Moll. Ill 
CHILOSTOMATA, CYCLOSTOMATA. 
Lepralia margaritifera (Lamx.) has a small avicularium with semi- 
circular mandible, and is also found at Kerguelen ; id. 1. c. p. 195. 
Smittia, g. n., = Escharclla (Smitt, nec Orb.). Primary orifice sub- 
orbicular, the lower margin entire and dentate ; peristome elevated and 
forming a secondary orifice, channelled in front ; generally an avicularium 
below the sinus. Type, S. landhorovii (Johnst.) : 9 British species enu- 
merated. Hincks, Ann. N. H. (5) iii. p. 161. 
Phylactella^ g. n. Primary orifice more or less semicircular, lower 
margin sometimes dentate, surrounded by an elevated peristome which is 
not produced or channelled in front. No avicularia. 3 British species, 
lahrosa (Busk), collaris (Norman), and eximia (Hincks). Id. ihid. 
Escharoides (Smitt). Generic characters, E. rosacea (Busk) and quin- 
cuncialis (Busk), British ; id. 1. c. p. 162. 
Mucronella (Hincks, 1877) = Discopora (Smitt) : 8 British species enu- 
merated ; id. ibid. 
Palmicellaria (AAder). Generic characters, 4 British species; id.l.c. 
pp. 162 & 163. 
CBLLEPORIDiE. 
Characters of the family : zooecium urceolate with a perfectly terminal 
orifice, peristome much elevated and carried up into one or more pro- 
minent rostra, supporting avicularia. Genera, Cellepora (Fab,, pt.) and 
Celleporaria (Smitt, nec Lam., nec Orb.), the latter including the British 
C. hassalli. Hincks, 1. c. p. 163. 
Cellepora avicidaris (Hincks) = redouti (Aud.), verruculata (Smitt), 
reiusa (Manz.) var. n. caminata^ C. sardonica, cutleriana, and digitata, 
spp. nn., margaritacea (Pourt.) = Biiskea nitida (Hell.), all from Naples ; 
Waters, Ann. N. H. (6) iii. pp. 192-199, pi. xiii. fig. 1, pi. xiv. figs. 1-13, 
pi. xxiv. figs. 8-10. 
Cellepora repleta, sp. n. ?, Adelaide, id. J. R. Micr. Soc. ii. p. 392, pi. xr. 
figs. 6 & 8. 
Reteporid,®. 
Retepora cellulosa (L.) and couchi (Hincks) = heaniana (Hincks), both 
from Naples, described by Waters, Ann. N. H. (6) iii. pp. 199-201, pi. xv, 
figs. 1-6. 
GYCLOSTOMATA. 
TUBULIPORIDiE. 
TubuUpora transversa (Lamx.) = serpens (Johnst.) =; Idmonea dilatator 
(Orb.), Marseilles, on the cirri of Antedon phalangium^ 100 metres, J^nd on 
muddy ground, 40-80 metres ; Marion, Ann. Sci, Nat. (6) viii. t^rt. 7, 
p. 36. 
TubuUpora organhans (Orb.) and stellata (Busk, 1876) ; Busk, Phil. Tr. 
clxviii. p. 198, pi. x. figs. 20-26, Kerguelen, 
Idmonea pedleyi. sp. n., radians (Lam.) and milneana (Orb.), observed 
at Port Jackson; Haswell, P. Linn. Soc. N. S, W. iv. p, 351. 
