PRISTIURUS MURINUS. 93 



or slightly farther forward. Base of the anal three times the length of that of 

 the dorsal, acute end of the fin reaching beyond the origin of the caudal. Sub- 

 caudal one and one half times the length of the anal base, no produced lobe. 



Brownish to grayish or yellowish brown, lighter below; commonly with 

 two or more series of more or less elongate and ocellate spots of darker along the 

 flanks surrounded and separated by other irregular spots or cloudings on the 

 back and the sides; lower fins paler; inside of mouth and throat black. 



Off the coasts of Europe, in the Atlantic and the Mediterranean. 



Pristiurus eastmani. 



Prisliurus eastmani Jord. & Snyder, 1904, Smith, misc. coll., 46, p. 230, pi. 60; Regax, 1908, Ann. & 

 mag. nat. hist., ser. 8, 1, p. 464. 



Body slender, elongate; head small, narrow; snout rather acutely pointed, 

 tail long, more than half of the total length, caudal fin nearly two sevenths of the 

 total. Anterior nasal valves short, widely separated on the internarial space. 

 Width of mouth equal the length of the snout; labial folds around the angles, 

 short. Teeth with seven cusps, median cusp much the larger. Spiracle, half 

 the width of the first gill opening, equal to the spiracular distance from the 

 angle of the eye. Gill openings small, hindmost narrowest and above the 

 pectoral. Scales minute, tricuspid, with a strong median keel. Dorsals small; 

 origin of the first dorsal above the hind ends of the bases of the ventrals; origin 

 of second dorsal in advance of the end of the anal base. Ventrals acute. Caudal 

 with modified scales on its upper edge. Anal distant from the subcaudal. 



Brownish, with eight or more transverse cloudings of a deeper shade. Free 

 margins of dorsals, pectorals, and anal white. Lower surfaces lighter. Inside 

 of mouth without the darker color. 



Idzu Sea, Japan. Owston collection. 



Pristiurus murinus. 



Pristiurus murinus Collett, 1904, Forh. vid.-selsk. Chra., no. 9, p. 4; 1905, Suppl. Norges fiske, 3, 

 p. 32, pi. 1, f. 3; Regan, 1908, Ann. & mag. nat. hist., ser. 8, 1, p. 463. 



Body shorter than the tail; head more than one fifth of the total length; 

 snout elongate, more than twice the length of the mouth. Nostrils large; an- 

 terior valves short, widely separated on the internarial space. JVIouth large, 

 with labial folds, around the angles, on both jaws. Eye large, half or more of the 

 length of the snout. Spiracle small, near the eye. Gill openings small, hind- 

 most smallest and above the pectorals. Pectorals large, broad. Half or more 



