Dr. E. F. Kelaart on new species of Ceylonese Mollusca, 491 



seven small clusters, the anterior ones composed of thirty- 

 four or more branchiae ; the others of two, rarely of three ; 

 becoming smaller as they approach the tail. Foot linear, 

 white, transparent, slightly expanded in front. 



Found among sea-weed in Back Bay, Trincomalee. 



Eolis effulgenSj KeL 



Tentacles four -, two dorsal moderately long, laminated obliquely, 

 dark orange tipped with white ; the two anterior ones orange, 

 with a whitish spot in centre and tipped with white ; a dark 

 shade behind dorsal tentacle. Branchiae in five or six clusters 

 on each side of back, the anterior clusters consisting of twelve 

 or fifteen narrow obtusely pointed branchise ; orange-red at 

 base, ringed with white and orange, tip white, a bluish line 

 running longitudinally for nearly two-thirds of its length. 



Found in great number in Dutch Bay, and other parts of the 

 sea near Fort Frederick. Spawns in June and July. Ova 

 white, in narrow thready coils. 



Eolis PaulincBf Kel. 



Tentacles four; two dorsal red, wrinkled; the two terminal 

 tentacles pinkish, tip red, base white. Branchise reddish, 

 numerous, short ; the anterior ones have a whitish central ring 

 and are tipped with red ; the posterior ones of a redder colour, 

 more broadly tipped with red, the central white ring less di- 

 stinct. Foot expanded, with a short triangular-pointed process. 

 Length 3^ lines. 



Eolis tristisj Kel. 



Four tentacles ; two dorsal about half the size of the two 

 anterior ones, white with blackish rings. Body white; an 

 interrupted blackish line on each side of back. Branchise 

 in clusters of three or four, short, pointed, white, and ringed 

 with black. Foot slightly expanded, and notched anteriorly. 

 Length about 3 lines. 



Found on sea-weed in one of my aquaria. Ova white. 



Eolis nodulosa^ Kel. 



Four tentacles; opake white; dorsal long, pyramidal-pointed, 

 with three nodular rings ; oral tentacles short, narrow-pointed, 

 white with a yellowish shade. Head and back white. Bran- 

 chise in five small clusters on each side, long, nodular, obtusely 

 pointed, opake white, and spotted indistinctly with light 

 orange-brown; base darker. Foot slightly contracted anteriorly. 

 Length about ,} an inch. 



