J46 MONOGRAPH I A 



as being infested with this species. In Belfast Mr. Thomp- 

 son found it upon the Knot (Tringa Canutus). 



47. NIRMUS CINGULATUS. (Louse of the Godwit.) 



Plate XL Fig. 3. 



Bright chestnut, shining and smooth; head conical, with 

 two lateral spots, and sub-angular striae from the base of the 

 antennae to the occiput ; the first seven segments of the 

 abdomen, with a pitchy transverse clavate fascia on each 

 side. 



Nirmus eingulatus ? Burmeister Handbuch ii. pt. ii. p. 428 ? 



Head conical ; clypeus produced, base rotundate, slightly 

 setose, an oblong deep chestnut patch on each side before 

 the antennae, with a transverse impression at the vertex, and 

 a deeply impressed sub-angular striae from the antennae to 

 the occiput ; antennae slender, filiform, pale fulvous ; pro- 

 thorax transverse ; metathorax sub-quadrate, anteriorly ro- 

 tundate, posteriorly produced, angular, and setose; abdomen 

 lenticular, transversely banded with deep chestnut, sutures 

 pale, the first seven segments with a short, pitchy, club- 

 shaped fascia on each lateral margin, encircled with a pale 

 areola; legs pale chestnut, rather thick. Length 1. 



Dr. Burmeister, in his admirable Handbuch der Ento- 

 mologie, quotes a Nirmus eingulatus as the parasite of the 

 Limosa Melanura, without, however, giving any specific 

 character. I have ventured to presume this may be the 

 species alluded to, from having received it through the 

 zealous exertions of my friend Mr. Thompson, whose as- 

 sistance I have so repeatedly to record, who found it upon 

 the Black-tailed Godwit (Limosa melanura), at Belfast, 

 a second example, and by far the finest I have seen, was 

 forwarded by Mr. Heysham from Carlisle, who found 



