Class VI. SHELLS. 7% 



Div. III. TESTACEA, 



VERMES of the fofc kind, and fimple make, 

 commonly covered with a calcareous habitation, 



Div, I. Multivalve Shells. 



I. The animal, or inhabitant of its (hell, the Doris. CHITON, 

 The fhell plated, confiding of many parts, 

 lying upon each other tranfverfely. 



Sect. I. Multivalve Shells. 



Ch. TT7ITH feven valves^ thick fet with Crinitus. 



W fhort hairs ^ five-eighths of an inch 

 long. 



Of the natural fize. A. 1. magnified. 



Inhabits the fea near Aberdeen. Tab. xxxvi. 

 fig- *i 



Ch. with eight valves ; with a ferrated reflected Marginatum 

 margin, fmooth ; fize of the figure. Tab. xxxvi. N ' ATED , 



fig- 2. 



Inhabits the fea near Scarborough 



F 4 Ch. with 



