1910]. 105 



sheath is widest before (uot at) the apex. (The saw itself is qviite 

 unlike that of nigralus, and closely resembles those of mcgapterus, 

 fmnosus, and <jibbosus) oblo7igus, Cam. 



33. Tempera (between their deep ante-occipital fiu'rows and the compound 



eyes) not swollen but flat. Mesonotum with all its lobes feebly punc- 

 tured. Antennce long and narrow throughout in both sexes. In the ? 

 (n.b.) the third antennal joint is not, as in most Dolerus sjjp., distinctly 

 longer than the foru-th, but subequal to it (or even shorter) and much 

 shorter than the eighth and ninth taken together Cerci generally red. 

 Wings clear. Length, about 8 mm. {i) to 9.1 mm. ( ? ). The S 8th 

 dorsal segment of abdomen is simple The ? has an iinusually long 

 and narrow (projecting) saw-sheath, gradually attenuated towards its 



apex mneus, Hartig (nee C.) 



(= elongatus, C.) 



— Tempora much swollen between the compound eyes and the ante-occipital 



furrows. Mesonotmn with distinct Avell-defined puncturation, whether 

 coarse or fine. Antennas short in both sexes, with the third joint 

 evidently longer than the fourth. ? saw-sheath not very long, and 

 thickened before the apex 34. 



34. Head and thorax with distinct metallic reflections (blue, green, violaceous, 



etc.) in certain lights. Vertical area and mesonotum with fine, but 

 pretty deep punctures, not very close together nor at all rugose. Wings 

 with a blackish infuscation. Apex of Sth S abdominal dorsal segment 

 with a short central patch of white membrane, triangular in shape (not 

 a long narrow "slit" as in nigratus). A small and slenderly built 

 species. Length, about 7-8 mm.... 



sanguinicollis, Kl., var. fumosus, Steph., nee Zadd. 



= ravus, Zadd. 



— Head and thorax deep black, hardly, if at all, metallic. Vertical area 



and mesonotum with large somewhat coarse and confluent (rugose) 

 punctures. Wings with a very slight brownish tint. Apex of Sth <? 

 abdominal dorsal segment with a polished brownish tubercle-like eleva- 

 tion or carina in its centre. Larger than sanguinicollis var. fumosus, 

 and of stouter form rugosulus, v. Dalla Torre. 



(To he continued). 



NOTES ON COBTICABIA, WITH DESCRIPTIONS OF TWO NEW 



SPECIES. 



BY D. SHARP, M.D., M.A., F.R.S. 



Having had occasion to examine some Corticaria of the group 

 placed in the British Catalogue under the genus Melanoplitlialma, I 

 find two species for description, and a few obsei-vations to bring to the 

 notice of Coleopterists. 



First as to the validity and limitation of MelanojjhtJialma. The 

 Beare and Donisthorpe Catalogue assigns tive British species to the 



