LIST OF FISH. 93 



Rhinobatus Djeddensis, Forsk. Descr. 18. Linn. Gm. 15 11. 



Rhinobate, Lacep. i. pi. 6. 



Raie bohkat, Lacep. i. 139. 



Rhinobate laevis, Block, Schneid. t. 71. 



Walawab Teukee, Russell, 10. 



Rhinobate lisse, Diet. Sci. Nat. 19. 



Rhinobatus kevis, Cuv. Reg. An. 2 ed. ii. 396. 



Rhinobatus Djeddensis, Rupp. Alt. 54, t. 13, f. 1. Benn. Life of 



Raffles, 693. 

 Rhinobatus Duhamelii, Blainv. Faun. Fr. 148. 



a. Indian Seas ? 



b. Stuffed. Red Sea. From Dr. Riippell's collection. 

 Rhinobatus Djeddensis, R'uppell. 



c. India. Young. Presented by T. E. J. Boileau, Esq. 



2. The belly-fins begin immediately behind the attachment of the 

 breast-fins ; these pass imperceptibly into the snout. Both back-fins 

 upon the hinder part of the tail of equal size. The belly-fins are 

 four-cornered, longer than broad, rounded before, pointed behind. 

 Tail-fin without an uuder lobe. The keels of the tail begin behind 

 the belly-fins, and pass on converging to the under edge of the tail- 

 fin. Mouth straight, transverse or gently arched forwards. Teeth 

 pavement-like, flat, with a more or less sharp cross ledge. Spout- 

 holes close behind the eyes. A row of pores beneath the scapular 

 girdle. — Rhinobatina. 



Rhinobatis (§ B), Mull. §• Henle, Mag. Nat. Hist. ii. 89, 1838. 

 Rhinobatides, Mull. <$• Henle, Plug. 

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

 Rhinobatina?, part, Swains. Cab. Cycl. 319, 1839. 



3. RHINOBATUS. 



The skull is prolonged forwards into a keel ; the interspaces 

 betwixt it and the inner borders of the breast-fins are culicular. 

 Snout more or less sharp. The upper nasal-flap consists, as in 

 Rhinchobatus, of an outer, more slender and longer, and an inner, 

 broader and shorter lappet. The outer lappet is slender, but reaches 

 with its rounded point up to the under margin of the nostril, and is 

 not sharply divided from the inner lappet; the outer lappet is nearly 

 in the middle of the upper edge of the nostril ; the inner one 

 extends more or less widely inwards. Spout-holes and eyes encom- 

 passed by a common wall of skin. The upper eyelid has a middle 



