84 MONOGRAPHIA 



(Uria Troile), and have received specimens from my bro- 

 ther, taken off the Dotterel (Charadrius morinellus) and 

 Ringed Plover (Charadrius Hiaticula). 



25. DOCOPHORUS FUSIFORMIS. Denny. (Louse of the 

 Little Stint.) 



Plate I. Fig. 2. 



Head and thorax bright chestnut, the former large, elon- 

 gate, sub-cuneiform ; abdomen acutely ovate, pitchy brown. 



Head large, sub-cuneiform, very much produced in front, 

 deeply notched, with an ovate depression extending to the 

 centre, contracted before the eyes, temporal region convex 

 and large, base rotundate truncate, with two depressed lines 

 proceeding from the occiput ; trabeculae yellow brown, 

 short, and strong ; antennae cylindrical ; prothorax trans- 

 versely conical, base rotundate ; metathorax not so wide as 

 the head, anterior margin convex and rotundate, posterior 

 angular, ciliated with stiff hairs; abdomen acutely ovate, 

 pitchy brown, the last two segments ferruginous, segments 

 deeply emarginate ; legs long, fulvous yellow. Length J . 



Communicated by Mr. Thompson from Belfast, who 

 took the specimen off the Little Stint (Tringa minuta). 



26. DOCOPHORUS CANUTI. Denny. (Louse of the Knot.) 



Plate III. Fig. 5. 



Head and thorax chestnut, the former very long cunei- 

 form; abdomen oval, deep liver brown, segments emar- 

 ginate. 



Head bright, chestnut yellow, elongate, cuneiform, lateral 

 margin concave, front with a sublanceolate depression, ex- 

 tending to the centre of the vertex, two transverse deep 



