NO. 1213. A LIST OF JAPANESE FISHES— JORDAN AND SNYDER. 337 

 Family RHINOBATID^. 



RHINOBATUS SCHLEGELI Miiller and Henle. 



Tokyo (Otaki). 



Family RAJID^E. 



RAJA MEERDERVOORTI Bleeker. 



The specimen identified as above is a female, 585 mm. in lenirth, 

 collected by Mr. Otaki, in Tokyo. 



Disk broader than long, the length eight times, the width ten times 

 the distance between nostrils. Vent slightly nearer tip of snout than 

 end of tail. Interorbital space deeply concave, snout acute; its 

 length from eye two and one-fourth times the distance between nos- 

 trils. Teeth small, round and flat; six rows in each jaw. Nostril flaps 

 coarsel}" fringed posteriorly. Diameter of iris equal to that of spiracle. 

 Dorsal fins similar in shape; inserted near end of tail; space between 

 fins equal to diameter of iris; the first fin when depressed falling far 

 short of insertion of the second. Caudal fin small, the lobe confined 

 entirely to upper part of tail. No lateral folds on tail. A row of 

 strong, curved spines on the front and upper margins of eye; the spines 

 extending backward about to posterior edge of spiracle. A median 

 and two lateral rows of larger spines on tail; two of the median row 

 between the fins; the spines of the lateral row point outward; two 

 minute spines on upper part of tip of snout; a narrow, elongate patch 

 of prickles on the ventral side of the anterior edge of disk between 

 rostral cartilage and pectoral rays. Color in alcohol, brownish above, 

 without spots; light below. 



RAJA KENOJEI Miiller and Henle. 



We describe a mature male 490 mm. in length, collected by Mr. 

 Otaki. Locality, Tokyo, 



Disk broader than long; the width nine times the length measured 

 to posterior end of pectoral, seven and one-half times the distance 

 between the spiracles. Length of snout measured from eye, one and 

 two-thirds times the distance between the spiracles. Vent midway 

 between tip of snout and end of tail. Interorbital space concave; con- 

 tained one and two-thirds times in width of mouth. Snout blunt. 

 Eyes smaller than spiracles. Dermal flaps covering the deep furrows 

 between nostrils and corners of mouth, fringed posteriorly. Dorsal 

 fins separated by a space equal to diameter of the iris, the first fin 

 when depressed just reaching insertion of the second; membrane of 

 second dorsal almost separated from the very small caudal fin b}^ a 

 deep notch. Tail with a broad lateral fold which extends almost to 

 its tip. A row of stout spines above the eyes; 4 strong spines on a 

 line in middle of back between the branchial chambers; tail with 

 Proc. N. M. vol. xxiii 22 



