106 MONOGRAPHIA 



with the lateral and sutural margins darker ; ungues 

 chestnut. 



Docophorus incompletus. Nitzsch. Germ. Mag. iii. p. 290. spe. 13. 



Head large, triangular; occiput concave, from which 

 passes two diagonal curved lines to the antennae ; eyes black ; 

 antennae short, thick, and cylindrical; trabeculae short and 

 conical; prothorax transverse, posterior margin semicircular; 

 metathorax the width of the head, broadest at the base, 

 lateral margin rotundate, posterior truncate, slightly sinu- 

 ated in the centre ; abdomen cylindrical, apex ovate, first 

 segment deeply sinuated with a fuscous spot on each side, 

 lateral margin darker; legs pale tawny yellow, rather thick; 

 anterior femora very large ; ungues chestnut. Length 1 to . 



I suspect this to be the incompletus of Nitzsch and Bur- 

 meister. I found it upon a specimen of the White Stork 

 (Ciconia alba), which was killed at Yarmouth in Norfolk 

 in 1829. 



53. DOCOPHORUS MERUL^. Denny. (Louse of the 

 Blackbird.) 



Plate III. Fig. 1. 



Bright chestnut-yellow ; abdominal fasciae short ; legs 

 thick, superior margin dark. 



Head obtusely triangular ; clypeus broad, with an ovate 

 depression, lateral margin deeply sinuated, with two deep 

 chestnut diagonal bands extending to the occiput, base broad 

 and rotundate ; eyes very prominent ; trabeculae strong and 

 conical ; antennae pale fulvous yellow, filiform : prothorax 

 small ; metathorax the width of the head, lateral margin 

 nearly rectangular, posterior semicircular ; abdomen obtuse 

 ovate, yellow- white and hairy, the lateral transverse fasciae 

 short, deep chestnut, internally pitchy, sutures sinuated pos- 



