SYSTEMATIC. 
Spong. 37 
Sub-family Dendorycina;. 
Tedania Gray, diagnosed, T. digitata (0. S.), described ; Wilson (71) 
pp. 395 & 396. 
Sub-family Ectyonina:. 
Agelas Dnch. et Mich., diagnosed; A. sclimidtii n. sp. from off St Thomas, 
Sail Rock, Porto Rico ; Wilson (71) pp. 398 & 399. 
Clathria 0. S. diagnosed ; C. clatlirata (0. S.), described ; Wilson (71) 
p. 397. C. frondosci for Antherochalina frondosa Lend.; Whitelegge 
(69) p. *288. C. jugosct n. sp. from Saint Antonio Bridge, San Juan, 
Porto Rico ; would fall in the genus Raphidopklus Ehlers if that 
genus were maintained ; Wilson (71) pp. 397 & 398. 
Aficrociona Bwk., diagnosed ; M. spinosa n. sp. from off St Thomas, Sail 
Rock, Porto Rico : Wilson (71) pp. 396 & 397. 
Plumokalichondria plumosa (Mont.); Kerville (26) p. 175. 
Family Axinellida:. 
Axinella 0, S., diagnosed ; A. reticulata R. & I)., described: Wilson (71) 
p. 400. 
Ciocalypta melichlora , n. sp., from Pulau Bidang, pp. 214 & 215, pi. xiv, 
fig. 1, pi. xv, fig. 8; C. rutila , n. sp., from Pulau Bidang, p. 215, 
pi. xiv, fig. 7 : Sollas (58). 
Hymeniacidon caruncula Bwk.; Kerville (26) p. 175. 
Phalcellia Bwk., diagnosed ; P. lobata, n. sp., from Porto Rico: Wilson 
(71) p. 399. 
Raspailia ramosa (Mont.); Kerville (26) p. 175. 
Sigmaxinella Dendy, this genus with the three spp. austrcdiana D., 
flabellata Crtr., and ciocalyptoides D., scarcely seems to differ from 
Desmacella (Esperellince) ; Lundbeck (38) p. 99. 
Thnnacophora R., diagnosed ; T. spinosa , n. sp., from Punta de Melones, 
Porto Rico ; Wilson (71) p. 400. 
(c) Incerta: Sedis. 
t Heteroraphidites spongiosus Schrm.; Schrammen (55) p. 3. 
(iii) KERATOSA. 
(a) DICTYOCERATINA. 
Family Spongidje. 
Cacospongia 0. S., diagnosed ; C. spongeliformis, n. sp., from Porto Rico : 
Wilson (71) p. 403. 
Chalinopsilla Lend., diagnosed; C. pilosa, n. sp., from off St. Thomas, 
Sail Rock, Porto Rico : Wilson (71) p. 401. 
Euspongia Bronn, diagnosed ; Wilson (71) p. 401. E. irregularis var. 
pertusa , occurrence ; Etheridge (14) p. 246. E. officinalis var. ro¬ 
tunda, described ; Sollas (58) p. 220: Wilson (71) p. 402. 
Hippospongia F. E. S., diagnosed ; H. intestinalis Lam., described: 
Wilson (71) pp. 402 & 403. 
