Goleox)terological Notices^ VI. *li% 



versely impressed. The single male, which I took immediately 

 behind the ocean beach, represents a species which is closely allied 

 to pallens, but differing in its shorter, more opaque and more 

 densely punctate elytra, shorter, more incrassate antennae, less 

 prominent tempora, differently shaped and less transverse pro- 

 thorax, and in other characters. 



In this species the small tubercles of the head and prothorax 

 show plainl}^ their origin in simple asperities at the anterior mar- 

 gins of the punctures, and, in both arenarius and pallens, the 

 declivous anterior part of the pronotum is less abruptly defined 

 than in the others here described. 



TAIVARTHRUS Lee. 



This is a singular and isolated type of the Anthicini, not very 

 closel}' related to any other, but agreeing better with Authicus 

 than with any of those genera which have an abnormal extension 

 of the mesosternum. Its divergence from Anthicus is, however,vei'y 

 marked in the depressed body with subtruncate and more or less 

 abbreviated elytra, in peculiarities of tarsal and palpal structure 

 previoush' noted, in the smaller and distinctly less coarsely faceted 

 eyes, and in the remarkable bilobed ultimate joint of the antennae, 

 the constriction in some species being so deep that it is almost 

 impossible to decide at once whether or not it really separates 

 the one joint into two. 



The sculpture of the integuments is also worthy of remark. 

 The punctures of the head and pronotum are shallow and vario- 

 late, except in Tanarthrus proper, and, in all but one of Tanar- 

 thropsis, each puncture is accompanied bj^ a small but pronounced 

 and shining tubercle. The surface of the elytra is covered closely 

 with a reticulation of fine lines, and, besides this sculpture, there 

 are frequently two independent sets of punctures, one very minute 

 and bearing the visible hairs, and the other still very small but large 

 by comparison, which are circular, shallow and crater-form, either 

 nude or bearing extremely minute setae only visible under con- 

 siderable amplification. Some species have, besides the reticula- 

 tion, onl\^ one set of minute punctules each of which bears a hair, 

 the singular varioles being completely wanting. This character, 

 in conjunction with the varjang length and apical structure of the 

 elytra, shape of the head, size of the e^-es and structure of the 



