FISHES OF THE PHILIPPINE ISLANDS AND ADJACENT SEAS 413 

 Subgenus Pastinachus Ruppell 



DASYATIS BENNETTII (MUller and Henle) 



Trygon bennettii Muixer and Henle, Syst. Beschr. Plagiostomen, p. 160, pi. 52, 



1841 (type locality: China and Trinidad).— Gunther, Cat. Fishes British 



Mus., vol. 8, p. 480, 1870 (China, India, British Gui'ana ) .— Tirant, Service 



Oceanogr. Peches Indo-Chine, 6" Note, p. 77, 1929 (Cochinchina). 

 Trygon bennctti MOller and Henle, Syst. Beschr. Plagiostomen, pi. 52, 1841. — 



Richardson, Ichth. China Japan, p. 197, 1846 (China Sea).— Gray, List 



fish British Mnsenm, p. 118, 1851 (China).— Bleekee, Nederland. Tijdschr. 



Dierk., vol. 2, p. 55, 1865 (Amoy).— Day, Fauna British India, Fishes, vol. 1, 



p. 52, 1889. 

 Trygon hennctU Elera, Cat. Fauna Filip., vol. 1, p. 620, 1895 (Luzon, Manila). 

 Trygon (Hcmitrygon) bennctti Dumeril, Hist. Nat. Elasmobr., vol. 1, p. 595, 



1865 (no locality). 

 Dasybatus bennetti Garman, Mem. Mus. Comp. Zool., vol. 36, p. 383, 1913 



(compiled). 

 Dasybatus (Pastwachus) bennctti Chevey, Inst. Oceanogr. Indochine, W Note, 



p. 7, 1932 (Cambodge). 

 Dasyatis bennettii Fowler, Proc. 4th (1929) Pacific Sci. Congr., Java, p. 505, 



1930 (reference). 

 Dasyatis bennetti Fowler, Hong Kong Nat., vol. 1, p. 178, 1930 (compiled). 

 Trygon cornea Richardson, Ichth. China Japan, p. 197, 1846 (type locality: 



China Sea, Macao). — Dumeril, Hist. Nat. Elasmobr., vol. 1, p. 595, 1865 



(reference). 



Head to hind spiracle edge 8% in total length. Snout 1% in head 

 to hind spiracle edge, as seen above ends jn nearly even triangular 

 point; eye 5, 3I/2 in snout, 2% in interorbital ; mouth width 2% in 

 preoral length ; internarial 2 ; interorbital 2 in head to hind spiracle 

 edge. Spiracle close behind and Uttle larger than eye, interspiracle 

 space 1%- 



Skin smooth in young, with age rough with pavement of scales 

 and tubercles on middle of back and tail, asperities less close set be- 

 hind caudal spine. 



Tail with serrated spine about first eighth its length, long as 

 snout ; narrow fold below about long as caudal spine ; pectorals form 

 subrhomboid disk, length 2i/^ in tail, very slightly longer than wide, 

 front edges nearly straight, outer angles and hind edges broadly 

 rounded. 



Above grayish yellow, tail darker. Below white. (Midler and 

 Henle.) 



India, China, Cochin China, Amoy. Also reported from the 

 Philippines by Elera. Dumeril gives the length of an example in 

 the Paris Museum as 914 mm. 



DASYATIS LATUS (Garman) 



Trygon lata Garman, Bull. Mus. Comp. Zool., vol. 6, p. 170, 1880 (type locality: 

 Hawaiian Islands). — GiJNTHER, Journ. Mus. GodefEroy, pt. 17, p. 493, 1010 

 (copied). 



