LIST OF FIGURES. 



189 



Figure Vol. II. taqr 



316. Waldheimia floridana, interior of valve, ^ ...... 7G 



317. Terebratiilina Cailleti, \ (Davidson) ....... 77 



318. Terebratula caput-serpentis, one valve removed, showing arms, ^\^ 



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



319. Platydia anomioides, | (Davidson) 77 



320. riatydia anomioides, one valve removed, showing arms, f (Davidson) . 77 



321. Crania Pourtalesii, '^-^^ (Dall) 77 



322. Discina atlantica, | (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, ^'^ ........ 79 



327. Cellularia cervicornis, | .......... 79 



327 a. Cellularia cervicornis, magnified (Smitt) ...... 79 



328. Caberea retiformis, magnified (Smitt) ....... 80 



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



330. Escharipora stellata, | .......... 80 



330 a. Escharipora stellata, magnified (Smitt) ...... 80 



331. Tessadroma boreale, | .......... 81 



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



332. Hippothoa biaperta, 1 .......... 81 



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



333. Cellepora margaritacea, | ......... 82 



333 a. Cellepora margaritacea, magnified (Smitt) ...... 82 



334. Biflustra macrodon, | .......... 82 



335. Porina subsulcata, f .82 



336. Retepora reticulata, ^ .......... 82 



337. Heteropora, | 83 



XIX. Characteristic Deep-Sea Types. — Echinoderms. (Figs. 338-421 a.) 



338. 

 339. 

 340. 

 341. 

 342. 

 343. 

 344. 

 345. 

 346. 

 347. 



Holothurians. 

 Psolus tnberculosus, | (Thdel) 

 Echinocucumis typica, | (Th^el) 

 Stichopus natans, J (Koren & Danielssen) 

 Trochostoma arcticum, | (Koren & Danielssen) 

 Psychropotes longicauda, \ (Theel) 

 Deima Blakei, | (Th(^el) .... 



Benthodytes gigantea, | (U. S. F. C.) . 

 Euphronides cornuta, -^ (U. S. F. C.) 

 Paelopatides confimdens, | (Thdel) 

 Ankyroderma affine, | (Koren & Danielssen) 



Sea- Urchins. 



Dorocidarls papillata, ^ 



348. 

 349. 

 350. Porocidaris Sharreri, | 



Dorocidaris Blakei, f 



85 

 85 

 85 

 86 

 86 

 86 

 87 

 87 

 88 

 88 



. 89 

 . 90 

 90,91 



