L>4 INSECT PARASITES. 



end of abdomen slightly bifurcate. Head wider than 

 long ; in the female the first joint of the antennas 

 is most developed, there is also a long hair on the 

 inner side. On the posterior border of the meta- 

 thorax are five bristles ; in the abdomen there are 

 two median bristles and three at the sides of the 

 anterior segments, four at the posterior ; each seg- 

 ment has also a curved marginal dark mark. Length 

 in 2 , 2*5 mm. ; in rf , 2 mm.* 



This is an abundant species on most varieties of 

 fowls, and is especially located under the wings and 

 on the rump. According to Denny | ; whose work 

 appeared some time ago, this species is rare. It 

 seems to be more abundant in the South than the 



North of England. 



Fig. 5. 



Goniocotes hologaster. 



(2) Goniocotes hologaster (fig. 5). — This species is 



* A millimetre (mm.)=^sth of an inch. 



t Monographia Anoplurorum Britanniae, 1842. 



