98 MONOGRAPHIA 



ovate in the female, white, the lateral fasciae bright ferru- 

 ginous, shading into deep pitch or liver colour, in the male 

 nearly orbicular, the fasciae longer and converging, so as 

 frequently to unite in the centre ; legs pale, ferruginous, 

 long, thick ; ungues darker ; anterior femora large and angu- 

 lar, posterior curved internally, concave. Length to 1. 



This species, which 1 find common on the Cuckow (Cu- 

 culus canorus), I have received from Mr. Tweedy of Truro, 

 and Mr. Doubleday of Epping ; the latter also sent me the 

 same species taken by him from a Wryneck (Yunx tor- 

 quilla). 



43. DOCOPHORUS FUSCICOLLIS. (Louse of the Cinereous 



Shrike.) 

 Plate I. Fig. 7. 



Head and thorax dull chestnut, smooth and shining, the 

 former obtusely triangular, anterior part with an acumi- 

 nate depression ; abdomen greyish white, lateral fasciae liver 

 brown. 



Doeophorus fuscicollis. Burmeister Handbuch ii. pt. ii. p. 425. sp. 10. 

 Head obtusely triangular, anteriorly deeply notched, with 

 a large acuminate depression, bordered with pitchy black, 

 and two broad diagonal bands, from the trabeculse to the 

 occiput, where they are united by a transverse band ; trabe- 

 culae large, strong, and curved; antennae pale chestnut; 

 eyes flat, obscure, pale fulvous ; prothorax about half the 

 width of the head, nearly quadrate, lateral margin dark 

 pitch colour, centre depressed, posterior margin rotundate ; 

 metathorax the width of the head, lateral margin nearly 

 rectangular, posterior semicircular, margined with pitchy 

 black ; abdomen ovate, greyish white, the first seven seg- 

 ments with deep liver-coloured lateral fasciae, the eighth 



