﻿HuTTON. — On the New Zealand Chitoniclse. 177 



terminal areas with radiating moniliform lines ; lateral areas of intermediate 

 valves with curved radiating ribs, concave behind, and crossed by curved 

 longitudinal furrows, which are concave upwards ; median areas slightly 

 longitudinally striated j dorsal line smooth and polished on the anterior parts 

 of the valves, but striated on the posterior parts. 



Length, 1 -5 inch ; breadth, -75 inch. 



Colour. — Mantle yellowish or greenish white, with about twenty transverse 

 black bands ; valves generally greenish black, passing into yellowish on the 

 back, and with a triangular black spot, with its apex pointing backwards, 

 along the dorsal line of all the intermediate valves. It is genei^ally much 

 eroded, but the size and colour of the scales on the mantle are always sufficient 

 to distinguish it from other New Zealand species. 



Abundant on rocks between high and low water marks. 



Chiton Sinclairi. 

 Chiton Sinclairi, Gray. " Dieif. New Zealand," Vol. II., p. 2G3. 



Oval ; mantle with moderate sized scales ; valves elevated and flattened on 

 the sides ; posterior margins straight, with a slight central pointy and 

 crenulated on the sides ; terminal areas with radiating moniliform ribs ; lateral 

 areas with flat, sub-moniliform, radiating ribs, crossed by a few irregular trans- 

 verse furrows ; median areas finely longitudinally striated on the sides, but 

 smooth and polished on the back. 



Length, 1'35 inch; breadth, -7 inch. 



Colour. — Mantle brown, transversely banded with black ; valves pale 

 brown, longitudinally varied with paler brown and black. The scales on the 

 mantle are smaller and flatter than those of j^sllis-serpentis. 



I have only seen one specimen which was in the collection of the late 

 Mr. W. Swainson ; locality not stated. 



Chiton Quoyi. 



Ch. viridis, Quoy (nee Cliemn.), " Yoy. AstroL," Vol. III., p. 383. Ch. 

 Quoyi, Desh., " Anim. sans Vert.," Vol. VII., p. 509. Ch. glaucus., Gray. 

 nee Quoy. et Gaim. Lophyrus glaucus, Angas, " Pro. Zool. Soc." 1867, 

 p. 222. 



Oval ; mantle with moderate sized scales ; valves elevated, flattened on each 

 side ; posterior margins slightly concave, with a small central point ; the 

 anterior valve, the greater part of the posterior valve, and the lateral areas of 

 the intermediate valves with fine radiating striae ; median areas very finely 

 longitudinally striated. 



Length, 1-5 inch ; breadth, '75 inch. 



