184 THE CANADIAN ENTOMOLOGIST. 



fulvous, sometimes brown ; but its margin is always conspicuously 

 darkened below. The enclosure of the metathorax is strongly granular, 

 contrasting with a comparatively shining area on each side of it. The 

 nervures in the $ are distinctly darker than in salicinella. 



P. S. — June 2nd, 1896. After renewed study, and an examination of 

 the tongue and palpi, I am satisfied that the supposed species of Aiidrena 

 described by me with the marginal cell truncate represents a valid new 

 genus, which I will call Protaiidrena. The species are as follows : P. 

 asclepiadis, P. mexicanorittn, P. trifoliata, P. maurtiia, P. heteromorpha. 



LEPYRUS ALTERNANS AND CAPUCINUS, LIXUS FOSSUS, 

 CREMASTOCHILUS HARRISII AND POLYPLEURUS 



NITIDUS. 



BY JOHN HAMILTON, M. D., ALLEGHENY, PA. 



Lepyrus a/iernafis, Casey. — In a former paper (p. 125 ) the form 

 described under this name was united with Capuciiius, Schall, owing to 

 an error of observation in regard to the wings. The example then ex- 

 amined was somewhat broken and it is now evident the wings had been 

 removed. A recent dissection of a perfect specimen exhibits a well- 

 developed pair of wings. This form is closely related to palustris ( per- 

 haps not more than a geographical variety), differing in the form of the 

 thorax, which, instead of being conical, is much wider at middle than at 

 base (subangulate) ; the rostrum is perhaps stouter and the mesosternum 

 less elevated — both characters somewhat opinionative; there is no femoral 

 tooth in any of the examples seen ; the elytral intervals are less regular, 

 either not obviously inequal or the first and third wider, the others nar- 

 rower and some of them longitudinally sulcate along the middle ; the 

 strial punctuation is usually finer and closer, and the striae seem to be 

 acutely impressed when the elytra are perfectly denuded. In vestiture 

 ornamentation and other characters the two forms seem identical. 



All the examples seen have been from Maine and New Hampshire 

 (Mount Washington and vicinity). 



Z. capticimis, Schall. — The removal of alterfians from synonymy 

 with this species necessitates a little change in the former description, 

 where some of the characters peculiar to the latter form were introduced: — 



Apterous, black, robust, vestiture nearly uniform. Rostrum stout, longer than the 

 thorax, sulcate on each side of the carina which attains the frontal fovea, rather closely 

 and notcoarsely punctured, and with the head thinly clothed with squamoid hairs; scape 

 of antenna' short, not attaining the eye ; first joint of funicle stout, second thinner and 



