Genera of the Cossonidce. 577 



elytra either altogether pale, or else (which would seem 

 to be the normal condition) ornamented with suffused 

 blackish markings. The head is narrow, with the eyes 

 consequently less wide apart than what is the case in most 

 of these immediately-allied types; and the rostrum is 

 somewhat short and robust, though by no means very 

 broad, and gently, but appreciably, dilated towards the 

 tip which is, , itself, rather straightty truncate. The 

 prothorax (which is finely and densely punctulated) is a 

 good deal narrowed, and much constricted, in front ; and 

 the antennae and legs (the former of which have their club 

 shortish, and tolerably abrupt) are comparatively slender. 

 The intermediate coxag are remotely separated (occasion- 

 ing the four hinder ones to be equidistant) ; the femora 

 are unusually thin towards their base ; and the tarsi (which 

 have the terminal joint ordinary and clavate in the males, 

 but subconical in the females) are very conspicuously 

 lengthened. 



98. CONARTHRUS (nov. gen.). In the conical but not 

 abbreviated last joint of its feet (which may, or may not, 

 be indicated in both sexes, for I have only a single ex- 

 ample of each species from which to judge), no less than 

 in the densely punctured anterior portion of its surface, 

 and its short, unacurninated club, the present genus 

 (which is founded on two species whieh were captured by 

 Mr. Wallace in the islands of the Malayan archipelago, 

 and a third, from Cochin China, which has been com- 

 municated by Mr. Fry) is more related, I think, to 

 Heterarthrus and Eutornus than it is to the groups 

 around Exonotus and Phacegaster with the latter of 

 which, nevertheless, in the proportions of its broad head 

 and rostrum, as well as its large size and parallel, cylindric 

 body, it almost entirely agrees. It may be known from 

 the forms amongst which it seems to me most natural to 

 associate it by its elongate, linear outline, black hue, sloping 

 (or sub-perpendicular) scutellum ( a character, however, 

 which is less distinctly indicated in the C. vicinus from 

 Cochin China), its exceedingly flexuose anterior tibise, 

 and its wide head and rostrum, the former of which is 

 also much exserted, whilst the latter varies in the two 

 Malayan examples now before (but which I nevertheless 

 believe are both of them females), being in one instance 

 perfectly parallel, and in the other not only a little longer 

 but appreciably dilated anteriorly. It is possible however 

 that I may be mistaken in regarding these two Malayan 



