162 Arflniv M. Lot: 



jMid tracealjle with difficulty. The' al:)dou;en of the mule appears 

 to have a heart-shaped openinp- at its apex, with a flavous, 

 curved, and pointed process at the base of the fifth segment. 



128. ff. exilis, Lea (M.S.). 



129. Helcogaster ejfeininatus, n. sp. 



S Black, elytra with a faint bluish gloss ; lower surface of 

 four ba^:al joints of antennae and trochanters more or less 

 tiavous. Sides with a few short hairs. 



Head with distinct punctures in places ; with a rather feeble de- 

 pression open towards the sides and in front, and with a short ridge 

 in the middle. Antennae serrate, extending- past hind coxae. V ro- 

 th ova r apparently about as long as wide, with a transverse 

 basal imprt.-sion, and a very feeble one on each side of apex ; 

 impuncta.te. Elytra impunctate, at base as wide as head or 

 slightly wider, feebly dilated posteriorly. Legs long and thin : 

 basal joint of front tarsi stout and curved on its inner edge. 

 J.ength, ."U, to apex of elyti-a 2-^- mm. 



The depression on the head, although very shallow for a 

 m;ile. from some directions a])pears to be fairly deep, its hinder 

 border (excluding the la.teral openings) from some directions ap- 

 pears to be feebly trisinuate. The abdomen is so wrinkled m 

 the type that its sculpture cannot be described, but the front 

 tarsi are essentially masculine. Obliquiceps and canaliculatus 

 have the face yellow, incisicollisJ^ has the prothorax incised, 

 gagatinus has two frontal foveac and is otherwise different ; all 

 other s}>ecies with the ]iri thorax black, have the head very 

 differently sculptured. 



Clkkidak. 



1:^0. Opilo sexNoiin/s, Westw. 



Apteropilo, n. g. 



Prothi rax without longitudinal aaid ti-aiisverse impressions. 

 I'^lvlra ol)iivate. Metasternum short, .\ptcrous. Other charac- 

 ters mostly as in Opilo. 



1 AN(i :i\vait'ni;;' piililicatiiin in iii\ ri'\ii'\v of .MaUu-odcniiiilac. 



