TANYMECUS. 85 



Length, 6, 9|-14, $ 13-15| mm.; breadth, S ^4-44, $ 

 4|-5| mm. 



Bfema : Bhamo {Fea — type). Bengal: Piisa {C. W. Mason); 

 Laksham, Ti])perab (Pusa Coll.) ; Daltonganj ( Pusa Coll.) ; Purneah 

 (0. Paiva — Ind. Mus.) ; Sarda (F, W. Champion). 



Types (S $ ia the Dresden Museum. 



At the time when I examined the type of T. xanthurus the 

 Bengal specimens here referred to T. mixtus were not available. 

 There now seems some doubt whether the separation of these 

 two species will really hold good. 



44. Tanymecus marginalis, Gyl. (fig 24, p>)' 



Tanymecus inaryinalis, Gyllenhal,* Schunb. Geu. Cure, ii, 1834, 



p. 87. 

 Tanymecus lateralis, FShrfeus,* op. cit. vi, pt. 1, 1840, p. 221. 

 Esavms viridive^itris, Chevrolat,* Ann. Soc. Eut. France, 1880, 



p. 259. 

 Asemus kderalis, Faust, Ann. Mus. Civ. Geneva, xxxiv, 1894, 



p. 179 (1895). 



Colour black, wdth thin yellowish-grey scaling dorsally, the 

 prothorax and elytra with a denser lateral yellow stripe, on the 

 elytra this stripe does not reach the margin and is usually dusted 

 externally m ith pale bluish-green scales, being occasionally very 

 indistinct ; the underparts grey, but often with a distinct greenish 

 tinge. 



Eyes sliort oval, moderately prominent. llostrum slightly 

 sinuate at the apex, with a shallow dorsal impression and some- 

 times with a faint carina. Antennce with the scape reaching, or 

 slightly exceeding, the posterior margin of the eye, the two basal 

 joints of the f unicle equal. Prothorax as long as broad, its sides 

 subparallel from the base to beyond the middle, then gradually 

 narrowed to the apex, closely and shallowly punctate, without 

 any trace of a central carina. Elytra acuminate behind, slightly 

 shorter and broader in the $ , apices with a short sharp mucro ; 

 punctato-striate, the juxta-sutural strife slightly deeper and almost 

 impuuctate towards the apex, stria 9 shallowly impressed before 

 the middle, the posterior callus absent ; the setse short and 

 depressed. Legs ferruginous, with tliin scaling, the tibiae not, 

 or only obsoletely, denticulate. 



Anal segment of 2 rounded at the apex, with a shallow apical 

 impression and two basal striae ; the third ventral segment with 

 a shallow lateral impression on each side and slightly retracted 

 under the second. 



Length, S 9-10, $ 7-9 mm. ; breadth, J 3^-31, ? 2|-3| 

 mm. 



Nepal [teste Paust). Bengal : Barisal (//. J/. Lefroy — Pusa 

 Coll.); Port Canning and Matia, tSundarbans (J. T. Jen'kins — 

 Ind. Mus.) ; Khargpur {11. Hodgart — Ind. Mus.) ; Salt Ijakes, 



