99. NKMACHILXTS. 347 



edged ocellus on the base of the upper half of the caudal fin. Dorsal 

 and caudal fins finely mottled with brown. 

 Bengal. 



a. Three inches and a third long. Presented by G. R. "Waterk^ute, 



Esq. 



99. NEMACHILUS*. 



Cobitis, sp., Artedt. 



Nemacheuus, van Hasselt, Algem. Konst- en Letierh. ii. 1823, p. 133. 



Cobitis, arict. 



Acanthocobitis, Peters^ Monatsher. Ak. Wiss. Berlin, 1861, p. 712. 



No erectile suborbital apine. Six barbels, none at the mandible. 

 Dorsal fin opposite to the ventrals. Air-bladder enclosed in a bony 

 capsule. 



Europe and Asia (South Africa ?) . 



The species may be subdivided thus : — 



1. Dorsal fin with more than twelve rays, p. 348. 

 II. Dorsal fin with less than twelve rays, 



A. Body crossed by brownish bands descending to the abdomen, 



p. 350. 



B. Body with narrow yellow transverse bars, p. 354. 



C. Body without any, or with incomplete cross bands. 



1. Caudal fin rounded or truncate, p. 354. 



2. Caudal fin distinctly eroarginate, p. 359. 

 Appendix, p. 361. 



* 1. Cobitis persa, Meckel, in Riissegger's Reisen, ii. 3. p. 266.— Persepolis. 



2. rubripinnis, Jerdon, Madr. Jour n. Lit. 8c Sc. xv. 1849, p. 332 ; ? Day, 



Fish. Malab. p. 203.— Malabar. One of these authors states A. 6, the 

 other A. 2/7. 



3. mysorensis, Jerdon, I. c. — Mysore. 



4. montanus, Jerdon, I. c. — Coorg. 



5. carnaticus, Jerdon, I.e. p. 331. — Carnatic. 



6. scaturigina, {Buchanan, MS.) M'Clell. Ind. Cypr. pp. 308, 443, 



pi. 53. fig. 6.— Bengal ? 



7. Schistura zonata, M'Clell. Ind. Cypr. pp. 308, 441, pi. 53. fig. 1.— Assam. 



8. Cobitis chlorosoma, M'Clell. Ind. Cypr. pp. 305, 437, pi. 52. fig. 3.— 



Assam. 



9. zonaltemans, Blyth, Journ. As. Soc. Bengal, 186§, p. 172. — Ten- 



nasserim. 



10. cincticauda, Blyth, I. c. — Tennasserim. 



11. zebrata, Castelnau, Potss. Afr. Austr. p. 56. — CapeTo^rn. 



12. punctifer, Castelnau, I.e. — Cape Town. 



13&14. rupelli and C. mooreh, Sykes, Trans Zool. Soc. ii. p. 366, pi. 64. 



fig. 1.— Dekkan. D. 12-13. 

 15. merga, (Krynicki) Nordm. inDemid. Toy. Russ. Mirid. iii. p. 470; 



Kessler, Bull. Soc. Nat. Mosc. 1859, i. p. 540 ; Cobitis nurga, Cuv. 4' Vul. 



xviii. p. 24. — Southern Russia. 



