194 INSECTS AFFECTING DOMESTIC ANIMALS. 
small-sized species, a little more than a millimeter in length. The 
head is rounded in front, narrower between the antennex, broadest near 
the posterior margin. The thorax is narrower, the abdomen in the male 
broadest near the posterior end and squarish behind; in the female 
more regular and broadest near the middle. It is whitish, with a 
rather broad brownish margin, from which prolongations extend 
inward upon the sutures. 
THE PEACOCK GONIOCOTES. 
(Goniocotes rectangulatus Nitzsch. ) 
This species, which shares with the Goniodes falcicornis the hospi- 
tality of the peacock, was first described by Nitzsch 
(Germar’s Mag., III, 294). It is a small species, about 
the size of the hologaster, which it resembles quite 
closely. The head is squarish, somewhat rounded in 
front, while the thorax and abdomen are short and oval. 
While less noticeable than the larger species associ- 
ated with it, it is probably no less abundant. 
GONIOCOTES OF THE PHEASANT. 
FiG. 115.—Goniocotes (Goniocotes chrysocephalus Giebel. ) 
rectangulatus —en- 
larged (after Pia- 
det This parasite of the pheasant was first described by 
Giebel in 1866 under the name of Goniocotes colchici, 
- which he afterwards changed to the above. It is said to resemble the » 
hologaster which affects the domestic fowl. It has not been recorded 
from America, but will probably be found on imported birds. 
BURNETT’S GONIOCOTES. 
(Goniocotes burnettii Pack.*) 
A species described by Dr. A. 8. Packard (Am. Nat., Vol. IV, 
p. 94) is apparently much less common than some of 
the other species common to the sadly infested barn- 
yard fowl. According to Dr. Packard’s description, it 
differs from the G. hologaster of Europe, which lives 
on the same bird, in the short second joint of the 
antenne, which are also stouter, and in the long 
head, the clypeus being much longer and more acutely 
rounded, while the head is less hollowed out at the 
insertion of the antenne. The abdomen is oval and re. 116.—Goniocotes 
one-half as wide as long, with transverse, broad, irreg- Te ee 
ular bands along the edges of the segments. The 
mandibles are short and straight, two-toothed. The body is slightly 
yellowish and variously streaked and banded with pitchy black. This 
“Probably identical with Lipeurus heterographus Nitzsch. (See p. 231.) 
