GASTROPODA (nUDIBRANCHIA). Moll. 37 
spp, nn., Abraham, Ann. N. H. (4) xviii. pp. 136 & 137, pi. vi. figs. 
2&3. 
Doris glabra^ sp. n., Friele, Forh. Selsk. Chr. 1875, Norway. 
Calycidoris^ g. n. Branchias retractile in a pallial cavity, as in 
Doris. Oral veil, buccal gizzard, and radula as in Lamellidoris. C. 
guentheri, sp. n., Abraham, Ann. N. H. (4) xviii. pp. 132 & 133, pi. vi. 
fig. 1, locality unknown. 
Goniodoris danielsseni, sp. n., Friele, 1. c. Norway. 
Plocamophorus ncevatus, sp. n., Abraham, 1. c, p. 139, pi. vi. fig. 4, 
New South Wales. 
Ceratosoma caledonicum, P. Fischer, J. de Conch, xxiv. p. 92, New 
Caledonia; C. tenue^ locality unknown, brevicaudatum^ Australia, and 
oblongum, West Australia, Abraham, L c. pp. 141-144, pi. vii. figs. 5-7 : 
spp. nn. 
Trevelyana concinna^ sp. n., Abraham, Z. c. p. 145, pi. vii. fig. 8, Suez. 
Tritoniid.®. 
Tetliys. An anatomical description, chiefly of the nervous system, 
intestine, sexual organs, and kidney, and pointing out the simple primi- 
tive character of those organs in comparison with other Nudihranchia. 
H. V. Ihering, Morph. JB. ii. pp. 27-62, pi. ii. 
An error made by Lacaze-Duthiers concerning its worm-like appen- 
dages corrected ; id. JB. mal. Ges. iii. p. 160. 
iSoLIDIDiE. 
Acanthopsole, Trinchese, Mem. Ac. Bologu. 1874 (3) v. with pi, = 
Facelina (Aid. &,Hanc.) ; F.gigas (Costa), from Naples; and drummondi 
(Thomps.), anatomically described by R. Bergh, Yerh. z.-b. Wien, xxvi. 
pp. 762-757, pi. xi. 
Spurilla neapoUtana (Delle Ghiaje, as ASolis), from Naples, anatomi- 
cally described ; id. 1. c. pp. 758-761, pi. xii. 
Ercolania viridis (Costa), and Goryx>hclla argentco-lineata (Costa), 
Naples ; anatomical figures by Bergh, Z. c. pis. x. figs. 12-14, xi. figs. 
I, 2, 12, 13, & xii. figs. 1, 13, 14. 
Phyllobranchid.®. 
R. Bergh arranges the known genera and species as follows : — 
Phyllobranchus (Aid. & Hanc.). “ Anus lateralis ; podarium con- 
tinuum ; radula hamo infra applanato, marginibus denticulatis, infra 
fasciam spiralem formans ; ingluvies elongata ; penis longior, inermis.” 
Including Lobifera (Pease, 1866) and Polybranchia (Pease, 1860), 5 
species. Red Sea, Philippines, Pacific, and (part) West Indies. 
Cyerce (Bergh). “ Anus dorsalis ; podarium transversaliter bipartitum ; 
radula hamo infra applanato, marginibus denticulatis, infra acervum 
irregularem formans ; ingluvies brevier ; penis sat brevis, hamo vel 
stylo instructus.” 2 species, Lobifera nigricans (Pease, 1866) = Cyerce 
nigra (Semper, 1873), from the South Sea. 
187G. [voL. XIII.] F 4 
