92 LIST OF FISH. 



1. RHINA. 



Snout rounded before. Spout-holes close behind the eyes. The 

 upper and under nasal-flaps reach up to the inner corner of the 

 nostril. The undulation of the mouth very bold. The teeth 

 almost round, not broader than long. 



Rhina, Block, Schneid. 72. Cuv. Reg. An. 2 ed. ii. 396. Mull. <$• 

 Henle, Mag. Nat. Hist. ii. 89, 1828. Plagiost. 110. Bonap. 

 Selac. Tab. Anal. Swains. Cab. Cycl. 319 (not Rafin) 



1. Rhina ancyclostomus. 



Rhina ancvclostomus, Block, Schneid. 352, t. 72. Cuv. Rig. An. 

 2 ed. ii. 396. Agassiz, t. H, f. 3, 4. Gray $■ Hard. 'Must. 

 102, f. 2. Mull. 4- Henle, Plag. 110. Owen, Odontl. t. 

 33 (teeth). Rich. Rep. Brit. Assoc. 195, 1845. 



Hab. — Indian Ocean . 



a. Stuffed. Adult. Madras. Presented by T. C. Jerdon, Esq 



b. Stuffed. Young. China. Presented by J. R. Reeves, Esq. 

 e. Teeth. Adult. Penang. Presented by Dr. Theodore Cantor. 



2. RHYNCHOBATUS. 



Snout elongated, pointed with a keel in the middle, which tapers 

 gently forward. The space between the keel and the inner edge of 

 the breast-fin is composed of skin. Spout-holes immediately behind 

 the eyes. Upper eyelid with a simple projection. The upper and 

 under nasal-flaps do not reach up to the inner corner of the nostril, 

 but only up to half of them ; on the outside of the same on the up- 

 per edge of the nostril a narrower ledge. The undulations of the 

 mouth feeble, particularly the side ones. Teeth broader than long, 

 with a transverse wreath. A transverse arched row of pores on the 

 ventral side of the scapular chain. 



Rhvnchobatus, Mall. $• Henle, Mag. Nat. Hist. ii. 89, 1838. 



Plagiost. 111. Bonap. Selac. Tab. Ann I. 

 Rhinobatus (§ 1), Cuv. Reg. An. 2 ed. ii. 396. 



1. Rhynciiobatus L.EVIS. 



Rhynchobatus lsevis, Mull, y Henle, Plag. 111. 

 Rhinobatus, Duham. sect. 9, pi. 15. 



