m 



FUSCUS. 



NIGER. 



OCHROPH^US. 



PERSIMILIS. 



Dwn. 



Black. 



Yellowish. 



Black. 



,rbled. 



Black. 



Dirty White. 



Plumbeous. 



d. 



None. 



Brown. 



Gray. 



mite or None. 



None. 



Dots. 



Irregular. 



ne 



None. 



Yellow. 



None. 



und. 



Round. 



Round. 



Truncate. 



w or None. 



Distant. 



Few or None. 





karate. 



Contiguous. 



Distant. 





isthocoelous. 



Ophisthoccelous. 



Opisthoccelous. 





urteen & Fifteen. 



Twelve. 



Fourteen. 





tig and Free. 



Long and Free. 



Short and Free. 



Free. 



ne. 



None. 



None. 





inches. 



6 inches. 



3 inches. 





lines. 



5 lines. 



1-5 inch. 





S. east of the Miss. 



U. S. east of the Miss. 



Pennsylvania. 



Siam. 





