18 NORTHERN ZOOLOGY. 



transportation. 8 It has been in my custody more than twelve months since it was taken out of the 

 spirits, and it has never been at all mouldy, nor has it ever suffered from the attack of Acari, &c. 

 from which other insects preserved with it have not escaped, which leads me to conjecture that 

 immersion in spirits, if for a sufficiently long period, renders an insect distasteful to the little 

 devastators of our cabinets. 



(14) 2. Carabus ligatus. (Knoch.) Ligatured Carabus. 



Carabus ligatus. Germ. Ins. i, C, 10. 



■ carinatus. De J. Coleopt. ii, 80, 35 ? 



Length of the body 1\ lines. 



Taken in Canada by Dr. Bigsby. 



DESCRIPTION. 



Body black and glossy. Head oblong, impunctured, separated from the neck by a transverse 

 slender curving ridge forming anteriorly a deep sinus ; ridge, defending the base of the antenna;, 

 conspicuous ; frontal impressions long, not deep ; antenna? not much longer than the prothorax : 

 prothorax nearly square, black slightly bronzed ; sides lightly punctured, lateral margin reflexed ; it 

 is faintly channelled, depressed transversely at the base, with a punctured impression on each side : 

 elytra bronzed, subdepressed with scarcely any sinus at the apex, lateral margin reflexed and cari- 

 nated : each clytrum with thirteen or fourteen rows of impressed punctures ; a triple series of oblong 

 discoidal elevations ; interstices with numerous transverse linear impressions : abdomen underneath 

 smooth with a few minute punctures on the sides. 



The insect here described agrees with Germar's description of Knoch's C. ligatus, but it is doubt- 

 ful whether it be synonymous with C. carinatus of De Jean. In most respects, indeed, it accords 

 precisely with his description, but the head is not slightly punctured, as he states his specimens to be. 



VII. Genus CALOSOMA. Fab. 

 i. * Subgenus. Chryso stigma. 



Calosoma. Maxillary Palpi with the last joint of the length of the last but one. 



Elytra gilded. 

 Chrysostigma. Maxillary Palpi with the last joint shorter than the last but one. 

 Elytra obscure with gilded punctiform impressions. 

 The Genus Calosoma clearly admits of being divided into two families. The first, which I re- 

 gard as the typical family, including C. Sycophanta and C. Scrutator, distinguished by the golden 

 splendor of its whole upper surface, and by having the last joint of the maxillary palpi of the same 

 length with the preceding one ; and the other, including the rest of the known species, not remark- 

 able for the lustre of their upper surface, but for several rows of gilded punctiform impressions or 

 stigmata upon their elytra, and distinguished by having the last joint of the above palpi shorter than 

 the last but one. 



S Introd. to Ent. 5th Ed. iv, 541 . 



