
Dryocampa rubicunda, 514. 
Dryopteris irrorata, 493. 
marginata, 493. 
rosea, dimorphism of, 482. 
Dwight, Thomas. Joints and muscles of 
contortionists, 355. 
Dythyrocaris, 213. 
Eacles imperialis, 514, 546. 
Ebenezeria, 74. 
Echinarachnius, 97. 
Eetopleura, 202. 
Edema, 559. 
albicosta, 527. 
albifrons, 502, 526. 
packardii, 527. 
Elaphrus, 468. 
Eleocharis, 186. 
Ellida, 559. 
Elliptocephalus, 73. 
asaphoides, 73. 
Elymus canadensis, 189. 
Empretia, 491. 
stimulea, 514. 
Encrinurus ornatus, 272. 
punctatus, 269, 347. 
thresheri, 269. 
Ensatella americana, 133. 
Entomology, 42, 482, 494. 
Entyloma compositarum, 191. 
menispermi. 191. 
physalidis, 191. 
Epargyreus tityrus, 495. 
Ephyra, 115, 492. 
Epilobium angustifolium, 190. 
coloratum, 190. 
paniculatum, 187. 
Erechtites hieracifolia, 184. 
Erigeron philadelphicum, 191. 
Eriogonum, 186. 
Eryon propinquus, 211. 
Erysiphe cichoracearum, 184. 
communis, 184. 
galeopsidis, 185. 
linkii, 184. 
Etoblattina balteata, 46. 
fasciata, 47. 
hustoni, 53. 
marginata, 48. 
stipata, 50. 
strigosa, 52. 
tenuis , 46. 
variegata, 51. 
Euclea, 491. 
Eudryas, 513. 
Euomphalus sinuatus, 292. 
Euphorbia marginata, 186. 
sp., 186. 190. ' 
Eurycare brevicauda, 505. 
Euscirrhopterus gloveri, 497. 
Evolution, lessons in the theory of diver- 
gent, drawn from the distribution 
of land shells, 167. 
Evolution of the bristles, spines, and tub- 
ercles of caterpillars, 494. 
Evolution of the faunas of the lower Lias, 
1 H 7 
