180 MONOGRAPH1A 



enlarged, having a black patch on the inferior margin, and 

 another on the external margin of the tibiae, second and 

 third pair long, with the femora involute ; tarsi chestnut. 

 Length <? If f 2. 



I am indebted to the liberality of Professor Burmeister 

 of Halle, for the opportunity of being able to figure this 

 fine species, who with his accustomed zeal for furthering 

 scientific investigations, forwarded me specimens obtained 

 from the Crane (Grus cinerea) in Germany. 



16. LIPEUBUS STAPHYLINOIDES. Denny. (Louse of the 

 Gannet.) 



Plate XV. Fig. 2. 



Pitchy black, smooth and shining ; head large, obtusely 

 triangular; antennae pale yellow, third joint tuberculous and 

 fuscous. 



Head large, obtusely triangular ; clypeus broad, ochra- 

 ceous, emarginate, with two depressions on the vertex, base 

 very convex and rotundate ; eyes pale brown, and promi- 

 nent ; antennae short, and sub-conical in the female, in the 

 male the first joint thick, sub- cylindrical, second long, gra- 

 dually tapering, third tuberculous on the inner edge at the 

 apex, fuscous brown, fourth and fifth very minute; protho- 

 rax transverse, deeply channelled ; metathorax subquadrate, 

 truncate behind, with a small fasciculus of hairs from the 

 angles of the lateral margin ; abdomen elongate, ovate, 

 somewhat depressed, very highly polished ; legs chestnut, 

 darker on the superior surface, anterior pair short and thick ; 

 femora subangular, the second and third pair long and 

 slender. Length 1 1J. 



A common parasite on the Gannet (Sula Bassana). It 

 has much the appearance of one of the smaller Staphy- 



