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TROF. C. L. BOULKNGER ON FILARIID 



Genus Filaria Mueller, 1787. 

 FiLARiA SUBCUTANEA V. Liiistow, 1899, 11011 Paroua., 1894. 



A number of specimens of this species were obtained from the 

 subcutaneous tissue of the Canadian Porcupine, Ereihizon 

 dorsatum. 



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

 obtained from the same host in the Berlin Zoological Gardens, 



Text-fie'ure 1. 



Filaria siibcutanea v. Linst. 



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



i., intestine; M.r., nerve-rino;; oe., oesophagus ; •««., vagina; wt., 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 

 F. martis Gmelin, the species generally regai'ded as the type- 

 species of the genus Filaria s. str. 



My account of F. siibcutanea will be found to diSer in some 

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



