Fig. 



i. 



Fig. 



2. 



Fig. 



3- 



Fig. 



4- 



Fig. 



5- 



Fig. 



6. 



Figs 



• 7a 



Fig. 



8. 



Fig. 



9- 



Fig. 



IO. 



Figs 



. ii 



Fig. 



12. 



Fig. 



i-3- 



Fig. 



14- 



Fig. 



i5- 



Fig. 



16. 



Fig. 



i7- 



Plate V. 



Sternal plate of Linognathoidcs montamis (Osborn) from Ci~ 



telhis bcecheyi douglasi. 

 Sternal plate of N eohaematopinus sciuropterus (Osborn)." 

 Sternal plate of N eohaematopinus paciiicus n. sp. from Euta- 



mias toivnsendi ocrogenys. 

 Sternal plate of Euhaematopinus abnormis Osborn. 

 Sternal plate of Fahrenholzia pinnatct n. sp. 

 Claw of posterior leg of Fahrenholzia pinnata n. sp. 

 7a and 7b. Antennae of male and female of A 7 eohaematopinus pa- 

 cificus n. sp. from Eutamias townsendi ocrogenys. 

 Claw of posterior leg of Hoplopleura acanthopus var. occiden- 



talis n. sp. 

 Antennae of Euhaematopinus abnormis Osborn. 

 Antenna of male of N eohaematopinus antennatus (Osborn). 

 11a and lib. Antennae of male and female of Polyplax spinulosa 

 (Burm.). 

 Antenna of female of Haemodipsus ventricosus (Denny). 

 Antenna of male of N eohaematopinus scinropteri (Osborn). 

 Antenna of female of Hoplopleura hesperomydis (Osborn). 

 Antenna of male of Lino gnathoides inornatus n. sp. 

 Antenna of male of Fahrenhohia pinnata n. sp. 

 Antenna of female of Enderleinellus osborni n. sp. 



