ANIDEYTUS. 127 



Beep pitchy-black above, pitchy-brown below. The five basal joints of the antennae, 

 the legs, the margins of the thorax and elytra pitchy, the latter shading off quite by 

 degrees into the nearly black colour of the general surface. The whole insect is 

 clothed with a short but thick greyish-brOwn pubescence. The thorax is twice as 

 broad as long, very finely and closely punctured, with the basal sulci distinct, the 

 punctures a little larger and not so close at the base between the sulci; the front 

 angles are acute and prominent but deflexed ; the hind angles are rectangular. The 

 elytra are oblong-ovate, also very finely but distinctly punctured ; the surface is 

 shining, and the pubescence is only distinct at the sides and apex (being probably soon 

 abraded) ; the punctuation is finer and more crowded at the sides ; the margin is 

 narrowly reflexed, and bears a few irregular impressions, but is without larger punctures. 

 On the first ventral segment of one specimen there is a patch of golden hairs ; but I 

 do not observe it in the other, and it is probably not a sexual distinction in this genus. 

 The apical or fifth segment has its margin bisinuate. 



The antennae are stout and rather short ; the third joint is hardly longer than the 

 fourth, this latter and the fifth being longer than wide j the sixth to the eighth joints 

 are nearly bead-shaped ; the apical joint is reddish -brown at the tip. 



Allied to A. nitidularius, but apparently shorter and broader. 



Two specimens, both males. 



4. Anidrytus contractus. (Tab. VII. fig. 17, «* .) 



Anidrytus contractus, Gerst. Monogr. Endom. p. 263 \ 

 Hab. Costa Rica 1 ; Panama, Bugaba (Champion). 



Although I have not seen an authentic specimen of this species, which was only 

 (so far as I am aware) known to Gerstacker from the female type in the Berlin 

 Museum, I have no doubt that the Bugaba insect, of which Mr. Champion collected 

 ten examples, including the male sex, is identical with it. The males resemble the 

 females ; but have the front tibiae slightly bent in their basal half, and from below the 

 middle compressed and straight, forming a faint angle without any tooth on the inner 

 margin. 



A. contractus may be known by its short and very convex form and very transverse 

 thorax ; the third joint of the antennae is hardly longer than the fourth, and the five 

 apical joints only are black. 



5. Anidrytus dolosus. (Tab. VII. fig. 18.) 



Breviter ovatus, sufotiliter punctatus, valde convexus, nitidus, rufo-ferrugineus ; elytrorum disco (ultra medium 

 juxta suturam) et antennarum articulis quinque ultimis nigris. Long. 6 millim. 



Hab. Panama, Volcan de Chiriqui (Champion). 



Extremely close to the species from Bugaba which I have identified with A. con- 



