( Kif^ ) 



1 J, Banff, Alberta, Jnly 2Gtb, 1899. Ochotona prim-cps. (G. F. Dippie.) 



a ??, Canadian National Park, August 17th, ISO'.i. Piitoiiuiilongicaudatus. 

 (G. F. Dippie.) 



2 ? ?, Canadian National Park, August 25th, 1899. Wood-rat. (G. F. Dippie.) 



1 (?, Red Deer, Alberta, August 20th, 19UU. Sciuriis ricl/ardsoni bailcyi. 

 (G. F. Dippie.) 



2 (?<?, British Columbia. Neotomc cinerea. (W. Wenmann.) 

 o 2 9 



5 (J (J, Carpenter's Creek, Mt. Cariboo, July 29th, 1901. Nrotonia cinerea 

 (h-itmmondi. (Allan Brooks.) 



26 ??, Carpenter's Creek, Mt. Cariboo, Jnly 29th, 1901. Neotoma cinerea 

 (Inimmomli. (Allan Brooks.) 



2 ? ?, Penticton, B.C., January 19U2. Ptitorius lonyicaiidatus. (G. F. Dippie.) 



12. Ceratophyllus nepos spec. nov. (PI. VII. figs. 13, 14). 



This is again a very close ally of C. sexdentatus and wickhami. 



Head. — The head is practically the same as in icichhami. The anterior row of 

 bristles on the frontal part nf the head is represented in the nude by three hairs, 

 and iu \h<t female by one small one placed near the autenual groove. The bristle 

 on the hinderpart of the head above the middle of the antennal groove is longer 

 than in sexdentatus. The rostrum is also longer than iu that species, especially the 

 last segment, which is nearly twice the length of the last but one. 



Thorax. — The prouotal comb consists of sixteen or seventeen spines. The 

 mesonotum bears a few small hairs laterally in front of the ordinary two rows of 

 bristles, and near the apex four hair-like spines on each side. 



Legs. — There are only two hairs on the inner side of the hiudtibia. 



Modified Segments. — $. The manubrium of the clasper is much slenderer than 

 in sexdentatus. The finger bears four spines, as in loickhami, but is much longer 

 (PI. VII. fig. 14). The proximal lobe of the ninth steruite bears a longer spine than 

 in jvicltkami, sexdentatus, and aeger, the anterior angle of this lobe being acute, as iu 

 aeger. The apical lobe is only a little longer than it is proximally broad. The 

 ein-hth tergite bears three bristles near the ventral edge, as iu icir/dtami, with an 

 additional short bristle close to the proximal one. Iu sexdentatus, agilis, and 

 aeger there are only two bristles in this position. 



? . The lobe of the seventh sternite is as long as in sexdentatus and agilis, but 

 broader, the sinus being consequently narrower (PI. VII. fig. 13). The eighth 

 tergite bears a few more hairs at the apex than in sexdentatus and agilis. 



As we have only one pair of this insect we do not know how far the dis- 

 tinctions mentioned will prove to be constant. 



We have 1 c? and 1 ?, Chilliwack, B.C., November 1st, 1899, from Spilogule 

 hifiJ'roHs, collected by Mr. Allan Brooks. 



1^!. Ceratophyllus acasti spec nov. (PI. VII. figs. 19, 20). 



Head. — The frontal notch is small. The uje-row consists of three bristles, the 



upper one being distant from the antennal groove, standing just in front of the eye. 



Above this bristle there is a nnmber of small hairs. The second row of bristles 



generally present in this genus is represented by a single short hair situated near 



