ETMOPTERUS VILLOSUS. 225 



Head broad, moderately convex across the crown; snout wide, deep, pro- 

 duced, length about equal to the distance from the mouth to the third gill open- 

 ing, end blunted; nostrils rather more distant from the end than from the eye, 

 nearly as wide as the internarial space. Orbit longer than the preorbital length. 

 Mouth large, width little less than the preoral length of the snout, with a short, 

 deep, straight groove and short labial folds the upper of which is twice as long 

 as the lower, at each angle. Teeth li, upper with a somewhat longer median 

 cusp at each side of which there are from two to four shorter lateral cusps shorten- 

 ing from the median; lower with cutting edge nearly horizontal and straight. 

 Spiracle moderate, midway from the nostril to the pectoral, width about equal 

 that of the internarial space. Gill openings as wide as the spiracles, hindmost 

 widest and its upper end in front of the pectoral. Pectorals small, hardly reach- 

 ing the origin of the first dorsal, hind margin subtruncate, inner angle broadly 

 rounded. Spine of first dorsal midway between the middle of the eye and the 

 spine of the second dorsal; base without the spine equal the length of the spine 

 or two thirds of the base of the second dorsal. Spine of second dorsal slender, 

 crooked, equal the length of the orbit; upper angle of fin bluntly rounded, hind 

 angle acuminate; base excluding the spine equal half the width of the mouth, 

 one third of the distance from the caudal, or one fourth of the interdorsal space. 

 Origin of ventrals midway from axil of pectoral to subcaudal; ends of the fins 

 below the spine of the second dorsal; claspers of male short, extending little 

 beyond the ends of the fins. Caudal about one fourth of the total length; sub- 

 caudal with a moderately prominent lower angle and separated from the terminal 

 by a shallow notch; terminal somewhat pointed. Scales slender, hooked, with 

 broad bases, Plate 10, fig. 4. 



Brown on back and sides; black below; whitish on the distal portions of 

 dorsals and paired fins and in the middle of the caudal; the black areas are well 

 shown on Plate 10, fig. 1. There is a white spot on the fontanel, and another 

 above the hinder part of each orbit. 



Specimen described and figured an adult male of 9| inches from a depth of 

 208 fathoms, off St. Kitts, W. I. 



EtMOPTERUS VILLOSUS. 



Etmopterus villosus Gilbert, 1905, Bull. U. S. fish comm., 23, p. 580, pi. 66. 

 Spinax granulosus Regan, 1908, Ann. mag. nat. hist., ser. 8, 2, p. 44. 



Snout broad, bluntly rounded, length from the eye shorter than the space 

 between orbit and first gill opening. A deep groove at each angle of the mouth. 



