Sept. i894] LeNG & BKUTKN.Mii I.I.F.K. Coi.i:OPT. N. V. A.MIR. 



133 



1 Ciixiil cavilies. 



2 Kpimrron. 



3. Mesostcina. 



4. Meliisicrii.i 



PRELIMINARY HAND - BOOK OF THE 

 COLEOPTERA OF NORTH EASTERN AMERICA. 



1!) ChARI.KS W. I.KNf; \- \Vm. 1>1 rTKN.MUl.I.I.R. 

 (CONTINIIKI) FUOM l'.\r,K 96.) 



Ill the present pan of the 1 laiid-liook no 

 attempt has been made to give detailed descrip- 

 tions of tiie genera under consideration, only the 

 essential characters of each genus being given. 

 For further information regarding the Carabida,-, 

 the student is referred to Dr. (leo. H. Horn's 

 invaluable paper on the genera of Carabidne, 

 published in the Transactions of the American 

 Entomological Society, iSSi, Vol. IX, pp. 91 — 

 196. The plate was kindly drawn by Mr. I,. II. 

 Joutel. 



CARAI'.ID.K. 



The Carabid;v are divided into three sub-families, viz.: Cara- 

 bina2, Harpalin;\) and Pseudomorphina; ; they may be separated as 

 follows : 



Middle coxal cavities not entirely enclosed by the sterna, the epinu-ion i>( 



the niesostermim attaining tiie coxa . . Cara'^ina*. 



Mitldle coxal cavities entirely enclosed by the sterna; tlie epimcn n not 



attaining the coxa Harpalina*. 



Head with distinct antennal grooves .... Pseudomorphina'. 



Cakaiun.k. 

 Omophron /m/. 

 Oval, convex, scutelUim concealed ; prosterniim prolongcil and 

 covering the mesosternum. 



The members of this genus live in holes in saiuly places along 

 the banks of streams, rivers and ponds. 



.Sy//o/>s/s of species. 

 Elytra! strife obliterated both at sides and apex. 



Dark brown or black, margin testaceous 

 Elytral stride obliterated at apex only. 



Metallic green, with testaceous border .... 

 Elytra strite indistinct at apex : 14 striate. 



Testaceous, with transverse broken metallic green ni.ii kings 

 Elytral strice distinct : 15 striate. 



labiatum. 



iiitidum. 



robustum. 



