184 NORTHERN ZOOLOGY 



(247) 9. * Leptura gulosa. Red-throated Leptura. 



L. (gulosa) linearis, nigra, supra nilida, subtus sericeo-argentea ; gula rufescenti ; elytris vitta postice abbreviate lulca ; apice 



truncatis. 

 Red-throated Leptura, linear, black above glossy, underneath silvery from silky hairs ; throat reddish ; elytra with a luteous 



stripe abbreviated posteriorly ; truncated at the apex. 



Length of the body 5 lines. 



Taken in Nova Scotia by Dr. Mac Culloch. 



DESCRIPTION. 



Very nearly related to the preceding species, from which it differs chiefly in being much smaller, 

 in having the underside of the body more thickly covered with hairs glittering like silver ; in having 

 the throat pale-red ; the fifth joint of the antennas longer than the fourth ; the punctures of the 

 elytra more numerous and scattered ; the yellow stripe running nearer to the apex of the elytra, 

 dilated at the base and not flexuose : the fore-breast also in the disk, the after-breast on each side, 

 and the base of the thighs are obscurely red : the tibia? are piceous. 



* tt b- 

 (248) 10. * Leptura subargentata. Subargent Leptura. 



L. [subargentata) linearis, nigra, punctulatissima , corpora subtus, prothoracisque angulis posticis ex pube subargenteis : eh/iris 



apice rotundatis. 

 Subargent Leptura, linear, black, very minutely and thickly punctured, with the body underneath, and the posterior angles 



of the prothorax rather silvery from down ; elytra rounded at the apex. 



Length of the body 4 lines. 



Taken in Lat. 65°. 



DESCRIPTION. 



Body narrow, entirely black, very minutely and thickly punctured, underneath glittering, but less 

 conspicuously with silver pile : antenna? shorter than the body, nearly filiform, fourth and fifth joints 

 of equal length : prothorax perfectly bell-shaped, anteriorly not constricted, posterior angles acute, 

 diverging and covered with silver pile : elytra rounded at the apex. 



