22 Spong. 
XVII. SPONGLE. 
[ 1904 ] 
Family Polymastidje. 
Polymastia corticata R. & D., redescribed: Topsent (50) pp. 119, 120. — 
P. mamillaris: Mar. Biol. Ass. (34). — P. mceandria , n. sp., diag- 
nosed and described: Wilson (60) pp. 115-117. 
Rhaphidorus , definition of genus, p. 120; K setosus T., redescribed, 
pp. 120-122: Topsent (50). 
Thecophora semisuberites : Schepotieff (42) p. 3. 
Tylexocladus , definition of genus, p. 122; T. joubini T., redescribed, 
pp. 122, 123: Topsent (50). 
Family Spirastrellidas. 
Hymedesmia unistellata T., n. var. aspera , redescribed, pp. 112, 113; 
11. chondrilloides T., redescribed, pp. 113, 114; 11. stelligera C., 
redescribed, p. 114: Topsent (50). 
Latrunculia biannulata T., redescribed, p. 115; L. insignis T., redescribed, 
pp. 115-117: Topsent (50). 
Sceptrintus , definition of genus, p. 117; S. richardi T., redescribed, 
pp. 117-119: Topsent (50). 
Family SuBERlTlDiE. . 
Ficulia [. Ficulina X\ ficus contains eggs of Sepia: Gruvel (15). 
Suberites laticeps , n. sp., described, pp. 124, 125 ; S. gibbosiceps , n. sp., 
described, pp. 125, 126: Topsent (50); S. domuncula: Mar. Biol. 
Ass. (34). — S. domuncula , spongosterin obtained from : Henze (16). — 
S. prototipus, S. domuncula : Sowinsky (46) p. 289. 
Rhizaxinella biseta , n. sp., described, pp. 126, 127 ; R. uniseta, n. sp., 
described, pp. 127, 128: Topsent (50). 
(b) Order HALICHONDRINA. 
Family Haplosclerid^e. 
Amorphina caspia , A. protochalina , A. dubia y A. grossa: Sowinsky (46) 
pp. 173, 289. 
Cacochalina digitata , G. irregularis : Sowinsky (46) p. 289. 
t Ceraochalina reteplax tenuis , n. var., described, 0. nuda var. oxyus L., 
redescribed : Thom (49) pp. 15-17. 
Chalmidce , nutrition in : Cotte (6). 
Chalina oculuta : Mail Biol. Ass. (34). 
t Chalinissa elongata L., redescribed, p. 13 ; G. communis tenuis , n. var., 
described, p. 14: Thum (49). 
iGhalinopora typica y var, tenuispina L., redescribed: Thum (49) p. 11. 
t Gladochalina euplax L., redescribed: Thum (49) pp. 11, 12. 
Gladocroce spathiformis , n. sp., described: Topsent (50) pp. 242, 243. 
+j Euchalina exigua , var. arborea L., redescribed : Thum (49) pp. 20, 21. 
Gelliodes bifacialis , n. sp., described, pp. 229, 230; G., sp., described, 
pp. 230, 231 : Topsent (50). 
Gellius angidatus (Bowerbank) R. and D., redescribed, p. 231 ; G.fibulatus 
(Schmidt) S., redescribed, p. 231 ; G. fiagellifer R. and D., redescribed : 
Topsent (50) pp. 231, 232. — G. perforatus, n. sp., diagnosed and 
described, pp. 130, 134 : Wilson (60). 
Halichondria fibrosa (Fristedt) L., redescribed, p. 247; 11. leuconoides T., 
redescribed, pp. 247-249 : Topsent (50).— H. panicea : Mar. Biol. 
Ass. (34). — H. panicea y bionomics : Cuenot (7). 
