24 Spong, 
XVII. SPONGIiE. 
[1904] 
Sollasella hystrix T., redescribed : Topsent (50) pp. 142, 143. 
Syringella humilis T.,^ described, p. 138 ; >S'. falcifera T., redescribed, 
pp. 138, 139: Topsent (50), 
Tragosia infundihuliformis T. polypoides : Mar. Biol. Ass. (34). 
Family PCECILOSCLERIDiE. 
Acarnus tortilis T., redescribed : Topsent (50) p. 171. 
Artemisi7ia erecta^ n. sp., described : Topsent (50) pp. 214, 215. 
Biemma rosea (Fristedt) L., redescribed, pp. 226, 227 ; B. grimaldii T., 
redescribed, pp. 227, 228 : Topsent (50). 
Biiharis vermiculata (Bowerbank) G., redescribed, pp. 145, 146 ; B. masto- 
phora (Schmidt) T., redescribed, p. 146 ; B. sosia, n. sp., described, 
p. 147 : Topsent (50). 
Cerharis T., definition of genus, p. 160 ; C. torquata T., redescribed, 
pp. 160, 161 : Topsent (50). 
Chondrocladia guiteli^ n. sp., described : Topsent (50) pp. 207-209. 
Dendoryx dentata, n. sp., described : Topsent (50) pp. 172, 173. 
Desmacella inornata B., redescribed : Topsent (50) pp. 225, 226. 
Desmacidon peltatus, n. sp., described, p. 204 ; D. abyssi, n. sp., described, 
pp. 204, 205 : Topsent (50). 
Dragmatyle^ n. g., defined, p. 195 ; D. lictor^ n. sp., described, p. 195 : 
Topsent (50). 
Esperia stepanoivi^ E. irregularis^ E. muscoides^ E.contarenii^ E. foraminosa^ 
E. duhia : Sowinsky (46) p. 289. 
Esperella fascifihula^ n. sp., described, p. 201 ; E. tunicata (Schmidt) V., 
redescribed, pp. 200, 201 : Topsent (50). — E. cegagropila, bionomics : 
Cuenot (7). 
Esperiopsis villosa C, redescribed, pp. 211, 212 ; E. decora, n. sp., 
described, p. 212 ; E. praedita T., redescribed, p. 212 ; E. glomeHs, 
n. sp., described, pp. 213, 214 : Topsent (50). 
Forcepia C, definition of genus, p. 177 ; F. bulhosa (Carter) V., re- 
described, pp. 179, 180 ; F. imperfecta, n. sp., described, p. 180 : 
Topsent (50). 
Guitarra vohtta, n. sp., described : Topsent (50) pp. 209-211. 
Hamacantha. johnsoni (Bowerbank) G., redescribed, pp. 215-217 ; H. 
schmidti (Carter) L., redescribed, pp. 217, 218 ; H. carten, n. sp., 
described, pp. 218-220 ; H. lundbecki, n. sp., described, pp. 220, 221 ; 
E. implicans L., n. var. azorica, redescribed, pp. 221, 222 ; H. 
Integra, n. sp., described, pp. 222, 223 ; H. claviscepta T., redescribed, 
pp. 223, 224 : Topsent (50). 
Heteroclathria hallezi, n. g., described : Topsent (50). 
Hymeraphia B., definition of genus, p. 161 ; H. clavata B., redescribed, 
p. 161 ; H. viridis T., redescribed, p. 162 ; H. spinispinosa, n. sp., 
described, p. 162 ; H. a finis T., redescribed, p. 163 ; E. pilosella, 
n. sp., described, pp. 163, 164 ; H. hispidida, n. sp., described, pp. 164, 
165; H. mucronata, n. sp., described, pp. 165, 166; H. peachi (Bower- 
bank) T., redescribed, p. 166 ; H. miitabilis, n. sp., described, pp. 167, 
168 : Topsent (50). 
Hymerhabdia T., definition of genus, p. 159; H. oxytrunca, n. sp., de- 
scribed, pp. 159, 160: Topsent (50). 
Hymetrochota, n. g., definition of genus, p. 168 ; H. rotida, n. sp., described, 
p. 168 : Topsent (50). 
lophon lamella, n. sp., diagnosed and described, pp. 146-149 ; /. lamella 
indivisus, n. subsp., diagnosed and described, pp. 149-151 ; /. indebi- 
tatus, n. sp., diagnosed and described, pp. 151-154; /. chelifer ostia- 
Qiiagna, n. subsp., diagnosis cind description, pp. 143-146: Wilson 
(60). 
