60 Moll, 
MOLLUSCA. 
20 metres, spp. nn., and new localities for several known species ; 
Morlet, J. de Conch, xviii. pp. 161-100, most of them figured, pi. v. 
figs. 1 & 3-7. 
BuLLIDiE. 
An historical note on the knowledge of this family and comparative 
anatomical description of several genera (infra) by A. Vayssiere, Ann. 
Sci. Nat. (6) ix. Art. 1, 123 pp. 12 pis. Abstract of the anatomical 
description in J. R. Micr. Soc. iii. pp. 766-770. 
Cylichna zealandica, sp. n., Kirk, Tr. N. Z. Inst. xii. p. 307, and Ann. 
N. H. (5) vi. p. 15, Waikanao, New Zealand. 
Balia (Ilaminea) hydatis (L.). Comparative anatomical description 
by Vayssiere, 1. c. pp. 77-113, pis. xi. & xii. figs. 102-119. Eyes well 
developed. 
Scaphander lignarius (L.). Comparative anatomical description ; id.l.c. 
pp. 76-113, pis. X. & xi. figs. 85-102. Eyes atrophied. 
Philine aperta (L.). Comparative anatomical description : id. 1. c. 
pp. 75-113, pis. viii.-x. figs. 70-84. Eyes atrophied. 
Gasteropteron mechelii (Kosse). Full anatomical description ; it has a 
very small internal shell, 4-6 tenths of a millimetre, nautilus-shaped, 
of 1^ whorls (pi. i. fig. 3), containing a part of the liver, and continued 
into a membranaceous plate which is situated in a cavity within the 
mantle ; eyes imbedded within the skin ; some anatomical particulars of 
more general interest are mentioned in the general part. Id. 1. c. 
pp. 14-72, pi. i. fig. 6. 
Doridium meclcclii (Delle Chiaje). Comparative anatomical description ; 
id. 1. G. pp. 73-113, pi. vii. figs. 56-69; internal shell forming scarcely one 
circumvolution and continued into a membranaceous plate, fig. 58 ; eyes 
imbedded within the skin, p. 111. 
Doridium cyaneum (Martens, 1879) var. n. vittatam, and D. gattatum, 
sp. n., Martens, Moll. Maur. pp. 305 & 306, Mauritius, where, as in the 
Mediterranean, a striped and a spotted species (?) occur in the same 
locality. 
Chelidonura hirundinina (Q. & G.). Figures of living animal and 
variety by Mobius, in Martens's Moll. Maur. p. 305, pi. xxi. figs. 5 & 6, 
Mauritius. 
APLYSlIDiE. 
Aplysia dactylomela (Rang). Specimen from Bermuda described, and 
radula and armature of the stomach figured ; Dobson, J. L. S. xv. 
pp. 159 & IbO, woodcuts. 
Aplysia nigro-cincta, sp. n., and tigrina (Rang), both from Mauritius, 
described. Martens, Moll. Maur. p. 307, the first pi. xxi. fig. 3. 
Aplysia tryoni^ sp. n., F. H. Meinertzhagen, Tr. N. Z. Inst. xii. pp. 270 
&271, Waimarama, Hawke’s Bay, New Zealand. 
Notarchus indicus (Schweigger). Description and figures from living 
specimen ; Mobius, in Martens’s Moll. Maur. p. 307, pi. xxi. fig. 4. 
Aclesia cirrifera and striata (Q. & G.), from Mauritius ; id. 1. c. p. 308.' 
