776 



MR. STANLEY HIRST ON SOME 



from Cypsehds afflnis, but it is quite distinct in the example from 

 Geciiius vcdllanti, being sharply pointed. 



Length of body (not including capitulum), 5 •65-"87 mm. 



Host : Several specimens from nests of Cypselus afflnis, 

 Calcutta, collected by C. Paiva (28. vi. 1903) and forwarded to 

 me by Dr. Nelson Annandale. Also an example fi-om Gecimcs 

 vcdllanti, Tangier (May 1892), presented to the Museum by 

 Dr. James Waterston. 



Text-fiffure 20. 



Lijjonj/ssus viator, sp. ii,, $ . Dorsal view. 

 a. Sternal plate. 



ISToTE. — The specimen from Gecinus vaillanti agrees closely 

 with those from Cypselus affinis in the structural details given 

 above, but the posterior dorsal shield is rather more narrow, and 

 the denticle on the first free segment of the palp distinct. 



LiPONYSSUS CHiROPXERALis, nom. nov. 



2 . Two dorsal shields are present, their surface being finely 

 reticulated. The shape of these shields varies somewhat in 

 specimens from different localities ; the jjosterior one is tongue- 

 shaped, its hinder end being narrowed and blunt. Hairs on the 



