102 Dr. Sharp's Revision of the 



Mr. Crotch's collection^ and is undoubtedly an immature 

 female of H. velox, Kr. Moreover the locality where it 

 was taken (Bettws-y-coed) has since produced H. velox 

 commonly, and no other species to which Mr. Wollaston's 

 description could be applied. Hence, as the name H. 

 camhrica is anterior to Kraatz's by two years, I have 

 adopted it. 



7. Homalota planifrons. 



Subdepressa, subnitida, nigro-fusca, antennis elytris- 

 que fuscis, pedibus testaceis ; subtiliter hand confertim 

 punctata ; antennis apicem versus paullo incrassatis, ar- 

 ticulis penultimis subtransversis, capite subtriangulari ; 

 thorace subquadrato, postice subangustato ; elytris hoc 

 paullo longioribus ; abdomine supra segmentis 2-4 sub- 

 tiliter, hand crebre punctatis, segmento quinto parcius 

 punctato. Long. 1| lin. 



Mas; abdomine segmento sexto supra medio tuberculo 

 acuto, 7° apice denticulis quatuor, instructo. 



H. planifrons, Wat. Proc. Ent. Soc. Lend. 1863, p. 

 150. [H. platycephala, errore) . 



About the size and appearance of H. gregaria, but 

 more shining and more sparingly punctured. Antennas 

 of moderate stoutness, but little thickened towards the 

 apex; joints 1-3 of about equal length, 4 shorter than 5, 

 only about half as long as 3, 5-10 differing little in length, 

 the first of them a little longer, the last of them a little 

 shorter than broad, eleventh joint ovate, half as long 

 again as the tenth. Head a little narrower than the 

 thorax, sub triangular, narrowed in front, with a distinct 

 channel on the upper sidej sparingly and finely punc- 

 tured. Thorax narrower than the elytra, about as long 

 as broad, a little narrowed behind, pretty densely and 

 finely punctured, with a distinct channel or impression 

 along the middle. Elytra paler in colour than the head 

 and thorax ; a little longer than the latter, finely and 

 somewhat sparingly punctured. Abdomen with segments 

 2-4 finely but not densely punctured ; fifth segment 

 rather more sparingly punctured than the fourth, sixth 

 nearly smooth. Legs testaceous. 



The male has the sixth segment of the abdomen fur- 

 nished on the upper side, in the middle, with a distinct 

 acute tubercle, and the posterior margin of the seventh 



