134 MONOGRAPH1A 



30. NIRMUS OCHROPI. Denny. ( Louse of the Green 



Sandpiper.) 

 Plate XI. Fig. 12. 



Dark chestnut, smooth and shining; head very long; 

 clypeus ochraceous. 



Head elongate, conical; clypeus produced with a bi- 

 furcate impression at its base, lateral margin with a conical 

 black spot before the antennae, and an oblong fascia on the 

 temporal portion on each side, base truncate ; occiput with 

 two depressed curved lines ; antennae slender and filiform, 

 rather short ; prothorax transverse, rotundate, depressed in 

 the centre ; metathorax sub-quadrate, posterior margin 

 angular and produced ; abdomen oblong, sub-claviform, 

 the first six segments with a dark angular patch on the 

 lateral margin ; legs fulvous, rather thick. Length $ f 1 . 



Communicated by the Rev. L. Jenyns, from the Green 

 Sandpiper (Totanus Ochropus.) 



31. NIRMUS ATTENUATUS. (Louse of the Corn-Crake.) 



Plate X. Fig. 2. 



Chestnut, shining and smooth, lateral margin black ; 

 head attenuated, bright fulvous. 



Nirmus attenuatus. Nitzsch. Germ. Mag. iii. p. 291. Burmeister Hand- 

 buch ii. pt. ii. p. 428. Stephen's Cat. pt. ii. 331. spe. 9. Pediculus 

 Ortygometrse. Schr. Hist. Aus. 503 ? Stew. Elem. ii. p. 300. 



Head elongate, conical ; clypeus with a semicircular de- 

 pression, slightly setose, lateral margin and transverse band 

 at the occiput black, vertex concave ; antennae long, slender, 

 and filiform, the second joint much the longest; trabeculse 

 very minute and acute ; prothorax sub-quadrate, narrower 

 than the head; metathorax transverse, posterior margin 



