FAMILY CARABIDiE. 61 



Genus CARABUS. 

 Labruni l)il<)batc ; niaiuUbles furnished with a tooth in the middle ; mintiuu-t<M)tli entire; 

 thorax subcordatc, emarginate behind ; palpi with the last joint i=ccuril"orni ; antennse 

 linear, second joint shortest, third cylindric ; wings rudimentary or none. Anterior 

 tiirsi of males dilated. 



Carabus viNCTUs (Weber) ; C. interruptus (Say). ( Plate xxi, fig. 11.) 



Head and tlinrax smooth, blue-l)lack. Elytra black, faintly bronzed, and marked with 



punctured lines : the three interrupted lines are sharply elevated, and the metallic 



points are reilected I'rom these interruptions. Length eight- to nine-tenths of an inch. 



Caiu\dus sERiiATis ^Say). (Plate xxi, fig. 12.) 



Color blade, with blue and purplish hues which are reflected from the margins of the 

 elytra and thorax : head and thorax plain and glossy black ; margins of the thorax 

 elevated and punctured. Elytra thickly punctured in about twelve rows : if taken in 

 threes, there are three rows of ovoidal parallel impressions without punctures. Length 

 seven- to eight-tenths of an inch. 



Carabps limbatus (Say). (Plate xxi, fig. 16.) 



Color black : head and thorax smooth and glossy black. Elytra piu^lish black, bordered 



with blue and purplish hues, and marked by seventeen or eighteen punctured lines : 



three of these lines ai-e broken by stellate or cruciform markings. Length nine-tenths 



of an inch. 



Genus CALOSOMA (Web.). Carabcs (Lin.). 

 Laljrum bilobed ; thorax transverse, shorter than wide ; abdomen subquadrate, wider 

 behind than before ; wings large ; palpi with the last joint ovate, tnmcate ; labiiun 

 short broad, the upper margin setose acuminated ; mcntum sublinear, rounded late- 

 rally, unidentate in the middle. Antenna?, second joint shortest ; third longest, com- 

 pressed. 



Calosoma scritator. (Plate X, fig. 8.) 



Head blue-black : thorax l)lue-black, surrounded with golden green. Elytra green with 

 purjilish reflexion and bordered with cupreous, marked with punctured lines : the 

 ridges between are transversely marked with numerous lines ; each elytrum is also 

 ornamented with three r«>ws of distant green dots, which are not very conspicuous. 

 The whole body benciith is green, with steel-blue rellections : legs steel-blue, and the 

 thighs are punctured with four or five rows of dots ; tarsi and tibisp dusky. Length, 

 exceeds an inch : alwut 1 \ inches. 



