TUNICATA. 
Moll 99 
Pohjcarpa pedata and irregularis^ Philippines, sulcata^ Banda, pilella^ 
Bahia, viridis and radicatus\j-ta~\^ Port Jackson, molguloides and rigida, 
Bass’s Straits, longisiphonica, Port Jackson, quadrata, Ki Island, 129 
fath., and minuta, South of Kerguelen Island, 150 fath., spp. nn. ; id. 1. c. 
pp. 71-62. 
Styela hjthia squamosa^ South of Australia, 2600 fath.,^am and 
gla?is, off Buenos Aires, 600 fath., \grandis and convexa, South of Ker- 
guelen Island, 150 fath., lactea, Kerguelen, 10-100 fath., exigua, Port 
Jackson, and clava, Kobe, Japan, 8-50 fath., spp. nn. ; id. 1. c. pp. 63-70. 
Ascidia lata, fusiformis, truncata, triangularis, patoni, and exigua, 
spp. nn., aspersa (Miill.) = pustulosa (Alder) = cristata (Heller), scahra 
(Miill.), muricata (Hell.), ohliqua (Aid.), depressa (Aid.), and pleheia 
(Aid.), all British, described and characteristic parts of them figured ; 
id. J. L. S. XV. pp. 377-388, pis. xiv.-xix. 
dona is, in the arrangement of its intestine, intermediate between 
Corella and Ascidia, and probably a more primitive form ; id. 1. c. 
pp. 274-276, woodcuts. 
Doltenia elega.ns, south of Halifax, 51 fath., and pachydermatica, New 
Zealand, spp. nn. ; id. P. R. Soc. Ediub. xi. pp. 80 & 81. 
Culeolus, g. n. ; stalked as the preceding, branchial aperture trilobed, 
branchial sac longitudinally folded, consisting of longitudinal and trans- 
verse bars, without stigmata, the fine longitudinal vessels being absent. 
C. murrayi, east of Japan, 2300 fath., xmyville-thomsoni, north of the Ker- 
madec Islands, 500 fath., recumhens B.nd perlucidum [sic], between Cape of 
Good Hope and Kerguelen Island, 1375 & 1600 fath., suhmi, East coast of 
North America, 1700 fath., and moseleyi, centre of the Pacific, 2425 fath., 
spp. nn. ; id. 1. c. pp. 82-88. 
Molgula pedunculata, South of Kerguelen Island, 150 fath., horrida 
Falkland Islands, forhesi, Port Jackson, and pyriformis, off Buenos Aires, 
600 fath., spp. nn., and several known species from the ‘Challenger’ 
Expedition mentioned ; id. 1. c. pp. 233-236. 
Eugyra herguelenensis, sp. n., id. 1. c. p. 237, Kerguelen Island, 10-110 
fath. 
Lithoncphria eugyranda (Lac. Duth., Ctenicella), its affinities and first 
development ; Giard, C. R. xcii. p. 1350. 
Ascopera, g. n. ; body pyriform, more or less pedunculated, attached, 
test thin ; seven folds on either side of the branchial sac ; stigmata 
straight or curved, but not arranged in spirals. A. gigantea and pxedun- 
culata, spp. nn.. South of Kerguelen Island, 1 50 fath. ; Herdman, P. R. 
Soc. Edinb. 1881, pp. 238 & 239. 
AsCIDIiE CoMPOSITJi:. 
Distaplia, g. n. Colony pedunculate or sessile, individuals arranged 
into a ramified coenobium ; they have the form of the Didemniidce, but 
are provided with an ectodermic process ; branchial sac with four rows of 
fissures, walls of the stomach smooth, &c. Della Valle, Atti Acc. Rom. 
(3), Trans, vi., p. 14, from Naples ; abstract in Ann. N. H. (5) viii. 
p. 455. 
1881. [voL. XVIII.] 
B 15 • 
