SPONGIJDA. 
18 Spong. 
Puerto Cabello, anchorata , Antigua, Falmouth, pi. xi. figs. 12-14, have 
acerate and bihamate spicules, the last also an anchorate. 
Phlceodictyon [•«»»], Carter, (4) p. 122. Without diagnosis; based on 
P. isodictyiforme, Yigo Bay, Spain, hondurasense , Honduras, nululiforme , 
liab. ?, vasiforme, Australia ?, spp, nn., id. 1. c. pp. 122-124. Placed in tho 
same group as Oceanapia, Rhizochalina , &c. ; spicules acerate only in 
all the species. 
Hymeniacidon armiger , Bowerbank, (1) p. 73, pi. iv. figs. 10-17, W. of 
Ireland. 
Ualichondria cylindricea , robertsoni , flabellifera , virgea , id. ?. c. pp. 96, 
100, & 107, pis. y. figs. 1-14, vi. figs. 4-8, vii. figs. 4-10, Durham, W. of 
Ireland, and loc. ?. 
Isodictya hispida, collina, fuhalis, implicita, incequalis , deformis, sci- 
tula , id. 1. c. pp. 136, 146, 147, 150, 154, 157, 160, pis. iv. figs. 1-3, ix. 
figs. 1-3, xii. figs. 1-5, xiv., xv. figs. 5-10, xvi. figs. 1-14, W. of Ireland, 
Atlantic cable at 200 miles W. of Land’s End, and loc. P. 
Echinonemata. 
Echinonema vasiplicata, Carter, (4) p. 114, S. W. Australia. 
Hymedesmia pansa , pilata , pulchella , Galway, peachi , Wick, Scotland, 
Bowerbank, (1) pp. 56-64, pis. i. figs. 1-4, ii., & xiii. figs. 5-12. 
SUDERITIDA3. 
Suberites capensis , Port Elizabeth, antarcticus , 74^° S. lat., coronarius , 
pi. xii. fig. 27, Bahamas, Honduras, Jamaica, Carter, (2) pp. 350-352 ; 
also 7 alleged new species of Suberites , briefly described without names, 
id. ibid., from various localities. 
Suberites stelligerus, id. (4) p. 124, Honduras ; contains a stellate 
spicule. 
Papillina rubra , Krukenberg, (9) p. 113, table vii., spectra 11-13, colour 
alone described ; Adriatic Sea. 
Terpios ccerulea, Carter, (2) p. 355, pi. xii. fig. 30, Budleigh Salterton, 
S. Devon ; the colour is due to a parasitic Alga. 
Hymedesmia tenuicula, Bowerbank, (1) p. 68, pi. i. fig. 8, Wick and 
Galway. 
Hymeniacidon hillieri, virgulatus , callosus , tenebrosus, id. 1. c. pp. 79, 
84, 86, & 90, pis. iii. figs. 1-3, iv. figs. 4-9, xv. figs. 1-5, off Dover, Dur- 
ham, W. of Ireland. ♦ 
Isodictya nodosa, involuta, pertenuis , id. 1. c. pp. 141-146, pis. x. figs. 1-4, 
xiii. figs. 1-4, xiv. figs. 6 & 7, W. of Ireland. 
Trachya durissima , Carter, (2) p. 357, Cape of Good Hope. 
Radiella schcenus. Sollas, (15) p. 162, the distal projecting ends of the 
spicules are inflated. 
Donatia multifida , Carter, (2) p. 358, pi. xii. fig. 22, Acapulco. 
Tetkactinellida. 
Isops 8ph(eroide8, Vosmaor, (17) p. 13, pis. i. figs. 10 & 11, ii. figs. 27, 28, 
39-49, iv. fig. 116, near Hammerfest; it possibly = A Icyonium cranium, 
