236 Records of the Indian Museum. [Vol. X, 



blotches meet at the centre and in others a median clear space 

 is left. The ventral median blotches are visible from the dorsal 

 surface. The last segment is rounded, protruding, bearing numer- 

 ous long hairs. Each of the other segments with a transverse 

 series of hairs arising along the posterior margin of the lateral 

 blotches ; there are also several long hairs in the posterior lateral 

 angles. Genitalia appearing as a quadrangular plate with thick- 

 ened margins and short penis and external appendages. 



Female longer, more linear than male. Antennae as described 

 above ; last segment of abdomen bilobed, with two small blotches 

 (fig. 2a) ; penultimate segment entirely coloured. In the specimens 

 at hand the space between the blotches is not so clear as in the 

 male, making the blotches appear less definite. 



Nirmus olivaceus, Nitzsch. 



Many specimens from Corvus splendens (Nepal Valley, Trivan- 

 drum and Calcutta, India), Corvus macrohynchus (Nepal Valley, 

 Ponsee, 3300 ft., Yunnan), Pica rustica (Upper Burma), and Platys- 

 murus leucopterus (Perak, Federated Malay States). 



Nirmus marginalis, Nitzsch. 



Many specimens from Dendrocitta rufa (Calcutta, India ; 

 Cachar and Gowhatty, Assam; Burma), Dendrocitta hhnalayensis 

 (Nepal Valley), and Urocissa occipitalis (Maundi, N.W. India; 

 tipper Burma). 



Nirmus varius, Nitzsch. 



Many specimens from Corvus monedula (Yarkand and Gilgit), 

 Corvus frugilegus (Gilgit and Herat), Corvus corax (Ladak), and 

 Pica rustica (Gilgit and Ladak). 



Nirmus nigrosignatus, Piaget. 

 Males and females from Garrulus leucotes (Upper Burma). 



Nirmus uncinosus, Nitzsch. 

 Males and females from Corvus comix (Gilgit). 



Nirmus punctatus, Nitzsch. 



A single female of this characteristic gull- and tern-infesting 

 Nirmus is included in the collection as taken from Dendrocitta rufa 



