114 ' WILLIAM G. DIETZ, M.D. 



to these, the recognition of characters not mentioned by Casey and 

 a number of undescribed forms in the collections of others as well as 

 my own, have been the reasons for finishing the work and submit- 

 ting it to the criticism of those capable of judging. 



Hazleton, Aug. 26, 1893. 



Family CURCULIOXID.E. 



Tribe Erirhinini. 



Subtribe Desmori. 



But little need be said here to distinguish the subtribe Desmori* 

 from the other subtribes of the Erirhinini. The beak separated 

 from the head by a transverse groove or constriction, and the claws 

 connate to a greater or less extent, render it easy of recognition. 



Beak variable, moderately robust (especially in Smicronyx proper) 

 to very slender {Dermoris) ; always longer and more slender in the 

 females ; scrobes oblique to a variable extent, confluent beneath. 



Antennse variable, a little stouter and generally inserted two-fifths 

 from the apex, rarely at the middle ; in the males, more slender and 

 generally inserted behind, more rarely at the middle, in the females 

 (subbasal in some Desmoris); funicle seven-jointed, club generallv 

 small, ovoidal, large and more elongate in Pachyphunes. 



Head moderately large, spherical. Eyes transversely oval, coarsely 

 granulated, separated beneath, except in Synertlia. 



Prothorax differing in form, narrowed anteriorly and constricted 

 at or behind the apex in the great majority of the species ; postocular 

 lobes generally distinct ; scutel small, invisible in some species. 



Elytra wider at the base than the prothorax, differing greatly in 

 form and convexity, striate, strise remotely punctured. 



Prosternum generally short in front of the coxse, emarginate ; 

 simple or transversely impressed in some, or with antecoxal ridges 

 limiting a sulcus more or less distinct, in others. Mesosternum de- 

 clivous; metasternum moderately long. 



Ventral segments unequal, third and fourth shorter than the 

 others, fifth rounded at the apex ; second, third and fourth suture 

 curved backward, but not angulated at the sides, in almost all the 

 species. 



* Etymologically, the term Desmori is proper, and should be used instead of 

 Desmorhines. 



