LOCUSTID^. 259 



antiecB fuscce^ breves, vitia discoidali viridi. Foem. — Obscurior ; 

 oviductus fulvus, arcuatus, abdomine longior ; alie am pice : alee 

 anticcB nigricantes, apud coslam cinerece ; alee posticie diaphavcEy 

 apice fuscescenles. 



Locusta sphagnoruni, Barnston, MSS. 



Male. Ferruginous, smooth, shining. Head a little narrower than 

 the prolhorax, with a conical broad flat protuberance between the antennae ; 

 some whitish marks along the hind border and towards the mouth ; front 

 erect, with two short slender parallel whitish streaks. Eyes small, slightly 

 oval, hardly prominent. Third joint of the maxillary palpi much longer 

 than the fourth; fifth subclavale, truncated and blackish at the tip, much 

 longer than ihe third. Antennae much lon<rer than the body. Prolhorax 

 bordered with green on each side, much rounded on each side in front, 

 narrower towards the hind border, which is slightly rounded; hind part 

 with a slight keel. Hind borders of the abdominal segments fjreen on 

 each side; ventral segments with a broad whitish stripe; tip whitish 

 beneath. Legs testaceous ; hind femora with a black streak on the outer 

 side; tibiae dull green; four anterior tibiae with three rows of spines; hind 

 tibiae with four rows of spines. Fore wings l)rown, with a green stripe in 

 the disk, extending to half the length of the abdomen. Female. — Darker. 

 Oviduct lawny, curved upward, longer than the abdomen. Wings much 

 longer ihan the body. Fore wings blackish, cinereous along the costa, 

 rather longer than the hind wings. Hind wings pellucid, pale brownish at 

 the tips ; transverse veins white. Length of the body 7^ Unes ; expansion 

 of ihe fore wings of the female 24 lines. 



a—e. St. Martin's Falls, Hudson's Bay. Presented by Dr. Barnston. 



Sect. n. 



Fcem. Corpus robuslum, glabrum, apterura, subtus nitens. Caput 

 proihorace paullo angustius, antice nitens et erectum, tuberculo inter an- 

 tennas puncio rotundato sulcato. Oculi non globosi. Palpi maxillares 

 longi; articuli 3us et 4us subaequales; 5us clavatus, 4o valde longior. 

 Prolhorax longuisculus, siilcis duobus transversis angulatis, carinis late- 

 ral ibus bene determinatis, lateribus valde rotundatis, margine postico rotun- 

 dato. Abdomen prothorace multo longius. Oviductus corpore aequilongus. 

 Tibiae qualuor anteriores Iriseriatim spinosae. 



Female. Body stout, smooth, wingless, shining beneath. Head a 

 little narrower than the prothorax, shining in front, prominent and rounded, 

 and with a longitudinal furrow between the eyes; a slight transverse furrow 

 between the front and the face; face with two oblique furrows, whicli con- 

 verge towards the clypeus. Palpi with the apical joint clavale and trun- 

 cated. Maxillary palpi long; first and second joints very short; third and 

 fourth nearly equal in length; fifth very much longer than the fourth. 

 Prothorax elongate, with two slight angular transverse furrows, the hinder 

 one much more deeply angular than the other one; lateral keels sharply 

 defined, very slightly curved inward ; sides very much rounded ; hind 

 biirder rounded. Abdomen lanceolate towards the tip, much longer than 

 the prothorax. Oviduct as long as the body. Fore tibiae with five spines 

 on each side and with two spines above; middle tibiae with five spines on 



