26 BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



Mouth large, with labial folds around angles on both jaws. Teeth 

 small, cusps 3 to 7, median strongest. Nostrils separated from one 

 another by broad isthmus, no groove to mouth, inferior ; front valves 

 without cirri ; hind valves short, not extended backward. Gill open- 

 ings small, last above pectoral base. Spiracle small, close behind eye. 

 Scales fine. Series of small flat spines on each side of upper caudal 

 edge above sensory area. Dorsals 2, small, first fin above or behind 

 ventral. Anal little before second dorsal. Caudal axis not elevated. 

 Subcaudal rather large. Muscular portions of pectoral bases closely 

 enveloped by muscles of body. 



Small sharks, usually found in moderate depths. The egg capsules 

 are often more or less rounded at one end and the horns very short 

 at the other. They are said to be deposited in pairs, or two at one 

 time. 



Besides the species noticed below two others are extralimital : 



GALEUS JENSENI (Saemnndsson) 



Pristiurus jenseni Saemundsson, Vid. Medd. Nat. Forh. Kjobenhavn, vol. 74, 

 p. 169, pi. 4, fig. 1, pi. 5, fig. 3, 1923 (type locality: Iceland). 



GALEUS MELASTOMUS Rafinesque 



Oaleiis melastomus Rafinesque, Caratteri animali piante Sicilia, p. 13, 1810 

 (type locality: Sicily). — Fowlek, Bull. Amer. Mus. Nat. Hist, vol. 70, pt. 

 1, p. 40, fig. 8, 1936 (Madeira; Morocco; Mediterranean; Norway). 



ANALYSIS OF SPECIES 



0*. Galeus. Upper edge of caudal peduncle and caudal fin armed with enlarged 

 denticles. 



5\ Body variegated with indistinct cloudings eastmani 



6'. Body largely uniform, except row of white points along lateral line. 



hertwigi 

 6*. Body largely uniform ; fins mostly with dusky or blackish terminally. 



sauteri 



o^ Figaro. Upper and lower edges of caudal peduncle, as well as upper caudal 



edge, armed with enlarged denticles ; dark cross bands on upper half of 



body boardmani 



Subgenus Galeus Rafinesque 



GALEUS EASTMANI (Jordan and Snyder) 



Pristiurus eastmani Jordan and Snyder, Smithsonian Misc. Coll., vol. 45, p. 



230, pi. 60, 1904 (type locality: Off Idzu, Japan).— Regan, Ann. Mag. Nat. 



Hist, ser. 8, vol. 1, p. 464, 1908 (Japan).— Garman, Mem. Mus. Comp. Zool., 



vol. 36, p. 93, 1913 (Idzu Sea, Japan). 

 Oaleus eastmani Fowler, Proe. 4th (1929) Pacific Sci. Congr., Java, p. 485, 1930 



(reference). 



Depth 7% to subcaudal origin; head 4%. Snout 21/5 in head; 

 rather acutely pointed; eye 4, 1% in snout; mouth width equals 

 snout, preoral length equals space between eye center and first gill 



