NEW BRITISH SPECIES, ETC., IN 1861-62. 109 



of the thorax, on each side of which is a parallel, distinct and 

 deeply impressed line; the latter in canaliculatu7n, &c., beino^ 

 oblique and faint; also remarkable for the dilatation of the 

 tibice. 



A single specimen taken by Mr. Waterhouse. 



123. Ptenidium fuscicorne, Erichs., Ins. Deutschl. iii. 



37,4. 

 picipesj Matth., Zool. 7067 (1860); Wat. Cat. 

 I am informed by Mr. Matthews that his P. picipes has 

 proved identical with fuscicoriie, Erichs. ; hence the latter 

 name claims priority. 



124. Ptenidium formicetorum, Kraatz, Stett. Ent. Zeit. 



(1851), p. 167; Rev. A. Matthews, Zool. 7976 (1862). 



Next before P. apicale, Erichs., in our lists, but smaller 

 and narrower than that species, with the thorax less convex 

 and elytra more pointed at the apex ; the latter entirely 

 bright rufo-piceous. 



Detected by Mr. Matthews in his own collection, amono; 

 p. apicale, Erichs. 



125. Lathridius rugosus, Herbst, Col. v. 6. 3, Tab. 44, 



f. 3, c. C; Gyll., Ins. Suec. iv. p. 140, 20 (Lat7'idius]; 

 Mann., in Germ. Zeits. fiir die Entom. vol. v. (1844), 

 p. 90, sp. 28; G. R. Waterhouse, Proc. Ent. Soc. 

 1st Dec. 1862. 

 In the collections of Mr. Waterhouse and Rev. A. 

 Matthews. 



126. Myrmecoxenus vaporariorum, Guer., Ann. Soc. 



Ent. Fr. (1843), p. 70, pi. ii. f. 1 ; Wat. Cat. p. 103 

 (1861). 



