NEW GENEEA AND SPECIES. SpOYig, 9 
Aplysina ? regularise Ridley, (12) p. 108, pi. x. fig. 1, Straits o£ 
Magellan. 
Hircinia rubitmgens, Gulf of Manaar, clathratae Gulf of Manaar and 
Red Sea, Carter, (2) p. 366. 
SILICEA. 
Monactinellida. 
ClIALINlD^. 
TubulodigituSe Carter (2). Based on T, communis, id. p, 367, Gulf of 
Manaar ; forming tubular repent masses. 
Chalina coppingeri, Ridley, (12) p. 110, pi. x. fig. 2, Victoria Bank, off 
South-east Brazil. 
Siphonochalina fortis, id. 1. c, p. Ill, pi. x. fig. 3, Southern Chili. 
Echinonemata. 
Echinodictyum, Ridley, (13) p. 403. Differs from Dictyocylindrus 
chiefly in the absence of smooth acuate spicules. Based on Spongia bila- 
mellata, Lamarck, pi. xxviii. figs. 1-6, now recorded from North-west 
Australia, and E. nervosum, sp. n., p. 496, pi. xxviii. figs. 7-10, South-east 
Coast of Arabia, perhaps = Spongia nervosa, Lamarck. 
Dictyocylindrus reticulatus. Carter, (2) p. 377, pi. xviii. fig. 7, Bass’s 
Straits. 
Acantliella stipitata, Carter, (2) p. 380, Bass’s Straits. 
Echinonema, Carter, (2) p. 378. Based on E. typicum and anchoratum, 
id. ibid., from South, and the former also from South-west, Coast of Aus- 
tralia. The spiculation consists of a smooth skeleton acuate and a clavate 
spined echinating spicule, and in the latter of an equianchorato as well. 
The former was mentioned in 1875 by name only. 
Phacellia egregia, Ridley, (12) p. 114, pi. x. fig. 6, Straits of Magellan. 
Dirrhopalum, Ridley, (13) p. 477, = Plocamia, Schmidt. 
Dirrhopalum novizelanicum, Ridley, 1. c. p. 483, pi. xxix. figs. 8-16, Bay 
of Islands, New Zealand. 
Dirrhopalum carteri, Duncan, (13) p. 488, pi. xxix. figs. 8-17, deep 
water. North Atlantic; D. hystrix, id. 1. c. p. 491, pi. xxix. figs. 31-39, 
1095 fath. off Coast of Portugal. 
DesmacidinidvE (Schmidt, ex parte). 
Esperia magellanica, Ridley, (12) p. 117, pi. x. fig. 5, Straits of Magel- 
lan and Otter Island, Patagonia. Abundantly pigmented, the colouring 
matter contained in cells. 
Alebion proximum, id. 1. c. p. 119, pi. x. fig. 8, Straits of Magellan. 
Ilymedesmia polita, id. 1. c. p. 121, pi. x. fig. 9, Straits of Magellan. 
Axos anchorata. Carter, (2) p. 382, pi. xviii. fig. 3, A. Jibulata, id, 1. c. 
p. 383, pi. xviii. fig. 4, Bass’s Straits. 
Halichondria infrequens, Carter, (2) p. 369, pi. xviii. fig. 9, Gulf of 
Manaar. Has the spiculation of a Desmacidine. 
Renieridje. 
Amorphina megalorrhaphis, Carter, (2) p. 368, Basse Rocks, Ceylon. 
