SYSTEMATIC. 
Spong. 17 
Family Rossellidje. 
Rossellidce, diagnosis of the family ; IjimA (22) p. 114. 
Family Leucopsachme. 
Leucopsacidce n. fam. for the genera Leucopsacus , Chaunoplectella , Caulo- 
calyx and Placoplegma , formerly placed, with Aulocalyx and Eury- 
plegma , as the subfamily Leucopsacince of the family Rossellidce ; the 
two last named genera to be removed to the family Dactylocalycidce ; 
diagnosis and key to the genera and species given ; Ijima (22) pp. 29- 
34 & p. 110. 
Chaunoplectella Ij., diagnosis, p. 53 & p. Ill ; C. cavernosa Ij., fully 
described, pp. 53-71 & p. Ill, pis. iv & v, figg. 8-13, text-fig.; C. 
spinifera n. Sp. from the Sagarni Sea, pp. 71-77 & p. Ill, pi. V, 
figg. 14-17, pi. vi, figg. 1-8: Ijima (22). 
Leucopsacus Ij., diagnosis, p. 34 & p. 110 ; L. orthodocus Ij., fully 
described, pp. 34-46 & p. 110, pi. iii, figg. 14-26; L. scoliodocus Ij., 
fully described, pp. 46-52 & p. 110, pi. iii, figg. 27-37 : Ijima (22). 
Family Hyalonematim;. 
Pheronema grayi ; Richard (42), p. 71. 
Family RECEPTACULITID^E. 
\ Receptaculites occidentalis Salter, described ; Weller (54) pp. 135 & 136, 
pi. vi, figg, 2-4. 
Family Pollakim;. 
t Hyalostelia sp. ; Girty (18) pp. 249, 250, 319. 
(ii) DICTY0NINA. 
Family Euretid^:. 
iStauronema carteri Sol., pp. 18, 31, 42, 78, 87, 91, 164 ; lobata Soil, 
p. 42 : Jukes-Browne & Hill (24). 
Family Craticularid,®. 
iCraticularia fittoni Mant ; Jukes-Browne & Hill (24) pp. 31, 72, 91, 
102, 370, 379, 407, 423, 449 : Rowe (44) p. 49. +(7. manzonii Malf., 
and +(7. sp. ; Nelli (34) p. 192. \C. zitteli Pocta, description of 
specimens from Kuttenberg, Bohemia ; Pocta (37) pp. 3 & 4, and (38) 
pp. 113 & 114. 
+ Cribrospongia obliqua Gf. ; Schardt & Dubois (45), p. 395. 
Family Mellitttonidje. 
■f • Aphrocallistes alveolites (Roem.) ; Wollemann (56) p. 8. 
