76 CATALOGUE OF 



//. Second joint of the hind tarsi hardly apparent, 

 m. Wings complete. 



Genus 30. PLATYDACTYLUS. 



Gryllus, Deg., Oliv., Guerin — Achela, Fab. — Platytlactylus, BrullS, Hist. 

 Nat. Ins. ix. 17t). Serv. Hist. Ortli. 'MVi. Eneoptera, Bnrm. Handl. 

 Ent. ii. 736— Grvllus (Platydactylus) JIaan, Verh. Nat. Gesch. Ned. 

 hid. Bez. Ins. 233. 



America. 



1. Platydactylus surixamensis. 



Gryllus surinamensis, Deg. Ins. iii. 519, pi. 43, f. 1 — Gryllns brasiliensis, 

 Oliv. Enc. Melh. vi. (534 — Achela l>rasiliei)s>is, Fabr. Ent. SyH. ii. 30 

 — Grvllus Servillei, Guer. Icon. Regn. Aniin. pi. o4, f. 1 — Platy- 

 dactylus surinanieusis, BruUe, Hist. Nat. Ins. ix. 17(i. Serv. Hist. 

 Orlh. 305, pi. t), f. 1 — Eneoptera Brasiliensis, Durm. Handb. Ent. ii. 

 73fi — Gryllus (Platvdaclyhis) brasilieusis, Ilaan, V'er/i. Nat. Gesch. 

 Ned. Ind. Bez. Ins' •233. 



a. Demerara. From Mr. Bowers' collection. 



2. Platydactylus vicixus. 

 vicinus, Serv. Hist. Orlh. 365 — surinamensis, uias. ? 

 Buenos Ayres. 



3. Platydactylus bicolou. 

 bicolor, Scudder, Cent. Orth. Dec. Gnjll. 

 Bogota. 



4. Platydaciylis consimilis. 



Fcem. Testaceus, tomentosus ; caput facie lineaque transversa nigrieante 

 marginata pallide favis ; oviduclus abdomini aguilongns ; cerci 

 hreviores ; tibi(C postic(C ierratcE, extus ifttadrispinosa, inlus quinque 

 spinnfit ; alu anlica abdomen siii>erantes, tinea subcostali e gutlis 

 nigris ; alee posticu vaide longiores. 



Female. Testaceous, tomentose. Head shininj: in front, pale yellow 

 towards the mniuh and with a pale yellow transverse line between ihe eyes; 

 ihis line is ditfusedly bordered with Matkish on the hind side. Eyes tawny, 

 slichlly j>rominenl. Third joint of ilie palpi slishily securiform. Abdomen 

 shininp, wiih three piceous dorsal stripes, the middle stripe concise, the 

 other t^ii broad and iiicouiplete. Cerci rather shorter than iheoviduct. Ovi- 

 duct slightly curved upward, black at the tip, as long as the abdomen. 

 Hind tibiiE serrated on each side, with four spines on the outer side and 

 with tive spines on the inner side. Fore wIhl's extending beyimd the abdo- 

 men, in structure like those of P. surinamensis ; a row of black dots alunf; 

 the extemo-medi.il vein: a)>iual triangle pale cinereous. Hind wings 

 extending much beyond the fure wings. Length of the body 13 lines. 



