638 



Index. 



Discina, 221. 



Discoplea atmospherica, 350. 



Kiitzingii, 331, 346. 



Ditylum, 332. 



iiifflquale, 332, 346. 



trigouum, 332, 346. 



Ecliinodermata, 221. 

 Ectobia, 418. 



flavocincta, 419. 



germanica, 418. 



lithophila, 418. 



Ectophthalma, 154, 190. 



Edmotidia, 221. 



Eleacriims, 482. 



Eleutherucarpida;, 536, 551. 



Ellobiiii.T, 154, 171. 



Ellobium Barbadense, 163. 



Embryology of Autolytus cornutus, 



384." 

 Ephippigera maculata, 434. 

 Ephithemia, 347, 350. 

 Equisetum robustum, 513. 

 Eucrate, 588. 



crassimanus, 688. 



crenatus, 588. 



Eumelus lividus, 32. 



nebulosus, 32. 



Eunotia anisodon, 336, 346. 



dizyga, 337, 346. 



Euoinphalus, 221. 



latus, 219. 



obtusus, 219. 



Eupodiscus, 334, 346. 



crassus, 347. 



radiatus, 344, 346, 352. 



Fauna, Insect, of the White Mountains, 



612. 

 Favosites, 222. 

 Fenestella, 222. 

 Ficus cuneatiis, 524. 



sp. 507. 



Fishes, Devonian and Carboniferous, 



222. 

 Forbesiocrinus, 221, 497. 



asteriicformis, 320. 



juvenis, 319. 



spinifer, 318. 



Thieinei, 317. 



Forficularise, 415. 



Fossil Plants, Descriptions of. 506. 



Frngillaria in bands, 349. 



constricta, 337, 346. 



undata, 337. 



Giisteropoda, 221, 222. 



Gay Head, Fossil Crab of, 583; Geo- 



iogicnl Ape of, 589. 

 Geolo);v of Burlington, Iowa, 209. 

 Geophila, 154. 

 Glandina, 26, 139. 

 Albersi, 26. 



Glandina bullata, 138, 139. 



corneola, 139. 



parallela, 140. 



Texasiann, 139, 140. 



truncata, 137, 139, 140, 141. 



turris, 26. 



Vanuxemensis, 139, 141. 



Globigerina, 347. 

 Globigerina;, 349. 



(jl yptostrobus Eiivopceus, 509, 517. 

 Gomphocerus infuscatus, 461. 

 Gomphonema minutissima, 350. 



sphairosphorum, 344, 346. 



Goniatites, 221. 



Gorgo[)is purascens, 598- 

 Grammatophora, 346, 349. 

 Grapta Comma, 620. 



Faiinus, 620. 



Gry Hides, 424. 

 Gryllotalpa, 426. 



americana, 426. 



borealis, 426. 



brevipennis, 426. 



Gryllus, 427. 



abbreviatus, 427. 



ajqualis, 470. 



americanus, 466. 



angustus, 427. 



bipunctatus, 432. 



bivittatus, 466. 



carolinus, 408. 



fasciatus, 430. 



hospes, 430. 



locusta niyrtifolius, 448. 



luctuosu?, 427. 



myrtifolius, 448. 



neglectus, 428. 



niRe'') 428. 



niveu<, 431. 



oblong! fohus, 445. 



obscurus, 467. 



pennsylvanicus, 429. 



rusticus, 466. 



suiphureus, 470. 



tartaricus, 466. 



tuberculatus, 469. 



Grymaia, 332. 



Gyroceras, 221. 



— Burlingtonensis, 219, 233. 



ITadenoecus, 439. 



subterraneus, 440. 



Hallclystus, 536, 559. 



^^ auricula, 533, 559. 



octoradiatus, 665. 



salpinx, 563. 



Halimocyathus, 536. 



'- auricula, 531, 535. 



platypus, 531, 637. 



Hall, .lames. New Species of Carbonif- 

 erous Crinoidea from the Mississippi 

 Valley, 261. 



