THE CANADIAN ENTOMOLOGIST. 189 



JJ. Head comb of 5 spines ; upper spines of head comb of same 

 length as lowest; pronotal comb of 14 spines on either side; 

 male claspers long, edges nearly parallel, slightly broadening 

 towards tips, obliquely cut off at ends ; colour, light brown ; 

 length of male, 2 mm. ; of female, 2.5 mm fratertia, n. sp. 



K. Vertex strongly produced, rounded, face retreating ; head with 

 numerous short, very strong, spine-like bristles, all pointing 

 downward and backward ; antennae with numerous bristles on 

 the third joint, arising from the lower third and exceeding the 

 joint, bristles on joint 2 very short ; mandibles exceeding the 

 anterior trochanters ; pronotal comb of 16 spines; leg spines 

 weak except on the tibise and anterior coxse; on the anterior 

 coxse they resemble those on the head ; hind femora without a 

 row of bristles on the side ; in middle tarsi joint 2 equals 5 ; 

 in hind tarsi joint i is longer than 2, 3 and 4 together, while 5 

 is a half longer than 3 ; abdominal segments each with one dor- 

 sal and one ventral row of bristles, each row with 4 or 5 bristles, 

 those in the ventral rows very strong ; claspers of male long, 

 linear, edges parallel, rectangular at the end ; colour, reddish- 

 brown; length of male, 1.5 mm.; of female,2.5 mm. .alpina, n. sp. 

 KK. Vertex evenly rounded from occiput to mouth, slightly flattened 

 above in male ; head with very few weak bristles ; bristles on 

 joint 2 of antennte longer than third joint, which is without 

 bristles ; mandibles attaining three-fourths of anterior cox-m ; 

 pronotal comb of 18 ro 22 spines; leg spines strong on tibire 

 and hind tarsi ; hind femora with a row of bristles on the side ; 

 in middle tarsi joint 2 is longer than 5 ; in hind tarsi joint i is 

 about as long as 2 and 3 together, while 5 is shorter than 3 ; 

 abdominal segments each with two dorsal and two ventral rows 

 of numerous bristles, the second dorsal row with 12 to 14 

 bristles, the ventral rows with nearly as many, ventral bristles 

 not stronger than dorsal ; male claspers long, linear, edges not 

 parallel, end somewhat obliquely cut off, rounded; colour, brown; 

 length of male, 2.25 mm.; of female, 3-3.25 mm., ainericana, n. sp. 



Typhlopsylla imipectinata, Tschb. 



1880. Taschenberg, Die Flohe, p. 91. 



Typhlopsylla octactenus, Kol. 



1856. Kolenati, Parasjt. d- Chirop;, p. 31 (Ceratopsyllus octactenus), 



