ANOPLURORUM BRITANNIA. 129 



Head arid thorax bright yellow, the former sub-triangular, 

 clypeus retuse, lateral margin entire, with a deep chestnut 

 angular spot before the eyes, terminating in an impressed 

 line on each side towards the occiput, base subtruncate ; 

 eyes small ; trabeculae prominent and acute ; antennee fili- 

 form and slender ; prothorax narrow and transverse ; meta- 

 thorax transverse, as wide as the head, lateral margin chest- 

 nut, produced and acute towards the base, centre angular, 

 with an impressed line ; abdomen claviform, white, the first 

 seven segments with a broad chestnut band on the lateral 

 margin, on the superior half of which is a triangular black 

 spot, last segment fulvous ; legs pale fulvous ; anterior 

 femora sub-lobate. Length $ ^ g . 



I once found several specimens of this species on a Black- 

 bird (Turdus merula), killed near Leeds, since which 

 period I have never met with any others. 



23. NIRMUS GLANDARII. Denny. (Louse of the Jay.) 



Plate VIII. Fig. 3. 



Pale testaceous-yellow, smooth, and shining ; abdomen 

 with a deep fuscous margin ; head sub-conical. 



Head testaceous -yellow, more intense in the centre, with 

 a depressed semicircular line terminating in a fuscous trans- 

 verse portion of the lateral margin on each side, before the 

 antennae ; clypeus truncate ; trabeculse small and acute ; 

 antennae filiform, rather thick ; eyes small and black, nearly 

 hid under the lateral margin ; prothorax small and trans- 

 verse ; metathorax large, sub-triangular, lateral angles deep 

 fuscous, posterior acute, finely ciliated abdomen claviform, 

 pale testaceous-yellow, each segment, excepting the last 

 two, with a deep fuscous margin ; legs pale testaceous, thick 

 and strong. Length f . 



