490 MYLTOBATIDJE. 



2. Myliobatis cornnta. 



Myliobatis aquila, Schleg. Faun. Japon. Foiss. p. 310, pi. 142. 

 ? Mylii)batis tobijei, JBleek. Verh. Fat. Gen. xxvi. iV. Nalez. Japan, 

 p. 130. 



The length of the disk is nearly two-thirds of its width. Median 

 line of the back without tubercles. A short conical horn above each 

 orbit. Snout rather produced. The median teeth of the upper jaw 

 five or six times as broad as long. The dorsal fin commences at 

 some distance behind the extremity of the ventrals. Coloration 

 uniform. 



Japan. 



a. Male. Purchased of Mr. Jamrach. — Length of disk ] 1 inches, 

 breadth of disk 18 inches, distance of the eyebrows 3g inches, 

 length of the snout Ig inch. 



3. Myliobatis vespertilio. 



Myliobatis railvus, Cant. Mai. Fish. p. 433 (not synon.). 

 vespertilio, Fleek. Verh. Fat. Gen. xxiv. Flag. p. 85. 



Disk at least twice as broad as long. Median line of the back 

 without tubercles. Snout somewhat produced. The dorsal fin com- 

 mences close to the extremity of the ventrals, beyond which it does 

 not extend. Orbit without horn. On the head and back a number 

 of distant anastomosing black lines, which on the anterior half of 

 the root of the pectorals are arranged transversely. On the rest 

 of the body the black lines form an open network. 



East-Indian archipelago. 



4. Myliobatis maculata. 



Gray, Illustr. Ind. Zool. ; Mull. 8f Henle, p. 178 ; Fleek. Verh. Fat. 

 Gen. xxiv. Flag. p. 84. 



A band of small tiibercles along the median line of the seapulary 

 region. Snout with the fleshy protuberance of moderate length, 

 obtuse. The dorsal fin stands between the ventrals, its origin being 

 conspicuously behind the end of the root of the ventrals. Orbit 

 without horn. Posterior half of the disk with brown-edged ocelli. 

 [No caudal spine.] 



Indian seas. 



a. Young. East-Indian archipelago. From Dr. Bleeker's Collec- 

 tion. 

 h. Young : stuflPed. India. Purchased of Mr. Argent. 



5. Myliobatis bovina. 



Myliobatis aquila, Fonap. Faun. Fal. Fesc. ; Lowe, Fish. Madeira, 



pi. 15. 



boviua, Geoffr. St.-Hil. Descr. Eg. Foiss. p. 323, pi. 26. fig. 1. 



episcopus, Valenc. in Webb <§• Ferthel, lies Canar. Ichthyol. 



p. 98, pi. 24. 

 bonapartii, Dmncril, Elastuobr. p. G35. 



