8 CATALOGUE OF 



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

 Cofjueh. III. Icon. Hi. 91, pi. 21, f. 9. Tridaclylus fasciatus, Perch. 

 Guer. Icon. pi. 54, f. 5. Griff 1 . Anim. Kingd. xv. 196, pi. 113, 5. 

 . Ztocr. cfe VEgypte, Orth. pi. 3, f. 2. Acheta fossor, Fa&r. ^n<, 

 u^/. 191. Xya fossor, Burm. Handb. Ent. ii. 742. 



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



6. TRIDACTYLUS MAJOR. 

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

 Bengal. 



7. TRIDACTYLUS JAPONICUS. 



Gryll us (Xya) japonicus, Haan, Verh. Nat. Gesch. Ned. Ind. Bez. Ins. 238. 

 Japan. 



8. TRIDACTYLUS OBSCUBTTS. 



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), Burm. Handb. Ent. ii. 742. 



1. RHIPIPTERYX MARGINATUS. 



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

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



a /. 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, Burm. Handb. Ent. ii. 742. 



Brazil. 



3. RHIPIPTERYX LIMBATUS. 



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

 Brazil. 



4. RHIPIPTERYX ATEB. 

 ater, Serv. Hist. Orth. 318. 



aa. Fore legs not fossorial. 

 b. Head concealed. 



Genus 5. MYMECOPHILA. 



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

 Eur. 158. Sphaerium, Charp. Hor. Ent. 78. Burm. Handb. Ent. ii. 

 729. Brulle. Gryllus, Savi. Blatta, Pans. 



