HYDROZOA. 
Cad. 19 
Campanularia insignis , Bermuda, p. 19, pi. ix, figs. 1 & 2, C. tulipifera , 
Heard I., p. 20, pi. x, fig. 1, C. ptychocyathus , Bahia, ibid., pi. x, fig. 2, C. 
retroflexa , Honolulu, p. 21, pi. xi, fig. 1, C. chelonice, hab.?, p. 22, pi. xi, 
fig. 2, n. spp. ; id. t. c. 
Campanularia (?) sptinulosa , p. 756, pi. xii, figs. 5-7, C. (?) serrulata, 
p. 757, pi. xii, fig. 4, n. spp., Port Jackson ; Bale. 
Epenthesis maccradyi, n. sp., Nassau, Bahamas ; Brooks (2). 
Ilalisiphonia , n. g. : stolon monosi phonic ; hydrothecre inoperculate, 
entire margin ; wall not adnate to the hydrocuulus ; hydrantk with 
conical hypostome ; for 11. megalotheca, n. sp. ; S. of Australia, 2600 fath. ; 
Allman, pp. 30 & 31, pi. xvi, fig. 1. 
llebella, n. g. : stolon creeping, monosi phonic ; hydrothecse cylindrical, 
margin entire, inoperculate ; for H. striata , n. sp., Magellan’s St. ; 
id. t. c. pp. 24 & 30, pi. xv, fig. 3. 
Hypanthea aggregata, Kerguelen, p. 26, pi. xiv, fig. 1, II. hemispherica t 
Falkland Is., p. 27, pi. xiv, fig. 2, n. spp. ; id. t. c. 
Obelia angulosa, n. sp., Paramatta River; Bale, p. 752, pi. xii, fig. 3. 
Thyroscyphus simplex , n. sp., Cape York ; Allman, p. 25, pi. xiii, figs. 1 
& 2 . 
Perisiphonidj;. 
Cryptolaria humilis, off Azores, 1000 fath., p. 39, pi. xviii, fig. 1, C. 
abyssicola , S. of Australia, 2600 fath., p. 40, pi. xviii, fig. 2, C. flabelluni, 
W. Indies, ibid., pi. xix, fig. 1, C. pulchella , Honolulu, ibid., pi. xix, fig. 2, 
C. cras8icaulis, off Ascension, p. 41, pi. xix, fig. 3, C. geniculata , Fiji, ibid., 
pi. xx, fig. 1, C. gracilis , N. Zealand, p. 42, pi. xx, fig. 2, C. diffusa , off 
Sierra Leone, 2500 fath., ibid., pi. xxi, fig. 1, n. spp. ; Allman. 
Lafoea scandens , n. sp., Port Jackson ; Bale, p. 758, pi. xiii, figs. 16-19. 
Lictorella , n. g. : hydrocaulus of an axial tube enveloped by peripheral 
tubes, but free distally ; hydro thecae cylindrical, pedunculate, inopercu- 
late, with entire margin ; walls never adnate to the hydrocaulus ; for L. 
halecioides, Alim., and L. cyathi/era, n. sp., New Hebrides; Allman, 
p. 36, pi. xi, fig. 3. 
Perisiphonia , n. g. : resembles Cryptolaria , but the hydrothecae have 
peduncles, and the axial tube never becomes free from the peripheral 
ones ; sarcode-bearing receptacles present ; for P. filicvda, Azores and 
Australia, p. 44, pi. xxii, figs. 1-4, P. pectinata , p. 45, pi. xxi, fig. 2, n. spp. ; 
id. 
Haleciime. 
Ilalecium arboreum, Kerguelen I., p. 10, pi. iv, figs. 1-3, H. telescopicum, 
Port Jackson, ibid., pi. v, fig. 1, II. flexile, Marion I. and Patagonia, p. 11, 
pi. v, fig 2, II. fastigiatum, Tristan da Cunha, p. 13, pi. xv, fig. 2, II. 
dichotomum , Cape of Good Hope, ibid., pi. vi, figs. 1-4, II. cymiforme, 
Patagonia, p. 15, pi. vii, figs. 1-5, n. spp. ; Allman. H. gracile, p. 759, 
pi. xiv, figs. 1-3, Port Stephens, Port Jackson, H. parvulum, p. 760, 
pi. xiv, figs. 4 & 5, Bondi Bay ; Bale. 
