104. [May, 



irregiilar punctvu-ation of the shining' mesonotiun. I cannot, therefore, 

 but thinlc it likely that this ^ and tinctipennis ? belong- together ; but 

 as I have very little doubt that it is the species described by Zaddach 

 as txniatus (from g S only) I adopt the latter name for it. (See Notes 

 following this paper) teeniatus, Zadd. S ■ 



29. Clypeus (viewed laterally) projecting from its base to its middle, after 



which its apical half is bent sharply back again (almost at a right 

 angle!). Seen from in front, this angulation forms (or at least sug- 

 gests) a transverse carina ; and the apex of the clypeus appears deeply 

 bidentate Scutellum (according to Konow in litt.) " always more finely 

 and evenly punctured than in any other species." Meaonotmn strongly 

 punctured on all its lobes, the middle lobe with a deep longitiidinal 

 impression. Cenchri fuscous. Antenna} thick in ^ , more slender in 9 

 (in this sex joints 7, S, and 9 are nearly equal in length, and the third 

 joint is longer than the fourth, or than the eighth and ninth taken 

 together. Leng"th, about 9 mm. (? , to 10 mm. 9 megapterus, Cam. 



— Clypeus with no appearance of a transvei'se carina 30. 



30. Vei'tical ai-ea and tempora imperfectly (or at least indistinctly) separated, 



rugosely punctiired and dull all over. Ante-occipital furrows generally 

 pi-esent, but not sharply margined behind. Wings smoky-gi-ey (" rauch- 

 graue," Zaddach). Mesonotum with large, but shalloA\' and ill-defined, 

 punctiu-es. Sciitellum closely punctured in J , sparsely in 9 • Antenna? 



much as in carinatus. Length, 8.y mm. — 9 mm .fumosus, Zadd. 



(nee Stephens !). 



— Vertical area and tempora distinctly separated, their siirface always more 



or less shining between the punctures 31. 



31. Tempora roiuided (i.e., not sharply margined) behind, and without definite 



ante-occipital transverse fiuTows (at most somewhat flattened) 32. 



— Tempora quite sharply margined behind, and with well marked ante- 



occipital f lU'rows 33. 



32. Mesonotum strongly and evenly punctured on all its lobes. <? with the 8th 



abdominal segment above apparently slit (fissus, Htg.) nearly from 

 base to apex, i.e., it is chitinized only at the sides and membranous 

 (whitish) down its middle. ? Avith saw-sheath widened (but much 

 less so than in picipes) right up to its apex ; and with the edges of the 

 apical incision in the middle of the Gth ventral-plate pale, so that the 

 polished brownish hypopygium appears to jaroject between two oblique 

 white streaks. Wings with a slight brown infuscation. Cenchri large 

 and generally clear white (but I have seen Scottish specimens in which 

 this character seems to fail). Antenna) of 9 short and subfusiform, 

 thickened in the middle, the 3rd joint evidently longer than the 4th. 

 In the S they are longer and more setiform. Body broad and stoixt. 



Length, about 9 mm. ( J ) to lO.l mm. ( 9 ) nigratus, Miill. 



{= fissus, C). 



— Mesonotiun comjiaratively finely punctured on the side lobes, quite shining 



near the tegula;. Superficially not unlike nigratus, but the J has the 

 8th abdominal segment above simple (not "slit"!) and the 9 saw- 



