gastropoda (tectibranchia, nudibranchia) . Moll. 57 
hancocki (Forbes), English Channel and Gulf of Marseilles, on the stalks 
of Cysiosira amcntacea. A. Yayssiere, Ann. Sci. Nat. (6) xv. No. 1, 
pp. 1-28, pis. i. & ii. figs. 1-21. 
NUDIBRANCHIA . 
The 13th part of R. Bergh’s “ Malacologische Untersuchungen,” 
pp. 547-601, pis. lxii.-lxv., being a part of Semper’s “ Reisen im Archipel 
der Philippinen,” and issued 1878, has hitherto been omitted from Zool. 
Rec. ; as also has Collingwood’s paper on some Nudibranchia of the 
Eastern Seas, Tr. L. S. (2) ii. pt. 2 [1881]. The latter observes that an un- 
determined species of Doris throws off the prominent parts of the mantle 
in foul water, p. 125. 
Phyllidiid^:. 
Phyllidia spectabilis , sp. n., Collingwood, Tr. L. S. (2) ii. [1881] p. 136, 
pi. x. figs. 19-23, West coast of Borneo. 
Fryeria variabilis , sp. n., id. 1. c. p. 137, pi. x. figs. 24-28, West coast of 
Borneo. 
DORIDIDiE. 
Doris pecten, Kelung, N. Formosa, and crescentica , Fiery Cross Reef, 
China Sea, spp. nn., Collingwood, l. c. pp. 126 & 127, pi. ix. figs. 1-8. 
Albania, g. n. Near Hexabranchus ; body depressed, soft, semi-trans- 
parent ; mantle ample, undulated, and turned up at the sides ; dorsal 
tentacles flexible, without sheaths ; branchim consisting of about seven 
compound leaflets, each separately retractile ; head with a bilobated 
crenated veil. A.formosa, sp. n., Kelung, N. Formosa, Collingwood, l. c. 
pp. 132 & 133, pi. x. figs. 1-5. 
Hexabranchus (Ehrenb.). List of known species; H. faustus , Pelew 
Islands, anaiteus, New Hebrides, petersi, Mozambique, and notatus , Tonga, 
spp. nn.: Bergh, in Semper’s Reis. Arch. Philipp, ii. 2, pt. 13, pp. 547-566 
[1878]. 
Audura, g. n. “ Forma corporis depressa, noteeum sublaeve, minutissime 
villosum. Tentacula digitiformia. Branchia foliis bipinnatis. Podarium 
margine anteriore bilabiatum, labio superiore latiore, medio diviso. Ar- 
matura labialis e baculis minutis insequalibus formata. Lingua rhachide 
nuda, pleuris multidentatis ; dentes hamati. Yentriculus liber. Penis 
hamo armatus ; hasta amatoria ? ” Allied to Discodoris (Bergh, 1877). 
A. maima, sp. n., Philippines, Bergh, l. c. pp. 567-571, pi. lvii. figs. 13-24. 
II alia, g. n. “ Forma corporis sat depressa. Corpus molle, supra laeve. 
Tentacula nulla. Branchia e foliis simpliciter lamellatis composita. Po- 
darium non latum, antice emarginatum et loboutrinque capiti connatum. 
Armatura labialis e hamulis minutis formata. Radula rhachide nuda, 
pleuris pluridentatis ; dens primus latus, a reliquid diversus, reliqui sub- 
hamati, erecti, margine externo denticulato. . Penis inermis.” Allied to 
Trippa (Bergh). H. decorata , sp. n., Philippines, Bergh, l. c. pp. 572-574, 
pi. lviii. figs. 19-29. 
