LIST OF FIGURES. 189 



FIGURE VOL. II. PAGE 



316. Waldheimia fioridana, interior of valve, \ 76 



317. Terebratulina Cailleti, f (Davidson) 77 



318. Terebratula caput-serpentis, one valve removed, showing arms, ka& t 



(Davidson) ........... 77 



319. Platydia anomioides, | (Davidson) 77 



320. Platydia anomioides, one valve removed, showing arms, ^ (Davidson) . 77 



321. Crania Pourtalesii, a^ (Dall) .77 



322. Discina atlantiea, f (Verrill) 77 



Bryozoa. 



323. Crisia denticulata, f 78 



323 a. Crisia denticulata, magnified (Smitt) ....... 78 



324. Diastopora repens, \ . .78 



324 a. Diastopora repens, magnified (Smitt) ....... 78 



325. Farciminaria delicatissima, \ (Busk) ....... 78 



325 a. Farciminaria delicatissima, magnified (Busk) 78 



326. Membranipora canariensis, l ^ ........ 79 



327. Celmlaria cervicornis, f 79 



327 a. Cellularia cervicornis, magnified (Smitt) 79 



328. Caberea retiformis, magnified (Smitt) 80 



329. Vincularia abyssicola, ^ .......... 80 



330. Escharipora stellata, f 80 



330 a. Escharipora stellata, magnified (Smitt) 80 



331. Tessadroma boreale, f 81 



331 a. Tessadroma boreale, magnified (Smitt) ...... 81 



332. Hippothoa biaperta, i 81 



332 a. Hippothoa biaperta, greatly magnified (Smitt) 81 



333. Cellepora margaritacea, f 82 



333 a. Cellepora margaritacea, magnified (Smitt) 82 



334. Biflustra macrodon, f 82 



335. Porina subsulcata, f 82 



336. Retepora reticulata, l 82 



337. Heteropora, | . 



XIX. CHARACTERISTIC DEEP-SEA TYPES. ECHINODERMS. (Figs. 338-421 a.) 



Holothurians. 



338. Psolus tuberculosus, f (Thdel) 85 



339. Echinocucumis typica, f (Th^el) 85 



340. Stichopus natans, (Koren & Danielssen) 85 



341. Trochostoma arcticum, f (Koren & Danielssen) 86 



342. Psychropotes longicauda, \ (TheSel) 86 



343. Deima Blakei, f (Thdel) 86 



344. Benthodytes gigantea, f (U. S. F. C.) 



345. Euphronides coruuta, f- (U. S. F. C.) 



346. P^lopatides confundens, f (Thee!) , 



347. Ankyroderma affine, | (Koren & Danielssen) 88 



Sea-Urchins. 



348. Dorocidaris papillata, | . 



349. Dorocidaris Blakei, f 



350. Porocidaris Sharreri, ^ 91 



