14 Spong. 
XVII. SPONGIiE. 
[1904] 
Family Hertwigid^. 
Hertwigia, characters of genus, p. 135 ; H. falcifera 0. Sch., redescribed, 
pp. 23, 34 : ScHULZE (43). 
Family Caulophacid^. 
Cautophacidce^ characters of family with list of genera : Schulze (43) 
pp. 173, 174. 
Caulophamis^ characters of genus, p. 137 ; C. valdivice F. E. S., redescribed, 
pp. 25-28 : Schulze (43). — C. schulzei, n. sp., diagnosed and described, 
pp. 43-50 ; (?., sp., described, p. 50 : Wilson (60). 
Family Hyalonematid^. 
Compsocalyx, characters of n. g., pp. 164, 165 ; C. gihberosa F. E. S.,n. sp., 
described, pp. 99-103 : Schulze (43). 
Hyalonematidce, characters of family with list of genera, p. 181 : Schulze 
(43). 
Ryalonema, characters of genus, p. 162 ; H. thomsoms W. M., redescribed, 
pp. 67-69 ; H. calix F.E.S., n. sp., described, pp. 69-73 ; H. somalicum 
F. E. S., n. sp., described, pp. 73, 74 ; H. glohiferum F. E. S., re- 
described, pp. 75-77 ; H. solutum F. E. S., n. sp., described, pp. 77, 
78 ; H. valdivice F. E. S., n. sp., described, pp. 78-80 ; H. rapa 
F. E. S. juv., redescribed, pp. 80-82 ; H. validum F. E. S., n. sp., 
described, pp. 82, 83 ; H. tidipa F. E. S., n. sp., described, pp. 83-85 ; 
H. simile F. E. S., n. sp., described, pp. 85-88 ; H. coniforme F. E. S., 
n. sp., described, pp. 88, 89 ; H. unia F. E. S., n. sp., described, 
pp. 89-91 ; H. apertum F. E. S., redescribed, pp. 91-95 ; H. molle 
F. E. S., n. sp., described, pp. 95, 96 ; H. proxim.uin F. E. S., n. sp., 
described, pp. 64-67 : Schulze (43). — H. ovuliferum F. E. S., re- 
described, pp. 16-19 ; H. peduticulatuin, n. sp., diagnosed and 
described, pp. 19-22 ; H. hianchoratum^ n. sp., diagnosed and described, 
pp. 22-25 ; H.^ species diversae described, pp. 25-28 ; H. pateriferum, 
n. sp., diagnosed and described, pp. 28-33 : Wilson (60). — H. thom- 
soni W. M., redescribed, p. 31 ; H. infundihulum T., redescribed, 
p. 32 : TopsENT (50). 
Fheronema^ characters of genus, p. 151 ; P. carpenteri . T.), redescribed, 
pp. 50-52 ; P. raphanus F. E. S., redescribed, pp. 52-58 : Schulze 
(43).— P. grayi S. K., redescribed, pp. 29 -31 : Topsent (50). 
Platylistrum, n. g., characters of genus, p. 165 ; P, platessa F. E. S., 
n. sp., described, pp. 59-64 : Schulze (43). 
\Stauractinella cretacea : Jukes-Browne & Hill (26), p. 508. 
Family Semperellid^. 
(Semperellin^ removed from Hyalonematid.e to form a distinct 
family.) 
JSe7nperellidce, characters of f<iraily with list of genera : Schulze (43) 
p. 181. 
Semperella, characters of genus, p. 167 ; S. cucumis F. E. S., redescribed, 
pp. 103-110 ; ii. spicifera F. E. S., redescribed, pp. 110-112 : Schulze 
(43). 
Mono rap his, characters ot n. g., pp. 167, 168 ; J/, chuni F. E. S., n. sp., 
described, pp. 112-121 ; M. divis F. E. S., n. sp., described, pp. 121- 
125 : Schulze (43). 
