12 i Moll. 
MOLLUSCOIDEA. 
Vesiculariid^. 
Amathia tortuosa^ sp. n., J. E. T. Woods, Tr. Soc. Viet, xvi., with figure, 
Australia; perhaps identical with semiconvoluta (Heller), from the Medi- 
terranean. 
BowerbanJeia caudata, citi'ina, and gracilUma (Hincks) ; Hincks, Brit. 
Polyz. pp. 521, 524, & 525, pi. Ixxv. figs. 6-8, pi. Ixxvi. figs. 6-8. Val- 
heria pustulosa (Ellis & Sol., Johnst.) belongs also to this genus, p. 522. 
Avenella fusca (Dalyell, nec Busk, Alder, Smitt) = dalyelli (Wyville 
Thomson) ; id. 1. c.p. 527, pi. Ixxvii. figs. 6 & 7. 
Farrella, sp. n., not named, from the Arctic Sea ; Busk, J. L. S. xv. 
p. 240, pi. xiii. fig. 9. 
Hypophorella expansa (Ehlers, 1876). Abstract of Ehlers’ paper by 
Allman, J. L. S. xv. pp. 6-8. 
Buskiid^. 
New family of the Ctenostomata; zocecia contracted below, not continuous 
with the creeping stolon, with an aperture on the ventral surface. Only 
1 genus and species; Bushia nitens (Alder, 1857). Hincks, Brit. Polyz. 
p. 531, pi. Ixvii. figs. 6 & 7. 
/ 
Cylindrceciidj;. 
New family of Ctenostomata ; zooecia not contracted below, closely 
united to the stem at the base, not deciduous, destitute o£ a membranous 
area. Only one genus. Hincks, c. p. 534. 
Cylindrcecium, g. n. ; zooecia elongate, cylindrical, crowded together or 
scattered, rising from a creeping stolon ; polypid, without a gizzard. C. 
giganteum (Busk, slb Farrella), dilatatum (Hincks, Farrella) = F. fusca 
(Busk, Alder, Smitt), and pusillum, sp. n., British. Hincks, 1. c. pp. 635- 
638, pis. Ixxvii., Ixxix. & Ixxx. fig. 8, woodcut, p. 538. 
Anguinella palmata (Beueden, 1844), British ; id. 1. c. p. 539, pi. Ixxvii. 
fig. 5. 
VlCTORELLIDiE. 
Victorella pavida (Kent, 187C), some observations on its development ; 
Hincks, 1. c. p. 560, pi. Ixxix. figs. 4-7. 
LOPHOPODA. 
Blumatella^ allied to repens, Petane Valley, Napier, New Zealand, A. 
Hamilton, Tr. N. Z. Inst. xii. p. 302. 
Fredericella, very large [in the lake of Silvaplana, Engadine ; Asper, 
Zool. Anz. iii. p. 206, woodcut. 
A freshwater Polyzoon, in which the two branches of the lophophore 
do not form a horseshoe figure, but are more entirely separated, from the 
river Humber, Canada, near Lake Ontario, not yet named; Hincks, Ann. 
N. H. (5) V. pp. 239-211, with woodcut. 
