ANNULOSA. 



65 



(Grube, Ueber den Bau von Peripatus Edwardsii, Archiv fur Anat., 1853; 

 Moseley, On the Structure and Development of Peripatus Capensis, Proc. 

 Roy. Soc., and Ann. Nat. Hist, 1874.) 



Fig. 60. Onychopoda. Peripatus Capensis. (After Moseley.) 



CLASS IV. INSECTA. 



SUB-CLASS I. AMETABOLA (Aptera). 

 OEDER I. ANOPLURA. 



Fam. a. Pediculidse (Lice). Pediculus, Phthirius. 



ORDER II. MALLOPHAGA (Bird-lice). Trichodedes, Doco- 

 phorus (fig. 61). 



B 



Pig. 61. Morphology of Aptera. A, Pediculus humanus capitis; B, Docophorus hamatits, 

 one of the Bird-lice ; c, Campodea; D, Degeeria, one of the Poduridte; E, Scale of a Podurid, 

 as seen under the microscope ; F, Degeeria purpurascens. All the figures are greatly en- 

 larged. (After Packard and Gervais.) 



E 



