78 Moll. 
MOLLUSCA. 
Facelina vicina, Bgh., F. bostoniensis (Couth.), and F. mcesta , sp. n., 
anatomically examined; id. t. c. pp. 44-46, pi. vi. figs. 12 & 13, pi. vii. 
figs. 14 & 15. 
Favorinus versicolor , Costa, remarks on ; id. t. c. pp. 41 & 42. 
Flabellina ciffinis (6m.), notes on ; id. t. c. pp. 51 & 52. 
Govia, g. n. Body elongated, as in JEolidiidce ; head with four or five 
digitiform marginal papillae; dorsal papillae in a single series along the 
margins, and armed with smaller shorter triangular papillae ; no cnido- 
phorous sac, cnidocysts on the convex aspect of the dorsal papillae. Man¬ 
dibles with short masticatory process, with a single row of teeth, three 
anterior smooth, others with minute tubercles. Radula triseriate ; anal 
papillae laterodorsal; renal cellules scattered in the dorsal integument; 
genital papilla with tw T o openings ; penis short, conical, unarmed ; cere¬ 
bral ganglia fused with visceral ; rhinophores perfoliate. For G. viridis , 
G. rubra , spp. nn., Bay of Naples ; Trinchese (357). 
Spurilla neapolitana (d. Ch.) var., Trieste : notes on appearance and 
anatomy; Bergh, (16) p. 29. 
Tkitoniid^. 
Adalaria sibirica, sp. m, N. Siberia, Aurivillius, (9) p. 372, pi. xiii. 
fig. 19. A. tschuktschiana , sp. n., Behring’s Sea, Krause, (216) p. 296, 
pi. xvii. fig. 5. 
Tritonia psoloides, sp. n., Arctic Ocean, Aurivillius, t. c. p. 373, pi. xiii. 
fig. 20. 
POLYCERID2E. 
Polycera quadrilineata, 0. F.Mull., described, with anatomical details ; 
Jhering, (200) p. 16. 
Aegires leuckartii, Yer., anatomy of ; id. t. c. p. 24. 
Triopa clavigera , 0. F. Miill. : anatomical notice ; id. t. c. p. 32. 
Euplocamus croceus, Phil., id. t. c. p. 35. 
Drepania graeffei , Bgh., D. tartanella, sp. n., Naples, id. t. c. p. 37. 
Goniodoridid^]. 
Idalia mediterranean sp. n., Naples, id. t. c. p. 39. 
TECTIBRANCHIATA. 
Tectibranchiata, anatomy of ; Vayssiere (364). [See also p. 24, anted] 
Act^onidj:. 
Actceon puncto-striatus (Adams), Stimpson, figured by Bush, (60) p. 467, 
pl.xlv. fig. 17 ; A. hebes, sp. n., Verrill, (367) p. 428, pi. xliv. fig. 15, 
off Chesapeake Bay, 2500 fath ; A. ( Amathis , A. Ad.) senegalensis, sp. n.. 
Gor£e, Senegal, Maltzan, (246) p. 29. 
Tornatella vagabunda , sp. n., Magellan’s Strait, Mabille, (239a) p. 208. 
