﻿178 Transact'! 071S. — Zoology. 



Co/t)Mr.— Generally dark olive green, or blackish green when dry, l»\xt 

 sometimes brown, or green rayed with brown, and the mantle is sometimes 

 varied with white. 



Common under stones in pools left by the retreating tide. 



Found also in Aiistralia. 



B. Scales minute ( Leindopleurus ). 



Chiton sulcatus. 



€h. sulcatus, Quoy and Gaim., " Yoy. Astrol." Ch. sulcatus, Desh., 

 " Anim. sans Vert.," Vol. VII., p. 512. 



Oval ; mantle with small scales ; valves depressed, slightly flattened on each 

 side ; posterior margins straight, crenulated on the sides ; terminal and lateral 

 areas finely granulate ; median areas with fine distant longitudinal ribs. 



Length, -4 inch ; breadth, -25 inch. 



Colour. — Mantle reddish brown ; valves whitish brown, dull. 



Specimens from Kapiti are in the Colonial Museum ; it is also found in 

 Australia. I do not feel quite sure as to the identification of this species, for I 

 have no Australian specimens for comparison, and the description in Lamark 

 is not very definite, but I think that the difierence between the two, if any, 

 must be very slight. 



Chiton longicymbus. 



Ch. longicymha, De Blain., " Sow. Conch. Mus," f 67. Lejoidopleurus 

 longicymha, Angas, "Pro. Zool. Soc," 1867, p. 222. 



Oblong ; mantle with very mimite scales; valves rounded; posterior margins 

 straight, or slightly concave ; terminal areas with fine radiating moniliform 

 lines ; lateral areas with radiating ribs crossed by rather deep, curved trans- 

 verse furrows ; median areas of both terminal and intermediate valves finely 

 punctate. 



Length, 1-4 inch ; breadth, '65 inch. 



Colour. — Brown, variously tinted with green, yellow, or whitish, sometimes 

 pink on the back when rubbed ; often entirely greenish brown, minutely 

 freckled with yellow ; often brown with a broad white stripe down the back. 



Very variable both in shape and coloui% 



Common under stones. 



Found also in Austi-alia. 



Chiton empleurus. sp. nov. 



Oblong ; margin with very minute scales ; valves rather elevated and 

 flattened on each side, sub-carinate ; posterior mai-gins slightly concave, with 



