254 CATALOGUE OF 



lateralibus obsoletis, lateribus subrotundatis, raargine postico recto. Meso- 

 thurax et ineiaihurax sat magiii. Abdomen parvum, subtuberculatum, 

 tborace angustius non longius. Pedes crassi ; femora intermedia biserialim 

 sexspiiiosa ; femora postica biseriatim spinosa ; tibiae quatuor anteriores 

 triseriatim spinosae ; tibiae postica? biseriatim spinosae, apice calcaratae. 



Mak. Body thick, shining, much arched, nearly smooth. Head 

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

 punctured space between the antenna? ; front flat, erect. Eyes small, pear- 

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

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

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

 clavate, longer than the second. Antennae stout, approximate at the base, 

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

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

 metathorax large. Abdomen small, slightly tuberculate, narrower and not 

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

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

 with fifteen 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 tibia with four spines on each side beneath; fore tibiae with one 

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

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

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

 tarsi stout, second and third joints short; ungues long. Wings none. 



This genus has some affinity to the Raphidophoridce. 



1. MABSA \BCUATA. 

 Mas. Fulva ; faciesfusca, basifulva ; antenna picece, basifulvce. 



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

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

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



a. Sasketehwan. 



Genus 54. DECTICUS. 



Decticus, Serv. Rev. 59. Hint. Orth. 482. BrulU, Burnt. Handb. Ent. ii. 

 709. Fisch. de W. De Borck Ramb. Fisch. Orth. Eur. 268 Locusta, 

 Fabr., Zett., Philippi^ Charp., Hagenb. Anisoptera, Latr. Fam. Nat. 

 413; R. Anim. v. 184. Serv. Rev. Acrida, Curtis, Kirby, Steph. 

 Cat. Micropteryx, Slcph. III. Chelidoptera et Metriophora, Wes- 

 mael Decticus et Platycleis, Fieber. 



Europe and N. W. Asia. 



Sect. 1. Sub-genus PLATYCLEIS, Fieb. 



1. DECTICUS GRISEUS. 



Gryllus griseus, Linn. Faun. Snec. 548 Locusta grisea, Fair. Ent. Syst. ii. 



" 41. Latr. Hist. Mif. xii. 131, pi. 95, f.2. Zett.Orlh.Suec.65. Schajf. 



Icon. pi. 190, f. 1, 2; pi. 263, f. 1,2. Var. pi. 62, f. 14 ; pi. 258, 



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



