THE 
CONCHOLOGIST’S 
Book of Spertes. 
MOLLUSCA. 
GASTEROPODES. 
LES PHYLLIDIENS. 
CHITONELLUS. 
Body creeping, elongated, with the middle of the 
back adorned its whole length with detached 
testaceous plates, the alternate ones principally 
longitudinal ; sides naked. 
ciavis. W. 1.39. 
CHITON. 
Body creeping, oval-oblong, convex, rounded at 
both ends, and margined with a _ coriaceous 
skin; the back covered with a _ longitudinal 
series of testaceous plates, which are transverse, 
imbricated, and mobile. 
C.squamosus. Olive; with eight semi-stri- 
ated valves; margin shagreened, with light-green 
and dark-olive scales. 134. E. M. 162. 5,6. 
