some new and peculiar }foUHsca. 337 



DorididaB. 



Doris repand/t, Alder and Hancock. 



Ihrix repandii, A. it II. in Ann. & Mag. Nat. Ili-it. ser. 1, ix. p. 32 

 (1842). 



Body oblonp^, lemon-coloured : mantle thickly covered with 



small rouiul tuhorcli's of (liffi'rcnt sizes: dorsal tentacles re\ra.c- 

 tile, sliort, elegantly convoluted or fluted in an obliquely spiral 

 direction, one on each side near the front ; they are of a light 

 brown colour : ei/cf not discoverable : foot oblong : veyit or 

 anal opening small, fringed. Floats on its back. Spawn 

 deposited on the stalks and fronds of Fucns nodosiis. 



Godhavn, .5 fms. From Spitzl)ergen (Kroyer,^c?e Morch) 

 to (Calvados in the Nortli of France (Fischer). 



According to Loven this is the D. obvelata of 0. F. ^liillcr. 



Doris btlamellataj Linnd. 

 iJoris bilamelittta, Linn. Syst. Nat. ed. 12, p. 1083 (1767). 



Body yellowish-white : mantle thick, streaked or blotched 

 with brown, and covered with numerous tubercles of different 

 sizes: head of the same breadth as the foot, and semicircular: 

 tentacles retractile, pale orange, laminated in two unequal divi- 

 sions : eyes, none observable: /oo^ large, rounded in front, and 

 bluntly pointed or angulated behind : vent encircled by nume- 

 rous tentacular processes which vary in size and length and are 

 retractile. Floats in a supine position. Spawn semiconvo- 

 luted. 



Station 4, 20 fms. ; Waigat Strait, at low water. Green- 

 land and Iceland to the north-west of France, and on the 

 ea.stern coasts of the United States. 



For the synonymy see the late Mr. Alder's remarks in 

 ' British Conchology,' vol. v. p. 90 ; to which may be added, 

 on Miirch's authority, D. mnricata of ^I. Sars, not of Miiller, 



PTEROPODA. 



Shells of these oceanic " butterflies " were found every- 

 where during the expedition in deep water ; and a few species 

 were taken alive in the tow-net. Among the former I may 

 mention Limacina reticulata, D'Orbigny (Spirialis clathrata, 

 Sou\eyctj = Pcracle physo'ides, Forbes, = >S'. recur virostra, A. 

 Costa), L. halea, Mollcr, L. retroversa, Fleming, and L. 

 hulimoides, Soulcyet, besides well-known species of Caro- 

 lina {Hyakea) and Clio (Clcodora). The only Pteropod 

 which 1 consider new to science will be now described ; and 



