108 MONOGRAPHIA 



55. DOCOPHORUS RUBECUL.E. (Louse of the Redbreast.) 



Plate II. Fig. 2. 



Elongate; head and thorax chestnut-yellow, margin of 

 the latter deep liver-colour; abdominal fasciae deep chestnut, 

 short and subtruncate; last three joints of the antennae 

 chestnut. 



Nirnms Rubeculae. Leach MSS. I 



Head triangular ; clypeus produced, entire, with two semi- 

 circular lines uniting arid extending to the centre of the 

 vertex, two diagonal liver-coloured bands ; trabeculae large, 

 abruptly acuminate ; antennae long, slender, pale fulvous 

 yellow, the last three joints chestnut; prothorax long, sub- 

 conical ; base rotundate, lateral margin pitchy black ; meta- 

 thorax the width of the head, transverse, lateral margin 

 convex, base sub-truncate ; abdomen elongate ovate, white 

 and hairy, the lateral fasciae very short, sub-truncate or ob- 

 tuse, deep chestnut, stigmatic apertures white ; legs pale 

 chestnut, thick, apex of tibiae dusky ; anterior femora secu- 

 riform. Length f . 



I have found this species on the Red-breast (Sylvia 

 Rubecula), and Rev. L. Jenyns has sent it to me from the 

 Chaffinch (Fringilla ccelebs), and the Snow Bunting (Em- 

 beriza nivalis) . 



56. DOCOPHORUS PLATYSTOMUS. (Louse of the Buzzard.) 



Plate IV. Fig. 7. 



Bright chestnut; head large; clypeus broad, deeply emar- 

 ginate ; abdominal fasciae chestnut and acute ; apices dusky. 



Docophorus platystomus. Burmeister Handbuch ii.pt. ii. p. 426. spe. 13. 



Head and thorax bright chestnut, shining and smooth, 

 the former large, sub-triangular; clypeus broad, deeply 



