16 Spong. 
SPONGIIDA. 
New Genera and Species. 
0 ERATO S A. 
Aplysina cornpressa, cauliformis , longissima , Carter, (2) pp. 270 & 271, 
Nassau, W. Indies. 
Luffaria cauliformis , with varr. rufa, elongo-reticulata, Carter, (2) 
pp. 268-269, Nassau and Antigua, W. Indies. 
Euspongia compacta , Carter, (4) p. 106, South Australia. 
Taonura, id. 1. c. p. 108, without diagnosis. Based on T. flabelliformis, 
S. Australia, Illawarra, &c. ; placed in group Callhistia of his classifica- 
tion. 
Hircinia caraccensis , id. (2) p. 273, W. Indies. 
Dysidea iubulosa , id. 1. c. p. 275, Nassau, W. Indies ; agrees with 
Terpios jania, Duch. & Mich. 
S1LICEA. 
ClIALINIDA3. 
Tuba acapulcaensis \-censis'\, Carter, (2) p. 280, Acapulco. 
Chalina digitata , with var. arenosa , id. ibid., New Zealand and Aus- 
tralia. 
Patidoscida , id. 1. c. p. 365, without diagnosis. Based on P. pro - 
cumbens, sp. n., id. ibid., Granada, W. Indies ; inserted in family Cavo- 
chalinida. 
P achy chalina caulifera , Vosmaer, (17) p. 33, pis. i. fig. 14, iii. figs. 64 
& 65, Barents Sea ?. No vents or pores found in the pedicel. 
Cribrochalina variabilis, id. (17) p. 36, pis. i. figs. 16 & 17, iii. figs. 
67-69, Barents Sea, 220 fath., Matosjkin Shar, 2-11 fath., two varr. dis- 
tinguished, crassa and salpingoidcs. G. sluiteri , id. 1. c. p. 39, pis. i. fig. 18, 
iii. figs. 71-74, Barents Sea. 
Renierid^e. 
Reniera purpurea, Krukenberg, (9) p. 38, Triest. Only the colour 
described, viz., a rich purple ; the colouring matter resembles that of R. 
aquiductus (see above) in most respects ; but the aqueous solution shows 
an absorption band extending from line 13 to 16 of the spectrum. 
Reniera incrustans , Eilli. Schulze, MS., (7). A Sponge is cited under this 
name, without description, by Graeffe. 
Reniera crater if or mis, Carter, (4) p. 115, Australia?. 
Isodictya bowerbanki, Norman (1), = I. simulo, Bowerbank. 
Isodictya ferula, perplexa, crassa, paupercula , trunca , Bowerbank, (1) 
pp. 116, 123, 126, 129, & 132, pis. viii. b, figs. 1-6, ix. figs. 4-6, x. figs. 6-8, 
W. of Ireland. 
Hymeniacidon solidus, id. 1. c. p. 27, pi. iii. figs. 4-7, Westport Bay, 
Ireland. 
Halichondria condensa, coralloides, id. Z. c. pp. 102-104, pis. vi. figs. 1-3, 
vii. figs. 1-3, Isle of Man, Firth of Forth. 
