4'.*t; MVLlullATIIi.t. 



Group B. CERATOPTERINA. 

 124. DICEROBATIS. 



Ceplialoptera, Dioncril (preocoupiiMl). 



1 )icerobatis, Bldiitvillc. 



Cei)liali>ptera ct Mobxila, Any. Dmncrd, Ela^mohr. p. G50. 



Head free from the pectoral fin, triincnted in front, on each side 

 with a straight horn-like ajjpendage pointing forwards, which is a 

 cephalic portion of the pectoral tin. Nostrils widely separate from 

 each other. Mouth inferior, wide. Teeth in both jaws very small, flat, 

 or tubercular, in numerous scries. Tail very slender, with a dorsal 

 fin between the ventrals, and with or without a serrated spine. 



Temperate and tro])ical seas. 



These tishes, as well as those of the following genus, are fre- 

 quently called Sea-devils, and attain to an enormous size. 



1. Dicerobatis ^ornae 



S(iualu3 edeutulus, Brunn. Pi.sr. .T/^ss. p. G 

 Oiorna, Mem. Ac. Sc. Turin, ii. 180-"), p. 4, 

 Raja giorna, Laccp. v. p. OUO ; Jeni/us, M(ui. p. 515). 



fabvoniaiia, Laccp. ii. p. 1 11, pi. 5. 



Aodon cornii, Laccp. i. p. .'!()0. 



Cephalo))tcra giorna, Cwr lier/ne An.: likso, Lchth. Kice,-p. 14; Eur. 



Mcrld. iii. p. 10.3, pi. T) ; Milll. 8> IhnU, p. 184 ; YarrcU, Brit. Fish. 



2iid edit. ii. p. 59o, or, 8rd edit. ii. p. 000; Valenc. in IFebb i^' 



Bcrthcl. lies (Ja)iar. p. it?, pi. 22 ; Ihwieril, Elafunohr. p. 053. 

 niassena, Rism, Ichth. Nice, p. 15, and Eur. Merid. iii. p. 104; 



Duntcril, I. c. p. 054. 

 ? Mobular, Duhaind, Peschcs, iii. sect. ix. p. 293, pi. 1 7. 

 ? Iiiija cophaloptnra, Bl. ScJut. p. 3()5. 

 ? Dicerobatis mobular, Bluinv. Faune Franc, p. 41. 

 ? Raja tliabolus, Shaw, Zool v. 2. p. 291. 

 T'ephaloptera, Thomps. I'roc. Zool. Soc. 1835, p. 78; M' Coy, Ann. iS" 



Maff. Nat. Hist. 1847, xix. p. 17(), pi. 11. 

 Ox-Ray, Conch, Fish. Brit. Isl. i. p. 139, pi. 33. 

 Ceplialoptera fabroniana, Dumcrd, Elasmohr. p. 058. 



Teeth minute, in more than 150 series exteniing nearly to the 

 angles of the mouth ; those of the middle have a rounded shape. 

 Back smooth, with miiuite scales behind. Tail with more or le.ss 

 nuraenjus tubercles, and with a spine. 



Mediterranean and coasts of Europe. 



a. Fine female example, 5 feet broad. Algiers. Presented by 

 Lieut. -Col. Play fair. 



2. Dicerobatis japonica. 



Ci'pbaloptera japonica, Midi. <<\- Ilode, Plar/. p. 185; l^chlcy. Faun. 

 Japiin. Foi-if. p. ■'(lO. 



Teeth very minute, obtuse tubercles, extending laterally to the angles 

 uf the mouth. Tail nearly thrice as long as the body. Back rough: 

 tail wilb a series of small white tubercles on eajch vide. (M. S: II.) 

 Jiioaii. 



