254 CATALOGUE OF 



lateralibus obsoletis, lateribns subrotundatis, marjjine poslico recto. Meso- 

 thorax et inelaihorax sal inaj^iii. Abdomen parvum, subluberculatum, 

 iboraee angustins non longius. Pedes crassi ; femora intermedia biserialim 

 sexspinosa ; femora posliea biserialim spinosa ; tibiae quatiior anleriores 

 triseriatim spinosae ; tibis poslicee biserialim Sj)in()saB, apice ealcaraiae. 



Male. Body thick, shininfr, much arched, nearly smooth. Head 

 short, a little narrower than the prothorax, with a very narrow and slightly 

 punctured space between the antennae ; front flut, erect. Eyes small, pear- 

 shaped, not prominent. Palpi thick. Maxillary palpi about twice the 

 length of the labial ; fourth joint shorter than ihe third ; fifth linear, exca- 

 vated beneath, longer than the third. Third joint of the labial palpi 

 clavale, longer than the second. Antennae slout, approximate al the base, 

 longer than the body. Prothorax convex, without lateral keels; fore 

 border and hind border straight; sides slightly rounded. Mesothorax and 

 raetathorax large. Abdomen small, sli.'htly tuberculate, narrower and not 

 longer than ihe prothorax. Cerci stout. Legs thick, not long; fore 

 femora unarmed ; middle femora with six spines on each side ; hind femora 

 with fifieen minute spines on the outer side; the inner side with the same 

 number of spines, some of which are very large, others very small; lour 

 anterior tibiae with four spines on each side beneath; fore tibiae wilh one 

 spine above ; middle tibiae with four spines above ; hind tibiae wilh three 

 large spines on the outer side and wilh four on the inner side, and with 

 several minute spines on each side and with an apical circlet of six sjiurs ; 

 tarsi stout, second and third joints short; ungi\es long. Wings none. 



This genus has some affinity to the Raphidophoridce. 



1. MaRSA arc U ATA. 



Mas. Fulva ; fades fusca, basifulva ; antenna picece, basi fulvce. 



Male. Tawny. Face mostly brown. iMandibles black. Eyes 

 piceous. Antennae piceoiis, tawny towards the base, spines of the legs and 

 ungues wilh black tips. Length of the body 9 lines. 



a. Sasketehwan. 



Genus 54. DECTICUS. 



Decticus, Serv. Rev. 59. Hist. Orth. 482. Bruile, Burm. Handh. Ent. ii. 

 709. Fuch. de W. De Bnrck Ramb. Fisch. Orth. Eur. 268— Locusta, 

 Fabr., Zctt., Philippi, Charp., Hagenb. — Anisopiera, Latr. Fam, Nat. 

 413; R. Anim. v. 184. Serv. R^v.— Acrida, Curtis, Kirbij, Sleph. 

 Cat. — Micropteryx, Steph. III. — Chelidoptera et Metriophora, Wes- 

 mael — Decticus el Platycleis, Fieber. 



Europe and N. W. Asia. 



Sect. 1. Sub-genus PLATYCLEIS, i^iei. 



1. Decticus griseus. 



Gryllus griseus, Linn. Faun. Suec. 548 — Lncusta grisea, Fabr. Ent. Si/st. ii. 



'41. Latr. Hist. Nat. \\\.\ 31, ^\. 95, f. 2. Zett. Orth. Suec. 65. Schaf. 



Icon. pi. 190, f. I, 2; pi. 263, f. 1,2. Var. pi. 62, f. 1—4 ; pi. 258, 



f. 1,2. Roesel, Ins. ii. pi. 20, f. 10. Savigny, Descr. Eyypt. Orth. 



