418 



PROCEEDINGS OF THE NATIONAL MUSEUM. 



VOL. 53. 



Description. — The vomerines are always present in the female. 

 They are lost by the male at maturity. Their shape and position 

 as well as those of the parasphenoid series is as in ochrojpfmea. 



The mandibular dentition is as in ochropJiaea, save that the female 

 has a more flexuous outhne of the jaw than does the female in that 



FiQ. 15. — Ranges of 1, Desmoqnathus ochrophaea ochrophaea; 2, D. ocheophaea caboli- 

 NENsis. Dotting shows abea of inteegradation. 



species. The shape and proportions of the tail are just as in ochro- 

 pJiaea. There are 14 costal grooves. The proportions of the head 

 are those of ochrophaea. There is always a tubercle canthus ocuh. 

 The skin of the head is usually finely rugose as in specimens of 

 quadrimaculata and monticola from the North CaroHna mountains. 



The color is variable. Old specimens are uniformly black. As 

 a rule the dorsal color is intermediate between that of ochrophaea and 

 that of the/usca group. Thus there is a very dark lateral band 



