722 CATALOGUE OF 



-\ — \- Hind bolder of the piotliorax rounded. - 29. Glyphanus. 



t^i-en Head very large. . - - . 30. Lepkus. 



++++ Prothorax much elongated. - - 32. Trachypetra. 



ff Hind border of the prothorax truncated. 14. Chrysochraon. 



** Head globose, very prominent. - - 26. Mastax. 



b. Body much compressed. 



* Prothorax crested. - - - 33. Chrototypds. 



** Prothorax not crested. ... 34. Hippiscus. 



B. Hind legs hardly formed for leaping. 



a. Transverse furrow of the prothorax well defined. 35. Pneumora. 



b. Transverse furrow of the prothorax indistinct. 36. CYSToCiELiA. 



The following genera are omitted in this Synopsis. Tomonotus, 

 Sauss.; H ippopedon, (Sausi.; Hyalopteryx, CAar;j. ; Brachypeplus, C/tarp. ; 

 Phlceoba, Sial; Onorisa, Stal; Sinipta, Stal. Tomonotus appears to 

 include two or three genera. Hippopedon is placed next to Stauronolus. 

 Brachypeplus may be associated with Leprus. Phloeoba and Sinipta are 

 described as closely allied to Hyalopteryx, and this genus comes next to 

 Oxycoryphus. 



Genus 1. PACHYTYLUS. 



Gryllus, Linn., Fabr., Rossi, Zett., Charp., Panz., Phil., Ralz., Ramb. — 

 Atridium, Deg., Lair., Wesm., Costa — Psopha, Fieber — CEdipoda, 

 Burm. Fisch. de W. Serv. De Borck — Locusta, Leach, Steph., Curt. 

 — Pyryodera, Fisch. de W. — Pachytylus, Fieb. Kelch, Orth. Oberschles, 

 5. Fisch. Orth. Eur. 392. 



Europe. 



A. Prothorax not highly crested. 



a. Keel of the prothorax low in front. - - migratorius. 



b. Keel of the prothorax of equal height. - - cinerascens. 



B. Prothorax highly crested. _ - - - - armatus. 



1. Pachytylus migratorius. 

 -, Roes. Ins. ii. Gryll. 145, pi. 24. Frisch. Ins. Deutsch. ix. pi. 1, 



f. 8 — Gryllus (Locusta) migratorius, Linn. Syst. Nat. i. 2,700 — Gryllus 

 migratorius, Fabr. Ent. Syst. ii. 53. Zett. Orth. Suec. 74. Phil, 

 Orth. Ber. 27. Ratz. Forst. lus. iii. 275, pi. 14, f. 3, F. Charp. Hor. 

 Ent. 131. Don. Brit. Ins. viii. pi. 270 — Acridium migratoriura, 

 Deg. Ins. ed. Goeze, 304, pi. 23, f. 1. Latr. Hist. Nat. xii. 150. 

 Costa, Faun. R. Nap. 2, pi. 1, f. 1 — CEdipoda migratoria, Cuv. R. 

 Anim. 3 Edit. pi. 86, f. 2. Fisch. de W. Orth. Ross. 292, pi. 12, f. 1. 

 De Borck, R'dtv. Ins. 100, pi. 3, f. 5 — Locusta migratoria, Steph. Ill, 

 Mand. vi. 20. Duncan, Nat. Libr. Ent. i. pi. 15, f. 1 —CEdipoda 

 migratorioides ? Rciche, Voy. Abyss, iii. 450, pi. 28, f. 4 — Acridium 



