106 Moll, 
MOLLUSCOIDEA. 
Rhynchopora longirostris, sp. n., Hincks, 1. c. p. 125, Bass’s Straits. 
Rhijnchopora hupinosa (Johnst.) ? Victoria Bank, S. Brazil ; Bidley, 
P. Z. S. 1881, p. 50. 
Aapidostdma^ g. n. Zooecia with a calcareous front wall, destitute of 
raised margins ; orifice arched above, straight below, protected in front 
by a broad shield-like plate ; wall of the cell elevated behind the orifice 
into a broad hood-like expansion, which covers it in and forms an arched 
secondary orifice. Zoarium erect, bilaminate, thick and solid. A. crassum, 
sp. n., between Patagonia and the Falkland Isles. Eachara gigantea 
(Busk) bears some general resemblance to it. Hincks, Ann. N. H. (5) 
vii. pp. 159-161, pi. X. fig. 6. 
[^Adeona\ Diciyopora wilsoni, sp. n., p. 85, and alhida (Kirchp.) var. n. 
aviculariSf p. 86, MacGillivray, Tr. R. Soc. Viet. xvii. Port Phillip Heads, 
Australia. 
Celleporidj:. 
G. Busk divides Cellepora (L.) into two sections: (1) holostomatous 
Celleporce^ with the borders of the primary orifice entire, and (2) schizo- 
stomatouSj borders of this orifice notched or sinuated in front; and 
again into two other sections: (1) operculum suborbicular, semi- 
circular or arcuate, and (2) operculum more or less contracted below 
with an articular notch on the sides. J. L. S. xv. pp. 341-344, wood- 
cuts. He describes the following spp. nn., pp. 344-356 : — Cellepora 
hastigera, Bass’s Straits, apiculata and nodulosa, off Port Jackson, 
zamboangensis, Philippines, alhiroatria (Smitt, Discopora)^ off Heard’s 
Island, tridenticulata, 10° S. lat., 142° E. long., columnaris^ Bass’s Straits, 
honoluliiensis, Sandwich Islands, imhellis, Bahia, rudis, 37° S. lat., 53° 
W. long., solida, 42° S. lat., 134° E. long., 2600 fath., simonenais, Simon’s 
Bay, S. Africa, 400 fath., pustulaca, Marion Island, cylindriformiSy 35° 
S. lat., 18° E. long., 150 fath., jacksonienaisy Port Jackson, eatoniensiSy 
Kerguelen and Magellan Straits, 5-1325 fath., ovaliSy 38° N. lat., 28° W. 
long., 450 fath., Sandwich Islands, tuberculatay Port Jackson, 
vagans, Sandwich Islands, 210-310 fath., bicornisy Prince Edward’s 
Island, 80-150 fath., bilabiata, Port Phillip and Tristan] d’Acunha, 
60-1100 fath., signata, 46° S. lat., 75° W. long., conica, Simon’s Bay, 
ansatay 38° N. lat., 28° long., canaliculata, 43° N. lat., 64° W. long., and 
bidenticulata, Port Jackson, all except the fifth collected on the ‘ Chal- 
lenger ’ Expedition, and all for which the depth is not mentioned, above 
a depth of 100 fath. 
Cellepora granurriy sp. n., Hincks, Ann. N. H. (5) viii. p. 127, pi. iii. 
fig. 8, Bass’s Straits. 
Cellepora tubigera (Busk), S. Chili, bilabiata (Busk), Straits of Magel- 
lan, mammillata (Busk), turrita (Smitt) and dicJiotoma (Hincks), 
S. Brazil ; Ridley, P. Z. S. 1881, pp. 54 & 55. 
Reteporid.®. 
Retepora altisulcata, sp. n., S. Chili, and cellulosa (Oken) ? Straits of 
Magellan, Ridley, I, c. p. 53, the former pi. vi. fig. 5. 
