Par CHITONID#. 
C. sulcatus, Quoy; Voy. Astrolabe, iu., p. 385, pl. 75, Ff 31-36 
(not of Wood, nor ‘of Reeve ;) Hutton, l.c.,p. 178. Body elongato-oval ; 
greenish ; mantle scaly ; valves sub-triangular, sulcated, the sides granu- 
lose and white ; ; posterior valve broad, g granulosely sulcated (Quoy.) 
King George’s Sound. Auckland. 
The mantle is narrow; the scales greenish, with a small brown spot 
on each. Valves rounded ; the anterior simply granulose, with eleven 
or twelve teeth. 
G inseulptus, 4: Adem PZS:, e8sen peor, £2) 16; 2 Az 
Shell oblong, much elevated, terminal valves, and the lateral areas of the 
others radiately ribbed ; ribs granular, the granules transverse, rather 
crowded, obsolete at the margins; umbones keeled ; anterior terminal 
valve umbonated ; median areas longitudinally strongly lrated ; lire 
obsoletely rugoso-granuled ; median areas red, with two blackish-brown 
parallel lines down the centre of the valves; mantle with brownish- 
yellow and brown scales ; scales smooth, shining, convex (Adams.) 
New Zealand, on dead shells in deep water. (Strange.) 
C. glaucus, Gray; Spic. Zool., 1830, p. 5; C. guoyt, Deshayes, 
Anim. sans vert., Vi., p. 509; Reeve, Conch. Ic., f. 68; C. viridis, Quoy 
(nec Chemnitz ;) Voy. Astrolabe, ii., p. 383, p24. 71, f. 23-28. 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 strie ; median areas 
very finely longitudinally striated ; generally dark olive-green, or black- 
ish-green when dry, but sometimes brown, or green rayed with brown, 
and the mantle is sometimes varied with white. 
Length, 1°5; breadth, °75. 
Common under stones in pools left by the retreating tide. Auck- 
land to Dunedin. Found also in Australia. 
Perhaps a variety of C. chzlolensts. 
C. ereus, Reeve, Conch. Ic., f. 36; Voy. Erebus and Terror, Moll, 
pl. 1, f.9. Shell oblong, ovate, angularly raised in the middle; valves 
rudely impressly striated throughout ; umbonal eminence smooth ; dull 
green ; ligament granosely coriaceous (Reeve.) 
Genus, LEPIDOPLEU RUS— Risso. 
Mantle covered with minute, flattened, longitudinally grooved 
scales. Shell with the valves external, broad; the hinder valve with the 
apex sub-central ; the plates of insertion of the valves thin and smooth 
edged, those of the central valves with a single notch in some species, 
in others four or five lobed ; laminz of insertion of the terminal valves 
many lobed. 
L. canaliculatus, Quoy,; Voy. Astrolabe, i1., p. 394, pl. 75, f- 
37-42. Elongated, elevated, strongly keeled ; Wises ‘triangular, longitu- 
dinally sulcated, crenulated posteriorly ; ; mantle with fine scales (Quoy.) 
