13G ^h\ S. Tlirsf on some 



( Vivernu Paradu.iurus, Cynogale, tiiid their allies) have the 

 perineal area provided with seeut-^lands, situated in the 

 male between the scrotum aiul the j)rc|)U('e, which are 

 widely separated. In GaUdictis and Galidia a similar 

 gland is jjrescnt at least in the female, the position of the 

 prepuce beinj^ unknown. In the Hyicnas there is a large 

 sac, receiving the secretion of the anal glands, above the 

 anus, the i)rcpuce is far in advance of the scrotum, and 

 tlie glans penis is long. 



Finally, Cnjptoproda, which has even been referred to the 

 same family as the Feiidse on account of the misleading 

 character of its dentition, has widely different external 

 genitalia and the anus opening into a hirge sac. 



Thus, if we set aside Linsung. Evpleres, and Fossa, about 

 which our knowledge is defective, it may be seen that the 

 genito-anal area of the Felidse possesses a combination of 

 characters distinctive of this family of /liluroidea. 



VIII. — On some 7iew Mites of the Suborder Prostic/mata 

 Ihiny on Lizards. By Stanley Hirst. 



(Published by permission of the Trustees of the British Museum.) 



Tni; Acari described below are forms living on lizards, and> 

 v,\\.\i the probable exception of Pimeliaphilus tenuipes, they 

 are all true blood-sucking parasites. The species dealt Avith 

 in tliis preliminary note will be figured and described in 

 detail in a later paper on parasitic mites. 



Genus Pterygosoma, Peters. 



Pterygosoma persicus, sp. n. 



$ . — Body much vider than long. On each side of the 

 anterior end of the dorsum there are two patches of very 

 short plumose hairs ; these patches being almost continuous 

 with one another, the inner one consists of about 5-8 hairs, 

 the outer of 8-16 hairs. Hairs on rest oi dorsum very few 

 in number ; some distance behind the anterior patches of 

 hairs there is a transverse row of four plain hairs, which are 

 short and widely separated from one another ; there are also 

 two or three rather long fine hairs on each side near the 

 margin ; posteriorly there are two more pairs of short plain 



