220 ;Mr. D. S!i;iri)"s Contributions to the 



smooth. Elytra conslderal)!}- longer tlian tliorax, fuscous, 

 the extremity i)aler, densely and distinctly punctured, 

 rather dull. Ilind body reddish, with segments (5 and 7 

 infuseated, except at their hind margins, extremely finely 

 punctured. Legs pale yellow. 



In the male the 7th segment of the hind body has a 

 narrow aTid rather deep notch, and the 6th segment has 

 the hind margin broadly and very distinctly impressed in 

 the middle. 



Two specimens, c? and ?. The $ (without further 

 locality than ^Vmazons) is described as above. The female 

 is I'rom l*ara, and differs a little from the $, in being 

 slightly broader, and having the head reddish. 



14. Ci'i/])toJ)iiim anf/uslum, n. sp. Elongatum, snl)- 

 cylindricum, nigro-fuscnm, clytrorum a])icc, antennis, 

 })e(libusque testaceis; capite opaco, dense subtiliter rugoso- 

 punctato ; prothorace o])aco, obsoletissime ])unctulato, 

 l)asi linea elevata nitidii; elytris prothorace vix longioribus, 

 dense fortiterqne punctatis. Long, coi'j). .'5 j lin. 



]\Ias: abdomine segmento4°ventrali in sjnnamelongatam 

 producto, trochanteribus posticis spinoso-elongatis. 



Antennae scarcely so long as head and tliorax, yellowish ; 

 joints 3 — 6 infuscate, first joint as long as the five or six 

 following together, 3i-d joint longer than 2nd, 4 — 10 each 

 a little shorter than its predecessor. Head narrow, but 

 rather broader than the thoi-ax, the front ])art nuich 

 produced; the ])terygla very broad, the eyes ])r()minent, 

 placed at the middle of the sides; it is of a blackish 

 colour, quite dull, densely and finely rugose-punctate, the 

 extreme fnmt not punctate; the mandibles and ])alj)i 

 yellow. Thorax quite twice as long as broad, only about 

 half as broad as the elytra, dull, with an elevated line in 

 front of the base, shining, scarcely ]mnctnred. Elytra 

 slightly longer than the thorax, black, the extremity 

 yellow, closely and rather coarsely ])nnctui-ed, a little 

 shining. Hind body cylindric, closely and rather strongly 

 jHUictiircd. Legs pale yellow. 



In tlie male the fourth segment of the hind body 

 beneath is ]n-oduced into a long, stout tooth or spine, 

 rfacliing (piitc to the extremity of the next segment; the 

 hinder lrocliantci"s ai'c ])roduced into a long, slender spine. 



Ega, Tapajos; three sjiecimens, \ $ ,2 9. 



\3. Cnjptohiinn ri/lin(lricu))i,\\. sj). J'^longatiuii, peran- 



