FISHES OF THE PHILIPPIKE ISLANDS AND ADJACENT SEAS 419 



Disk smooth. Tail tuberculate. Series of 7 median spines, in- 

 creasing in length to sixth, which about y^ length of tail, seventh 

 considerably less. 



Tail subequal to body length, with cutaneous fold below ending 

 before tip of tail, deepest anteriorly where % diameter of tail above ; 

 large caudal spine preceded by small one; pectorals form disk little 

 wider than long, front edges also longer than hind edges ; front pro- 

 file of disk as seen above broadly convex, with very small median 

 pomt, lateral and posterior angles rounded. 



Dark greenish slate above, whitish below. Reaches 1,830 mm. 

 (Barnard.) 



South Africa. The type destroyed. 



DASYATIS BREVICAUDATUS (Button) 



Trygon hrevicaudatus Hutton, Ann. Mag. Nat. Hist., ser. 4, vol. 16, p. 317, 1875 

 (type locality: Dunedin Harbor, New Zealand); Trans. Proc. New Zea- 

 land Inst., vol. 8, p. 216, 1876. 



Dasyhatis brevicaudatus Hutton, Index Fauna New Zealand, p. 53, 1904. 



Dasyiatus hrevicaiidatus Waite, Rec. Canterbury Mus., vol. 1, No. 2, p. 151, 

 pi. 22, 1909 (off Table Cape and Bay of Plenty, 34-55 fathoms).— Gaeman, 

 Mem. Mus. Comp. Zool., vol. 36, p. 385, 1913 (New Zealand). 



Dasyatis 'brevicaudatus McCulloch, Biol. Res. Endeavour, vol. 3, pt. 3, p. 102, 

 pi. 15, fig. 1, pi. 17, fig. 1, 1915 (Bass Strait, in 60 fathoms).— McCulloch 

 and Waite, Trans. Proc. Roy. Soc. South Australia, vol. 39, p. 461, 1915 

 (Great Australian Bight, in 22 fathoms). — Waite, Rec. South Australian 

 Mus., vol. 2, p. 31, fig. 44, 1921.— McCulloch, Proc. Linn. Soc. New South 

 Wales, vol. 46, pt. 4, p. 462, text fig. 2 (tail), 1921 (New South Wales and 

 South Australia, in 20-40 fathoms) ; Fishes of New South Wales, ed. 2, 

 p. 12, pi. 3, fig. 36c, 1927.— FowLEK, Proc. 4th (1929) Pacific Sci. Congr., 

 Java, p. 505, 1930 (reference). 



Bathytoshia hrevicaudata Whitley, Rec. Austral. Mus., vol. 19, No. 1, p. 61, 

 1933 (reference). 



Trygon thalassia (not Miiller and Henle) Hectoe, Colonial Mus. Governm. 

 Surv. Dept. (Fishes New Zealand), p. 85, 1872 (dried tail) ; Trans. New 

 Zealand Inst., vol. 8, p. 216, 1876. 



Trigon thalassia Hector, Handb. New Zealand, p. 16, 1879. 



Head to hind spiracle edge 5%o "^ total length. Snout II/2 in head 

 to hind spiracle edge; eye 8, 6 in snout, 4 in interorbital ; mouth 

 width slightly less than 1% in preoral length; lateral teeth tubercu- 

 lar, inner each with angular cusp with longest on median line; 

 broad fimbriated flap behind upper jaw and 5 papillae inside lower, 

 of which outer pair smaller than and remote from other 3; inter- 

 narial little less than their distance from snout tip, outer angles of 

 lobe acute, hind edge with narrow papillose flap forming 2 small 

 lobes near median line; interorbital 2i/4 in head to hind spiracle 

 edge. Spiracles very large, longer than broad, 1% in interorbital. 



Disk smooth above and below. Tail smooth basally, few small scat- 



