PLATE VIII . 



Fig. 43 



44 

 45 

 46 



47 

 48 



49 



50 

 51 



52 



53 

 54 

 55 

 56 



57 

 5« 



Eiitomobrya kmcaidi^T^. nov.; eyes of right side (X374)' 



" " " " left aspect of left hind foot (X 434)- 



" " " " left aspect of left mucro (X 434)- 



Tomocerus niger Bourl., type; right aspect of right fore foot (X 367)- 

 " " " " dental spines (X 200). 



" " " var. «;rc^/c«5 Schott; eyes of right side (X 367). 



" " " " " " right aspect of left hind 



foot (X367)- 



Tomocerus niger Bourl., var. arcticus Schott ; dental spines (X 200). 



" " " " " " doubled dental spines 



(X200). 



Tomocerus niger Bourl., var. arcticus Schott ; dental spines slightly ab- 

 normal (X 200). 

 Tomocerus niger Bourl., var. americattus Schott ; dental spines (X 200). 

 Papirius palmatus sp. nov.; eyes of left side (X 127). 



" " '< I' igft aspect of left hind foot (X 367)- 



" " " " left aspect of left mucro, etc. (X 200). 



Machilis arctica sp. nov.; dorsal aspect of head (X 28). 

 " " " " cuticular figure (X434)- 



(116) 



