THE FISHES OF SAMOA. 183 



Family SPHYKNID.€. 



SPHYENA Kafinesque. 



22. Sphyrna zygsena (Linnieus). M<tlit-i-litli<i<i. Samoa; Hawaii; Fiji; New Guinea; warm seas. 

 Tlie common hammerhead is abundant at the reefs of Samoa, as also at Hawaii. Two specimens 



preserved from .\pia. 



Famiiv ALOPIID^. 



ALOPIAS KafineBque. 



23. Alopias -v-iilpes ((imelin). Hawaii; warm seas. 



Family L.\M\ID^. 



ISUROPSIS Gill. 



24. Isuropsis g-lauca (Miiller & Henle). Hawaii; tropical Pacific. 



CARCHARODON Smith. 



25. Carcharodon carcharias (Linmens). Hawaii; warm seas. 



Family SUU.XLIU.^. 

 SQ,1TALUS Linnaeas. 



26. Squalus mitsukurii .Ionian & Snyder. Hawaii; Japan. 



ETMOPTERTJS Rafinesque. 



27. Etmopterus villosus Gilbert. Deep waters of Hawaii. 



CENTROSCYLLIUM Miiller & Henle. 



28. Centroscyllium ruscosum Gilbert. Deep waters of Hawaii. 



ISISTITTS Gill. 



29. Isistius brasiliensis (Quoy & Gaimard). South Pacific, off Fiji; Brazil; Guinea. 



Family RHIN0B.\TID.4-:. 

 RHINOBATUS Bloch & Schneider. 



30. Bhinobatus granulatus Cuvier. New Guinea; Bougainville Is. ; East Indies. 



31. Rhinobatus thouini Miiller & Henle. Hood Bay, New Guinea (Maclea)'). 



32. Bhinobatus joram Montrouzier. Louisiades. 



Rhlnohatus joram Montrouzier, .\nn. Soc. Lyons. 18.56, 220, Woodlark I. (Louisiades I. 



Family DASYATIU.€. 



DISCOBATIS Macleay & Macleay. 



This genus is near Urolophus, but has no fin on the tail. The skin is smootii, tlie disk circular, 

 the veutrals entire, and the teeth small. (Not Discobatus Garman 1880, a Japanese genus.) 



33. Discobatis marginipinnis Macleay & Macleay. Admiralty Is. 



Disriihatix ;nrtr;;/ni>i'7in/s Macleay & Macleay, Proe. Linn. Soc, N, S, W, 188.5, 67i;. pi. 46. 

 DASYATIS Rafinesque. 



34. Dasyatis sclera Jenkins. Hawaii. 



35. Dasyatis lata Garman. Hawaii. 



36. Dasyatis hawaiiensis Jenkins. Hawaii. 



37. Dasyatis kuhli (Miiller & Henle). New Ireland; East Indies. 



38. Dasyatis trig-onoides (Castelnau). New Caledonia. 



I:iuia iXn,tr}/goii) tniionoides Castelnau, Proe. Zool. Soc, Vict, 1873, 121, New Caledonia: a sting ray with the spine 



