SPONGIIDA. 
507 
IV. CERAOSPONGIiE. 
Stelospongos (g. n.) (p. 29), Antilles ; species not named. 
V. Chalinb^. 
Psettdochalina, (g. n.) (p. 82), locality unknown ; species not named. 
Cacochalina suhtilis (p. 33), Florida; C. ruhiginosa (p. 33), Antilles. 
Siphonochalina densa (p.34), = -Rewterrt grayi, Bocage (?), Portugal, Florida; 
S. mollis (p. 34), Florida. 
Sclerochalina cyathus (p. 35), Antilles. 
Hhizochalina (g. n.) ohracca (p. 36), Antilles ; J2. carotta (p. 36), liab. — ? 
Crih'ochalina (g, n.) infnndibidum (p. 2>Q>)y^Spongia hagencnsis and bar- 
iholomoii^ Duch. h Mich. (?), Antilles ; C. cretacea (p. 36), Florida. 
Chalinula ovuhim (p. 38), Greenland. 
VI. Renierin^. 
JReniera ascidia and R. hebes (p. 40), Florida; R.fortior (p. 40), Antilles ; 
R. pons (p. 40), Denmark. 
Amorphina genctrix (p. 41), Greenland ; A. terebrans (p. 41), St. Thomas ; 
A, solidior (p. 41), Florida, Tortugas; A. iurritella (p. 41), Florida. 
Pellina (g. n.) (p. 41) — Rcniera semituhulosa, Sdt. ; P. bibula (p. 42), 
Oattegat ; P. profmiditatis (p. 42), Florida. 
Eiimastia (g. n.) sitiens (p. 42), Greenland. 
FolioUna (g. n.) peltata (p. 42), Florida. 
Schmidtia aulopora (p. 4,^'),— Thahjsias suhtriangularis, Duch. & Mich., 
West-India Islands, Florida ; S. muta (p. 44), Florida. 
Plicatella (g. n.) aidopora (p. 46), Florida. 
Auletta (g. n.) sycinularia (p. 45), Florida. 
VII. SUBERITIDJE. 
Suberites Jieros (p. 46), Antilles; S. tuberculosus (p. 46), Florida; 8. lohiceps 
(p. 47), Florida; S. luetkeni (p. 47), Denmark, Greenland ; S. arciger (p. 47), 
Greenland, Proven. 
Papillina crihrosa and P. arenosa (p. 48), Florida. 
Radiella (g. n.) sol (p. 48), Cuba ; R. spimdaria (Bbk.). 
Cometella (g. n.) gracilior (p. 49), Florida; C. stellata (p. 49), Cuba. 
{Hyalonema borealis, Lov^n, is probably a Cometella, its resemblance to Hya~ 
lonema being merely superficial, ib. p. 49.) 
Thecophora (g. n.) semisuberites (p. 60), Greenland. 
Rinalda (g. n.) uberrima (p. 51), Iceland. 
Tethya repens (p. 61), Florida ; T. diploderma (p. 52), Antilles. 
VIII. DESMACIDINiE. 
Dcsmacella (g. n.) pumilis (p. 53), D. vagabunda (p. 63), Florida. 
Desmacodes (g. n.) subereus (p. 64), Portugal. 
Desmacidon titubans, D. griseum, and Z>. diance, Florida; D. tunicatum 
(p. 66), Florida and Portugal. 
Tenacia (g. n.) clathrata (p. 66), Antilles, Florida. 
Cribrella hosjjitalis (p. 66^ Florida ; C. papillosa (p. 67), Florida, Tortugas. 
Esperia diaphana, E. renieroides, and E. immitis (p. 67), Florida. 
Sceptrella (g. n.) regalis (p. 68), Florida. 
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