226 MONOGRAPHIA 



duced, with a fuscous spot on each side, a fuscous band 

 before each eye, and two narrow lines on the occiput ; pro- 

 thorax sub -elliptical, nearly as wide as the head, rather 

 darker on the lateral margin, a transverse impressed line in 

 the centre, and three longitudinal at about equal distances 

 on the disk ; mesothorax obscure ; metathorax transverse ; 

 abdomen large and oval ; sutures pale ; legs long and slen- 

 der ; anterior femora with the lower margin reflected ; tarsi 

 large, Length f. 



Common on the Partridge (Perdixcinerea). 



13. MENOPON TRANSVERSUS. Denny. 

 Plate XXI. Fig. 7. 



Pitchy, shining, and pubescent; head semilunar, with 

 two large nearly black spots ; prothorax elliptical ; abdomen 

 oval, very broad ; legs thick. 



Head very broad, semilunar, with a transverse conical 

 black spot before each eye ; prothorax nearly as wide as the 

 head, elliptical, with a dark impressed line on each side, and a 

 transverse one in front ; metathorax transverse, posterior mar- 

 gin rotundate ; abdomen oval, pitchy-black, the last two seg- 

 ments and sutures of the preceding paler, densely covered 

 with pale yellow hairs ; legs fuscous, thick and strong ; femora 

 large, the anterior involute ; tarsi rather short. Length f . 



This species I have seen but two specimens of; one I 

 found on the Kittiwake Gull (Larus tridactylus), the second 

 on the Razor Bill (Alca Torda), the colour and more espe- 

 cially the very broad appearance of the whole Insect, readily 

 distinguishes it from all the other species of Menopon. 



14. MENOPON STREPSIL^E. Denny. (Louse of the 

 Turnstone.) 



Plate XXI. Fig. 8. 



Pale yellow, shining, and pubescent, the hairs black and 



