318 PROrEEDINCS OF THE NATIONAL MUSEUM. vol. xxv. 



Family GALEORHINID.E. 



2. TRIAKIS SCYLLIUM Miiller and Henle. 



Three .sinall .specimens in the eoUection, till unspotted: No. GKIO, 

 Formosa, F. I., 6173 (Tlx), Formosa, F. I., Olll (T2x), Formosa, F. I. 

 A larger one. No. 12250, Formosa, F. 1., is spotted and Imnded as in 

 Japanese specimens. 



3. GALEORHINUS JAPONICUS (Miiller and Henle). 



One rather small specimen. oTo mm. in length, No. OKKS, Formosa, 

 F. I. 



4. SCOLIODON WALBEEHMI (Bleeker). 



A sino-le specimen, 525 mm. in length, differs from descriptions of 

 this species only in the slightly shorter snout and interspace between 

 anal and ventrals. No. 6166, Formosa. F. I. 



Family SPHYKNID.F:. 



5. SPHYRNA ZYGvENA (Linnaeus). 

 One small specimen in the collection. No. T3x = 6165, Formosa, F. 1. 



Family SQUALID.F. 



6. SQUALUS, species. 



Two fcetuses. One of these has been compared with a ftetus of 

 Squalus mitsuhirU^ from Misaki. The Formosa specimen has the dor- 

 sal spines considerably lower and the snout shorter. It may ]>elong to 

 some different species. Dorsals and pectoral largely black, with white 

 edgings in both. No. 6169. Formosa, F. I. 



Family KHINOBATID.F. 



7. RHINOBATUS SCHLEGELI Miiller and Henle. 



Oui- specimen, which is 190 nun. in length, is without tubercles on 

 the median line of })ack. No. 6170, Formosa, F. I. = 70xx. 



Family DASYATID.E. 



8. DASYATIS AKAJEI (Schlegel). 



Description of specimen No. 6115 = 77x. Formosa, F. I. Length 

 of di.sc, 210 mm.; Avidth 1| length; snout 1 times in length of di.sc; 

 interorbital width twice snout; tail 2 times length of disc; disc some- 

 what broader than long and rounded at the pectoral angles; snout 

 slightly produced beyond the oblique anterior edges of the disc; inter- 

 orbital space with a large triangular depressed area; snout with a 



