492 



PROF, C. L. BOULl^NGEIl ON FILARIID 



Genns Filaria Mueller, 1787. 



FiLARiA SUBCUTANEA V. Linstow, 1899, lion Pai-oiia, 1894. 



A number of specimens of this species were obtained from the 

 subcutaneous tissue of the Canadian Porcupine, Krethizon 

 dorsatum. 



This species, whicli is known only from the type-specimens 

 obtained from the same host in the Berlin Zoological CJnrdens, 



Text-figure 1. 



Filaria suhcutanea v, Linst. 

 Lateral view of tlie anterior extremity of female. X 38. 

 i., intestine; n.r., nerve-rinp:; oe., oesophagus; va., vagina; vu., vulva. 



is of special interest, for, as pointed out by Hall (1916), there is 

 reason to believe that F. suhcutanea v. Linst. is a synonym of 

 1^. martis Gmelin, the species generally regarded as tlie type- 

 species of the genus Filaria s. str. 



My account of F. suhcutanea will be found to differ in some 

 respects from that given by v. Linstow, yet I think there is little 



