CATALOGUE OK 



Cons. Gen. pi. 25, f. 8. Serv. Hist. Orth. 314. — Acheta digitata, 

 Coqueh. III. Icon. iii. 91, pi. 21, f. 9. — Tridactylus fasciatus, Perch. 

 Gutr. Icon. pi. 54, f. 5. Griff. Anbn. Kingd. xv. 196, pi. 113, 5. 

 Sav. Descr. dc VEgypte, Orth. pi. 3, f. 2. — Aclieta fossov, Fabr. Ent. 

 SyU. Suppl. 191— Xya fossor, Burin. Handb. Ent. ii. 742. 



a, b. Natal. From M. Gueinzius' collection. 



6. Tridactylus major. 

 major, Scudder, Cent. Orth. Dec. Gryll. 

 Bengal. 



7. Tridactylus japonicus. 



Gryllus (Xya) japonicus, Haan, Verh. Nut. Gesch. Ned. Ind. Bez. Ins. 238. 

 Japan. 



8. Tridactylus obscueus. 



Xya obscura, Motsch. Bull. Soc. Nat. Mosc. xxxix. 182. — japonicus? 



Japan. 



cc. Four anterior tarsi 2-jointed. 



Genus 4. RHIPIPTERYX. 



Rhipipteryx, Newman, Ent. Mag. 204. Serv. Hist. Orth. 316. — Xya (Rhi- 

 pipteryx), Burnt. Handb. Ent. ii. 742. 



1. Rhipipteryx marginatus. 



marginatus, Newm. Ent. Mag. 204, pi. 7. Serv. Hist. Orth. 317. — Xya 

 (Rhipipteryx) marginata, Burnt. Handb. Ent. ii. 742. 



o— /. Venezuela. From Mr. Dyson's collection. 

 g. Oaxaca. From M. Salle's collection. 



2. Rhipipteryx Brullei. 



marginatus, Bruelle, Hist. Nat. Ins. iii. 35. — Brullei, Serv. Hist. Orth. 

 318. — Xya (Rhipipteryx) notata, Burnt. Handb. Ent. ii. 742. 



Brazil. 



3. Rhipipteryx limbatus. 

 Xya (Rhipipteryx) notata, Burnt. Handb. Ent. ii. 742. 

 Brazil. 



4. Rhipipteryx ater. 

 ater, Serv. Hist. Orth. 318. 



aa. Fore legs not fossorial. 

 b. Head concealed. 



Genus 5. MYMECOPHILA. 

 Myrmeeophila, Lair. Fam. Nat. 413. Serv. Hist. Orth. 318. Fisch. Orth. 

 Eur. 158.— Spbau'ium, Charp. Hor. Ent. 78. Burnt. Handb. Ent. ii. 

 729. Brulli.— Gryllus, Savi.— Blatta, Pans. 



