1. OPHIOCEPHALUS. 469 



Si/nopsis of the Sjiecies. 



I. Shields on the upper surface of the head of moderate or large size. 



No ocellated spot iu the adult state. 



A. 29-37 dorsal rays. 



1. 0. puuctatus. 2. O. aifinis. 4. O. kelaartii. 



8. O. gachua. 



B. 38-45 dorsal rays. 

 «. L. la 50-58. 



* Larger teeth none. 



5. 0. rhodotaDnia. 



* Larger teeth in the lower jaw only. 



0. (). niystax. 8. 0. melanopterus. 9. O, cyanospilos. 



7. O. melanosoma. 10. O. striatus. 



* Larger teeth in the lower jaw, on the vomer and the palatine 



bones. 



11. O. polylepis. 



b. L. lat. 60-70. 

 12. 0. bankanenais. 13. O. lucius. 15. 0. obscurus. 



14. O. siamensis. 



C. 50-53 dorsal rays. 



16. O. barca. 17. 0. nigricans. 18. 0. grandinosus. 



II. A black ocellus on the caudal fin. 



19. O. marulius. 20. O. pseudoniandius. 22. 0. pleurophthalmua. 



21. O. niaridioides. 



III. Shields on the upper surface of the head small. 



23. 0. argus. 24. 0. maculatus. 25. O. micropeltes 



(stevensii). 



1. Ophiocephalus pimctatus. 



Ophicephalus punctatus, Bl. taf. 358; JBl. Schn. p. 237; Cuv. Sf Val. y\\. 



p. 404 ; Bleck. Verhand. Batav. Genootsch. xxv., Bengal, en Hin- 



clost. p. 95. 



karrouvei, Lac^. iii. p. 552. 



latus, Buck. Ham. Fish. Gang. pp. C3, 637. tab. 34. fig. 18. 



indicus, McClell. Calc. Journ. Nat. Hist. ii. p. 583. 



D. 29-31. A. 20-22. L. lat. 40. L. transv. 4/9. 



Three or four large teeth on each side of the lower jaw. The 



3. Ophicephalus miliaris, Cuv. ^ Val. vii. p. 4.39. — China. 



4. iris, Cuv. ^ Val. vii. p. 439. — China. 



5. jovis, liichards. Ichth. Chin. p. 252. — China. 



6. theophrasti, Val. in Jacq. Voy. Ind. Poiss. pi. 13. fig. 1. 



7. leucopunctatus, Sy/ces in Trans. Zool. Soc. ii. p. 352. tab. 60. fig. 3. 



— Dekkan. 



riiilypiioides surakartensis, Bleek. Blenn. en Gob. p. 19, is, according to 

 a communication from Dr. v. Blceker, the young of some sj^ecies of 

 Ophiocephalus. 



