250 NORTHERN ZOOLOGY. 



ORDER ORTHOPTERA. Oliv. 



I. SALTATORIA. Lat. 



Family LQCUSTID^. Locustidans. 



CXLI. Genus LOCUSTA. Leach.o 



(344) 1. Locusta leucostoma. White-mouthed Locusta. 



L. (leucostoma) rufescenti-nigricans , prothorace posticc subcarinato ; labro, palpis apice, mandibularumque macula magna, 



albis ; antennis pedibusque rufescentibus. 

 White-mouthed Locust, blackish with a reddish tint ; prothorax subcarinated posteriorly ; upper lip, apex of the palpi, and 



large spot of the mandibles, white ; antennae and legs reddish. 



Length of the body 13^ lines. 



A single specimen taken in Lat. 65°. 



DESCRIPTION. 



Body obscurely rufous, clouded with darker shades. Upper lip, and large spot of the mandibles, 

 white ; palpi reddish with the two last joints whiter, summit black ; antennae as long as the trunk, 

 which on the upper side is subpubescent : last segment of the prothorax carinated : tegmina cinere- 

 ous, with piceous and rufo-piceous nervures ; and at the base is a longitudinal mesal series of black 

 spots : the legs are rufo-testaceous, with the summit of the thighs and the spines black ; the pos- 

 terior thighs above are clouded with the same colour. 



(345) 2. Locusta verruculata. Warty Locust. 



L. (verruculata) cinerea, nigro obscure irrorata ; prothorace toto rugoso, carinato, dorso verruculato , antermis pallidis apice 



nigris, thorace brevioribus. 

 AVarty Locust, cinereous obscurely powdered and spotted with black ; the whole of the prothorax is wrinkled and carinated ; 



and its upper surface warty : antennae pale, black at the tip, shorter than the thorax. 



Length of the body 12J lines. 



A single specimen taken in Lat. 57°. 



6 Gryllus Locusta L. See Zool. Journ. ii, 431. 



