330 Mr. C. O. Waterhouse's descriptions of new 



ampliatis, nigrls vel fliscia recta ante medium, apiceque 

 extreme flavis ; tibiis posterioribus basi piceis ; abdomine 

 flavo, ad lateras nigro-guttato. 

 Long. 8 1 lin. 



Allied to C. Jlavipes, Fabr. Head and thorax very 

 shining. Thorax one third broader than long, a little 

 narrowed in front, the angles obtuse, the sides very 

 slightly arcuate, reflexed. Elytra at the base scarcely as 

 broad as the thorax, considerably widened a little behind 

 the middle, punctured at the base, dull and closely rugose 

 behind, with a well-defined yellow fascia before the middle ; 

 the extreme apex is also yellow. 



Huh. — Ecuador (Buckley). 



In a second example the yellow band of the elytra is 

 wanting, but there are two minute yellow dots on the 

 left elytron where the band would be. 



Chauliognathus dimidiatus, sp. n. 



Elongatus, angustus, niger, opacus; thorace quadrato, 

 elytrisque dimidio basali rufo-ochraceis ; corporis subtus 

 segmentis pallide flavo-cinctis, ano flavo. $ , 2. 



Long. 7 — 8 lin. 



Head very long ; antennre long and very slender. Tho- 

 rax a trifle broader than long, quadrangular, scarcely 

 narrower at the base, reddish-yellow, didl, the front and 

 lateral margins gently reflexed, the anterior angles much 

 rounded, the sides rather straight, posterior angles rather 

 obtuse. Elytra long, parallel, a very little narrowed at 

 their apices, densely and finely rugulose, with the basal 

 half reddish-yellow. 



The male has the greater part of the stei'uum and the 

 margins of the abdominal segments ])ale yellow. 



The female has less yellow beneath. 



Hab. — Mexico. 



Chauliognathus pallidus, sp. n. 



Elongatus, gracilis, testaceus, opacus ; antennis, tibiis 

 tarsisque fuscescentibus, femoribus piceo-flavis. $ . 

 Long. 5 lin. 



Head shining, rather long, eyes very prominent, the 

 forehead with a longitudinal impression between the an- 

 tenna3. Antenna very long and slender, fuscous. Thorax 

 quadrate, rather flat but uneven above, not quite as broad 



