Zoological Society. 447 



blackish grey; hinder legs light brown; tail grizlecf grey ; under 

 surface of the body pale grey. Ft In 



Length from the nose to the extremity of the tail .... 2 11 

 of tail 1 2£ 



of tarsus and toes, including the nail 5 j 



of arm and hand, including the nails 4£ 



« of face from the tip of the nose to base of ear . 4 



of ear . . 2\ 



This animal is closely allied to and is nearly the same size as H. 

 Thetidis, but has much larger ears, and the fur much more dense and 

 lengthened ; the base of the fur is bluish grey, to which succeeds 

 reddish brown, then silvery white, the extreme tips being black. 



The above is the description of a female ; the male will doubtless 

 prove to be of larger size. 



It is very numerous on the islands of the Houtmann's Abrolhos, 

 and also inhabits Western Australia, where it is called ' Dama' by 

 the aborigines. 



Lagorchestes hirsutus. Lag. arenaceo-fulvus, dorso griseo irro- 

 rato ; spatio circumoculari conspicue rubescenti-fulvo ; auribus 

 mediocribus, exterrie cinereo-fuscis, hit us pilis albidis obsitis,pedi- 

 bus flavescenti-fulvis. 

 General colour of the fur, particularly on the hind quarters and 

 under surface, rich sandy buff; that of the head and back having a 

 grizled appearance, occasioned by each hair having a mark of grey- 

 ish white near the tip ; the fur, which is exceedingly soft, is blackish 

 brown at the base, then rufous, the whole beset with numerous hairs, 

 which gradually increase in length towards the lower part of the 

 body, where they exceed the general length of the fur by nearly two 

 inches, and being of a rich rufous tint, give the animal a very con- 

 spicuous appearance; broad space round the eye reddish buff; ears 

 moderately large, greyish brown externally, and clothed with whitish 

 hairs within ; feet nearly uniform yellowish buff. Ft In 



Length from tip of nose to tip of tail 2 3| 



of tail 10£ 



of tarsus and toes, including nail 5 J 



of arm and hand, including nails 2| 



of face from tip of nose to base of ear 3| 



of ear 1| 



The above is the description of a male, from the York district of 

 Western Australia, where it is called by the aborigines ' Woo-rup.' 

 It is a very beautiful and well-marked species, distinguished from 

 every other member of its genus by the long reddish hairs of the 

 rump. The extreme tip of the tail is white, but whether this cha- 

 racter is constant or not is at present unknown. 



At the request of the Chairman, Mr. Gould read the following ex- 

 tracts from a letter he had received from Mr. Gilbert, describing the 

 habits, &c. of some Mammalia and Aves of Western Australia: — 



" With respect to the Kangaroos, I have heard of the little silver- 



