118 



MISS M. L. HETT Off 



and the postero-ventral margin of each ring has a slight pro- 

 jection in the median line instead of an indentation. Further, 

 Wyman gives the number of rings in the male of P. armillatus as 

 "14 distinct rings and 4 partly defined," while here there are 26. 



(5) The anal segment is more obtuse. 



Through the courtesy of the authorities at the British 

 Museum (Natural History), I was able to look through a small 

 collection of Pentastomids in their possession. Among these 

 specimens was one unnamed, from the horned viper or puff-adder. 

 From a superficial observation it appeared to agree in all respects 

 with the species described above. 



2. PoROCEPHALUS GLOBICEFHALUS, Sp. II. (Text-fig. 3.) 



A single mature female specimen from the lung of the 

 Mocassin Snake (Tropidonotus fasciatus). 



Text-figure 3. 



Porncephaliis globicephahis, $. X 2. 



The length of the body is 50 mm, and the number of 

 annulations is about 50, 



