JOUKNAl. OF ENTOMOLOGY AND ZOOLOGY 



227 



EXPLANATION OF PLATES 



Plate I 

 C. geometrica (adult). X25 

 Figure L Body showing lengtli of segments. 

 Figure 2. First gnatiiopod. 

 Figure 3. Second gnatiiopod. 

 Figure 4. Fifth perzeopod. 



Plate IL 

 C geometrica (young male). X40 



Plate III 

 C. geometrica (young male) 

 X300. 



Maxillipeds 



Lip. X300. 



First maxillae. X300. 



Second maxillE. X300. 



Mandible. X300. 



First gnathopod. X175. 



Second gnathopod. X175 



Plate IV 

 C. septentrionalis 

 Figures 12, 13. Bodies, showing length of segments. 

 Figure 14. Mandible. XHO. 

 Figures 15, 16. Second gnathopods. X25. 



PLATE V 

 C. aquilibra Say 

 Figure 12. Body showing length of segments. X50. 

 Figure 13. Projection at base of second gnathopod. X150. 

 Figure 14. Second gnathopod. X150. 

 Figure 15. Fifth peraeopod. X150. 



