446 EHINOBATIDiE. 



Clnnn, p. 195; Schleg. Faun. Japan. Poiss. p. 207; Sleek. Act. Soc. 

 Sc. Imlo-Xeeii. iii. Japan, iv. p. 41. 

 Rhinobatus liymiicephalus, Richards. Ichth. CJtiii. p. 195. 



The anterior nasal valve is slightly continued towards the median 

 line by a short fold*, which is far from reaching that of the other 

 side. The distance between the inner angles of the nostrils is 

 rather less than the length of a nostril. Snout produced, narrower 

 in young and male specimens than in adult females. Mouth nearly 

 straight ; the teeth in the lower jaw are equal in size. Upper parts 

 finely granular, nearly smooth, with scarcely a trace of minute 

 tiibercles along the median line of the back. 



Japanese and Chinese seas. 



a, h. Adult female (28 inches) and young. Japan. Purchased of 



Mr. Jamrach. 

 c. Adult male (30 inches) : stuffed. Japan. 

 d-e. Half-grown. Formosa. From Consul Swinhoe's Collection. 



9. Eliinobatus banksii. 



Rhinobatus (Syrrhina) banlisii, Aliill. ^- Hcnle, pp. 123, 192 : Dumeril, 

 Elasmohr. p. 490. 



The anterior nasal valve is continued towards the median line by 

 a short fold, which, however, is far from reaching that of the other 

 side. Th* distance between the inner angles of the nostrils is more 

 than the length of a nostril. Snout produced. Mouth arched ; the 

 median teeth of the lower jaw larger and more prominent than the 

 lateral. A series of small tubercles along the middle of the back, 

 and two short rows on each shoulder. 



Australia. 



10. Eliinobatus columnsB. 



Rhinobatus s. Squatinoraja, Colmma, Phytohosanos, tab. 27 ; Willuf/h- 



hji, p. 79, tab. D 5. fig. 1. 

 Rhinobatus (Syrrhina) columnse, Miill. Sf Henle, p. 11-3 ; Bonap. 



Faun. Ital. Pesce ; Costa, Fcmn. Regn. Nap. Chondrott. pi. 10 ; Du- 



mei'il, Elasmohr. p. 486. 

 ( ) annulatus, Miill. 8,- Henle, p. 116 ; Smith, III. Zool. S. 



Afr. Pise. pi. 16 ; Pa2}pe, Edible Fish, p. 32 ; Dumeril, I. c. p. 487 ; 



Kner, Novara, Fisch. p. 416. 

 Raja rhinobatus, Gronov. S//st. ed. Grai/, p. 10. 

 Rhinobatus (Syrrhina) polyophthalmus, Bleek. Verh. Bat. Gen. xxvi. 



N. Nalez. Japan, p. 129, or Nat. Ti/ds. Ned. Ind. vi. p. 423 ; Act. 



Soc. Sc. Indo-Neerl. iii. Japan, iv. tab. 4. 



The anterior nasal valve is continued towards the median line by 

 a fold which nearly meets that of the other side. Snout rather pro- 

 duced, the distance between the external angles of the nostrils being 

 two-fifths of the distance of the mouth from the end of the snout. 

 Cleft of the mouth straight, longer than the nostril. Tlie upper 

 rostral ridges convergent in front. Back very finely granular, with 



* Tbi.s appears to have been overlooked by Miiller and Henle, who ought to 

 have referred this species to the subgenus Syrrhina. 



