30 C. F. ROUSSELET ON LITTLE-KNOWN PTERODINA. 



Fig. 2a. Pterodina chj'peata, dorsal view. Size of lorica : lengthy 



yfg- in. (150 /x); width, 



in. 



(102 /.). 

 26. „ ,, ventral view of lorica. 



2c. 5, „ transver.se section of lorica. 



2(i. „ „ the jaws. 



3. „ intermedia. Mr. Anderson's figure. Size of 



lorica : length, j4oii^- (^^^ Z^)* 

 4«. „ elliptica, dorsal view. Size of lorica : length, 



-^^ in. (204 /x); A\'idth, ^i^ in. 

 (136 /x). 

 ,, ventral view. 

 „ side view of lorica. 

 ,, transverse section. 

 ,, male, side view. 

 ,, ,, ventral view. 



reflexa, dorsal view. Size of lorica : length, 

 y|y in. (150/x); width, ^i^ in. (98 /x). 

 ,, ventral view of lorica. 

 „ transverse section. 

 hidentata. 



IxiTva. Mr. Ternetz's figure. 

 incisa. „ „ ,, 



„ transverse section. Mr. Ternetz's 

 figure. 

 „ 9. ,, trilohata. Mr. Shephard's figure. 



Of the above figures la and e, la, h, d, 4:a, b, e, f, 6a and 6, 

 have been drawn from life by Mr. F. R. Dixon-Nuttall in his 

 usual excellent style ; figs. 3, 7, 8 and 9 are copied from Messrs. 

 Anderson's, Ternetz's, and Shephard's published drawings ; and I 

 am responsible for the remainder. 



