270 BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



ISISTIUS BRASILIENSIS (Quoy and Gaimard) 



Scymnus irasiliensis (Cuvier) Quoy and Gaimard, Voy. TJranle, Zool., p. 198, 

 1824 (type locality: Brazil). 



Scymnus {Scymnus) brasiUensis MiJx.LEB and Henle, Syst. Beschr. Plagiostomen, 

 p. 92, 1841 (Mauritius, St. Jago, Rio Janeiro).— Dumeril, Hist. Nat. Elas- 

 mobr., vol. 1, p. 453, 1865 (types of Scymnus unicolor and Scymnus tor- 

 quatus). 



Dalatias hrasiliensis Gray, List fish British Museum, p. 76, 1851 (reference). 



Isistius irasiliensis Gunther, Cat. Fishes British Mus., vol. 8, p. 429, 1870 

 (South Pacific, Gulf of Guinea). — Peters, Monatsb. Akad. Wiss. Berlin, p. 

 853, 1876 (lat. 14° S., long. 118° E., in Indian Ocean ) .—Satjvage, Hist. Nat. 

 Madagascar, Poiss., p. 511, 1891 (reference). — Waite, Rec. Austral. Mus., 

 vol. 3, p. 195, text figs. 1-2, 19(X) (teeth) (Lord Howe Island) ; vol. 5, p. 141, 

 1904 (Lord Howe Island).— Regan, Ann. IMag. Nat. Hist., ser. 8, vol. 2, p. 

 55, 1908 (tropical and subtropical seas). — Garman, Mem. Mus. Comp. Zool., 

 vol. 36, p. 238, 1913 (tropical and temperate seas). — Fowler and Ball, 

 Bishop Mus. Bull. 26, p. 5, 1925 (note). — Whitley, Journ. Pan Pacific Inst., 

 vol. 2, No. 1, p. 3, 1927 (Fiji).— Fowler, Mem. Bishop Mus., vol. 10, p. 23, 

 1928 (Honolulu) ; Proc. 4th (1929) Pacific Sci. Congr., Java, p. 497, 1930 

 (Hawaii) ; Mem. Bishop Mus., vol. 11, No. 5, p. 314, 1931 (reference). 



Isistius hrasiliensis Macleay, Proc. Linn. Soc. New South Wales, vol. 6, p. 368, 

 1881 ("Australia" on Kner). 



Squalus fulgcns F. D. Bennett, Narr. Whaling Voy., vol. 2, p. 255, 1840 (type 

 locality: Lat. 2yo° S., long 163° W. ; lat. 55° N., long 110° W.).— G. Ben- 

 nett, Gatherings Nat. Australasia, p. 66, 1860 (copied). 



Scymnus torquatus (Valenciennes) Muller and Henle, Syst. Beschr. Plagi- 

 ostomen, p. 93, 1841 (no locality). 



Scymnus unicolor (Valenciennes) MtJiXER and Henle, Syst. Beschr. Plagiosto- 

 men, p. 93, 1841 (type locality: Mauritius). 



Leius ferox Kner, Denkschr. Akad. Wiss. Wien, Math.-nat. Kl., vol. 24, p. 10, 

 pi. 4, figs. 2-2a, 1865 (type locality: Australia). — Whitley, Mem. Queens- 

 land Mus., vol. 10, pt. 4, p. 200, 1934 (reference). 



Apristurus spongiceps (not Gilbert) Jordan and Jordan, Mem. Carnegie Mus., 

 vol. 10, p. 3, 1922 (cast of Honolulu specimen). 



Echinorhinus Irucus (not Bonnaterre) Fowlee, Occ. Pap. Bishop Mus., vol. 8, 

 No. 7, p. 375, 1923 (Honolulu). 



Body longer than tail, slender, tapering behind. Snout short, 

 obtuse, tapers little from eye, depressed above, length % its width; 

 eye large, long as snout in profile, pupil rounded ; mouth wide, trans- 

 verse, width greater than snout length and deep labial folds around 

 angles; teeth in 20 rows in jaws, narrow upper ones more slender, 

 broadly lower triangular, erect, entire, not notched; nostrils nearly 

 at first third in snout ; interorbital and head above depressed, surface 

 convex. Gill openings small, before and all little above pectoral 

 origin, last half width of first. Spiracles large, deep, transverse, 

 length % of eye and about % eye diameter behind eye. 



Skin with small, simple scales, close set in pavement. 



Dorsals and ventrals behind middle in total length; dorsals small, 

 rounded, first above and little before ventral origin; second dorsal 



