238 



and therefore mentioned the probability that a new generic 

 name might be required eventually. Having now examined 

 a genuine Enamillus I find that my forecast was correct, as 

 will appear from the above diagnosis. The antennae of this 

 insect (perhaps of the male only) are truly remarkable, and 

 might fitly be characterized as an exaggeration of the anten- 

 nae of Di'phyllocera. Each lamina of the flabellum is fringed 

 with a row of robust elongate filaments or setae, and each of 

 these filaments is itself clothed with fine erect pilosity. The 

 first lamina is so shaped as to somewhat enfold some of the 

 following laminae, which was my chief reason for placing the 

 species in Enamillus provisionally ; but having now examined 

 a true Enamillus I am able to say that the enfolding in the 

 present genus is much slighter than in Enamillus. 



SERTCIDES. 



Atermonocheila (gen. no v., Sericidarum). 

 Mentum sat transversum, antice emarginatum ; palpi labiales 

 modici, articulo apicali elongato gracili subfiliformi ; palpi 

 maxillares sat elongatis sat gracilibus, articulo apicali 

 subcylindrico ; labrum haud manifestum ; oculi magni 

 minus nitidi subtilissime granulati, antice a cantho pro- 

 funde incisi ; antennae (speciei typicae) 9-articulatae, fla- 

 bello 3-articulato (laminis maris quam articuli ceteri 

 conjuncti vix brevioribus, pilis brevibus subtilibus erectis 

 vestitis) ; clypeus antice truncatus ; prothorax transver- 

 sus ; elytrorum interstitia alterna angusta laevia, alterna 

 lata haud laevia ; pedes graciles ; tibi« anticae (speciei 

 typicae) extus bidentatae, dente tertio supra medium vix 

 manifesto ; corpus totum setis brevibus crassis adpressis 

 vestitum ; coxae posticae perbreves, quam metasternum 

 fere triplo breviores. 



This genus must be placed near Efholcis, from which 

 it differs by, inter alia, its flat transverse mentum, the struc- 

 ture of its labial palpi, its much more elongate legs (with 

 claws elongate, slender, and devoid of quill-like appendages), 

 and its elytra geminate-substriate, after the manner of Sci- 

 tala. A hind tibia with its tarsus is considerably longer than 

 the elytra. It should be added that the term "geminate- 

 substriate" requires qualification in respect of the elytra of 

 the typical species of this genus. The subsutural stria is 

 very distinct, but the alternate interstices on the remaining 

 part of the elytra, while narrow and devoid of sculpture (as 

 in Scitala), are not limited by defined striae. If additional 

 species of this genus are discovered, it is probable that the 

 elytral interstices will be found to be alternately wide with 

 sculpture and narrow without sculpture. But the character 

 of the striation in other respects is probably not generic. 



