170 ENTOMOLOGICAL NOTES, 



Black ; head black, palpi rust-coloured : protliorax black, with a 

 margin of pure silvery white, and a triangle, with its base towards 

 the head and its apex towards the elytra, of the same colour : 

 elytra rust-coloured, with an obscure yellow mark near the base 

 and a distinct one on the disk of each, the latter somewhat 

 resembling the letter T, of a dull yellow margined with black : 

 the podex is white, with its margin and a quadrate central spot 

 black ; this spot is at the lowest point connected with the black 

 margin ; beneath black, the sides having white stripes : the legs 

 are rust-coloured, with the femora darker- 



Inhabits Mexico. Presented by Mr. Walker to the cabinet 

 of the Entomological Club. 



Trie, bistriga. Nigerrimus^ pilosus : utriimque elytron., lineis 

 duabm tenuihus testaceis, oblique tramversis, alterdque suh- 

 sutiM'ali, signatum. (Corp. long. .4 unc. ; lat. .225 unc.) 



Black ; shining ; partially covered, more particularly beneath, with a 

 long grey pilosity : each elytron is marked with two slender 

 obliquely transverse testaceous lines, and another longitudinal 

 line of the same colour runs on each side of the suture. 



Inhabits the United States of North America. Presented 

 by Mr. Walker to the cabinet of the Entomological Club. 



Natural Order. — Carabites, Newman. 



Genus. — Eutoma, Neinnan. 



{'aput, cum mandibulis, latitudine longior; oculis vix prominentibus : 

 antennae vix capitis longitudine, sub clypeo, ad mandibularum 

 basin, insertse ; 11-articulatae, moniliformes, extus sensim cras- 

 siores ; articulo ultimo longiori : clypeus dentibus duobus acutis 

 duobusque obtusis armatus ; labrum sub clypeo occultum ; mandi- 

 bulae validse, porrectse, subtrigonaj, extus subrotundatae, intus 

 tridentatae : maxillarum, lacinia extus subincurva intus dense 

 pilosa, apice ungue instructa ; galea biarticulata, articulo basali 

 brevi, apicali cylindrico quintuplo longiori ; maxipalpi 4-articulati, 

 articulis 1°. ad 3"". brevibus, 4°. majori, latiori, securiformi: labium 

 profunde emarginatum, dente medio valido ; labipalpi breves, 

 3-articulati, articulo ultimo omnin6 majori, latiori, securiformi : 

 prothorax capite vix latior antice truncatus capitem recipiens, 

 postice rotundatus, sed ultra productus, constrictus, quasi petio- 

 latus : elytra linearia, thorace capiteque paullo angustiora : pedes 

 breves; protibiae validae, subdilatatae ; extus dentibus duobus 

 validis, intus spinA mediana denteque apicali valido armatoa. 



