On new Nasua, Lutia, and Proecliitnys. 57 



niinal segments red, clouded witli blackisli, the first segment 

 broadly dark basally, and dark apically except at sides, 

 leaving on each side a transverse bright ferruginous subapical 

 stripe, second segment witii the posterior niidtlle (broadest at 

 centre) dark, third with a dark green band just before the 

 dark fuscous marginal depressed portion ; fourth and following 

 segments dark green, with piceous apical margins, the fourth 

 suft'uscdly redtlish at lateral base; flagellum dull red 

 beneath ; tegulie piceous. Wings somewiiat dilute reddish 

 fuliginous, nervures and the rather small stigma dark 

 fuscous. Head broad ; clypeus shining, with distinct but 

 sparse punctures, the middle almost inipunctate ; mesothorax 

 shining, irregularly punctured, very densely at sides, very 

 sparsely on disc j scutellum with strong irregular punctures, 

 and very minute ones between ; area of metatliorax shining, 

 with an obtuse transverse ridge; the thin hair of thorax is 

 mostly white, but greyish brown on vertex, and also brown, 

 but very scanty, on mesothorax and scutellum ; lower side o£ 

 first s.m. strongly arched; second s.m. much broader (longer) 

 than high, receiving the recurrent nervures not far from base 

 and apex. Hind legs without any distinct pollen-collecting 

 hairs ; hind spur strongly pectinate. Abdomen broad, 

 shining, very sparsely punctured; fifth segment with con- 

 spicuous black hair. 



Bab. Mt. Wellington, S. Tasmania, Jan. 15-Feb. 6, 1913 

 {R. E. Turner). Brit. Museum. 



Easily known from the species which it more or less 

 resembles in the colours of the abdomen by the very dark 

 winos. 



VIII. — New Nasiia, Lutra, and Proechimys from South 

 America. By Oldfield Thomas. 



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



Sasua judex, sp. n. 



N. dorsalis group. Sides tipped with fulvous, back 

 obscurely dark-lined. 



Size and skull-characters about as in X. dorsalis and 

 conduce, to the latter of which the new form is most nearly 

 allied. General colour dark greyish, the tips of the 

 longer hairs bright fulvous. Middle line of back darker, 

 the hairs tipped \\ith black, the darker area less marked 



