GASTROPODA (nUDIBRANCHIA) . 
Moll 53 
subqnadrafci vol transvorsaloa, intimi hamati, falciformos. GlancTula 
hormaphroditica a hopaio non discrota. Penis foro nt in Pliyllidiis 
seriebus hamorum armatiis.” N. nigerrima, gracilis, morosa, and cristata, 
Philippine Islands, Jmharyana, Pelew Islands, diaphana, Aibukit, Pacific, 
spp. nn., most of them also anatomically described. Angasiella edwardsi 
(Angas) perhaps also belongs to this genus. R. Bergh, in Semper’s 
Reis. Philippin. ii. pt. 21, pp. 450-461, pis. Iv. & Ivi. 
Plocamophorus. Anatomical description ; id. 1. c. pt. 11. 
Plocamopherus{^phorus'\ Jlagellatus (Krusenstern, Reise 1811-1814, 
pl. Ixxxviii. figs. 7-10), levivarius, sp. n., Abraham, Bull. Soc. Zool. Fr. 
1877, p. 288, locality unknown. P. tilcsii, sp. u., Bergh, in Semper’s 
Reis. Philippin, ii. pt. 21, pp. 4.S1-439, pl. lii. figs. 17-27, pl. liii. figs. 1-4, 
Japan, full anatomical description. 
A ethedoris, g. n. ; head bilobed, each lobe semicrescentic, its margin 
12-14 dentated. A. indica (figured by Alder & Hancock, Tr. Z. S. v. 
1864, pl. xxxiii. fig. 20, as an unknown genus), Madras Coast. Abraham, 
P. Z. S. 1877, p. 237. 
DoRIDOPSIDiE. 
Doridopsis australiensis, New South Wales, ohscnra, fumea, and fccdata, 
localities unknown, inornata, Mediterranean, suhpcllucida, St. Vincent, 
West Indies, marnmosa, locality unknown, variata, China, and parva, 
locality unknown, spp. nn., Abraham, P. Z. S. 1877, pp. 263-267, pl. xxix. 
figs. 20-24, pl. XXX. figs. 25-36. 
See also Doris luguhris and cuprea (Ehrenb.), anted, p. 50. 
Tritoniid^. 
HancocMa, g. n. Body linear, scarcely palliate, head produced on each 
side into a broad, flat, many- fingered veil. Dorsal tentacles with lami- 
nated bulbs, retractile within sheaths. BranchisB 3 pairs, foliate, pinna- 
tifid, infolding, remotely situated on the subpalliate margin of the back. 
Foot linear, grasping. H. eudactylota, sp. n., Torquay. Gosse, Ann. 
N. H. (4) XX. pp. 316-319, pl. xi. 
Tetliys leporina (L.). Observations on the living animal, its move- 
ments, and eggs ; R. Bergh, JB. mal. Ges. iv. pp. 335-339. 
Marionia, g. n. “ Corpus elongatum, lateribus compressis, pallio 
nullo ; velum parvulum, ramosum. Tentacula dorsalia ramusculis 
tenuibus condensis superne cincta. Branchiae ramosae, linea unica utrinque 
dorsi insertao. Maxillae corneae. Stomachus dentibus cultriformibus 
armatus.” Very much resembling Dendronotus, but the stomachal arma- 
ture is that of Scyllm. No species is named or described ns a typo, 
reference only being made to “ un curieux Tritoniad^ ” found in the Gulf 
of Marseilles, 50 metres. A. Vayssiere, C. R. Ixxxv. pp. 299-301 ; Ann. 
N. H. (4) XX. pp. 367 & 368. 
Lomanotus hancocJci, sp. n., Norman, Ann. N, H. (4) xx. p. 518, 
Torbay. 
