498 jiiLioi(Airi).K. 



1 . Ceratoptera vampjrrus. , 



? Zoe Duyvol, Nicnhuf, Lant- en Zce-lleizf, ii. p. 275 ; WilliKjhhy, p. 5, 



tub. 0. fifjr. ,3 ; iHiccr, (lazophyl. i. tab. 54. iig-. 2. 

 P Kiija iiiubriata, Laccp. iv. p. (>77, pi. !('>. iig. 3. 

 Ceplialopterus vampyrus, Mitch. Ann. Li/c. Kat. Jlist. New Yoj-k, 



1823, i. p. 23, pi. 2. lip. 1 (cop. in Isis, 18.{2,p. 10(53, taf. 28. fig. 4) ; 



Dehat/, New York Fmin. Fish. p. 377, pi. 07. fig. 219. 



giorna, Lcsiicirr, Juiirn. Ac. Nat. Sc. PJtihid. iv. p. 115. pi. 0. 



-Sea-Devil, Lamont, Edinh. Philos. Jonrn. 1824, xi. p. 113. 

 Oc)ilia!optera mant.a, Bancroft, Zoul. Joiir/i. i\. p. 444 (M.anta anie- 



ricana). 



(liabolus, J"(dciic. in Ciiv. Jlcf/nc An. illiiMr. Puisf. pi. 1 19. 



jolmii, Miill. iff Ilcnle, p. GOO, taf. 59. 



Diabolichtliys elliotti, Ilohnes, Proc. Elliuit Soc. Nat. Hist. Chariest. 



1 850, p. 39. 

 Ceratoptera vampirus, Dumeril, Elasmohr. p. GOO. 



The teeth extend over the whole width of the lower jaw ; they 

 arc arranged in about 100 longitudinal rows, the rows being sepa- 

 rated from one another by distinct interspaces. Tail about as long 

 as the body. The whole body and tail rough, equally covered with 

 small tubercular prominences. 



Atlantic. Attains .to a width of about twenty feet. 



a. Stuffed, 5 feet broad. Jamaica. Purchased of the United Ser- 

 vice Museum. 



This example was a foetus taken from the uterus of the mother, 

 captured by Lieut. St. John. She measured 15 fcot in width as 

 well as in length, and M^as between 3 and 4 feet thick. The foetus 

 weighed 20 pounds. 



2. Ceratoptera ehrenbsrgii. 



MiULSf Henle,\\ 187*. 



The teeth do not extend over the whole width of the lower jaw, 

 and are arranged in about 200 series, which stand close together. 

 Tail about ns long as the body. The whole body and tail rough, 

 covered with small tubercles with a stellate base. 



Red Sea. 



* On an unpublished plate of the ' Symbolrc Pliysic£c ' this species is named 

 " Ccphaloptera .stelligcra ;" the horns are horizontally bent inwards. 



