292 DESCRIPTIONS OF NEW CHITONS. 



A neat little shell of a dark olive-green colour, oval, ele- . 

 vated, nearly smooth in appearance, but finely striated ; mar- 

 gin lighter green than the rest of the shell ; inside blueish- 

 green. 



Chiton Cymhiola. (Con. lllus. fig. 45). 



Ch. testa carinata, laevi ; dorso elevato ; areis lateralibus acutissime ele- 

 vatis; margine squamoso. Long. 1^; lat. \^^ poll. 

 Cape of Good Hope. 



This species is smooth, strongly keeled, elevated ; the la- 

 teral areas are much relieved and separated from the central 

 areas by a sharp angle. The margin is scaly. Colour varies 

 from green to purple, brown, and grey zigzag markings on a 

 greenish or cream-coloured ground ; the inside is green. 



Chiton sculjptus. (Supp. PI. xvi. fig. 5). 



Ch. testa subelongata, depressa, antice sub-attenuata ; dorso rotuudato ; 

 areis centralibus Isevibus, ad latera striatis ; areis lateralibus, costis exfo- 

 liatis radiatim ornatis ; margine laevi. Long. ^ ; lat. t^, poll. 



Hab. ? Mus. Stainforth. 



A beautiful little shell, remarkable for'^the exfoliated sculp- 

 ture of the lateral areas, on each of which there are three 

 radiating series of strongly relieved lamina. The central 

 areas are nearly smooth, except at the sides, where they 

 are slightly striated. The margin nearly smooth, light brown, 

 irregularly striped with grey ; and the general colour is 

 creamy white. 



Chiton versicolor. (Con. lUus. fig. 75, 122). 



Ch. testa oblonga vix carinata, antice subattenuata : areis centralibus 

 ad latera striatis ; areis lateralibus radiatim striatis; striis ad margines ra- 

 mosis ; margine minutissime squamoso. Long. 1 ; lat. i, poll. 



Hab. ? Mus. Stainforth. Var. Alb. Dr. Stanger. 



This species is oval, oblong, rather narrower in front, the 

 central areas nearly smooth in the middle, and striated at the 

 sides ; lateral areas covered with slight radiating ridges, 

 which branch off towards the edges. The colours are suffi 

 ciently variable to justify the name given above ; several 

 varieties in the collection of Mr. Stainforth being variegated 

 with rose, green and grey ; and one communicated by Dr. 

 Stanger, nearly white, with grey spots. 



