HALAELURUS CHILENSIS. 83 



HALAELURUS BURGERI. 



Scyllium biirgcri Muller & Henle, 1841, Plagios, p. 8, pi. 2; Schlegel, 1850, Jap. Pisces, p. 301; 



Bleeker, 1S56, Act. Soc. sci., Ind. Neerl., I, Amboina, p. 69; Dumeril, 1865, Elasra., p. 320; 



GtiNTH., 1870, Cat. fishes Brit, mus., 8, p. 404. 

 Halaelurus biirgcri Gill, 1861, Ann. N. Y. lye, 7, p. 412 (name only); Jord. & Fowler, 1903, Proc. 



U. S. nat. mus., 26, p. 601. 

 Scyliorhinus buergeri Regan, 1908, Ann. & mag. nat. hist., ser. 8, 1, p. 461. 



Snout short, blunt, depressed. Nostrils nearly midway from the mouth 

 to the end of the snout. Anterior nasal valves not reaching the mouth, widely 

 separated from one another on the internarial space. Mouth large; labial folds 

 short, around the angles. Teeth small, with three to five cusps. Pectorals 

 short, broad. Origin of the first dorsal above the middle of the bases of the 

 ventrals. Hind margins of the ventrals very oblique. Dorsals equal. Origin 

 of the second dorsal above the hinder end of the base of the anal. Length of 

 the base of the anal about half the distance from the caudal, little greater than 

 the basal length of the second dorsal. Subcaudal short, narrow. 



Brown, with darker transverse bands, with scattered spots of black. Lower 

 surfaces lighter, uniform. 



Japan to the East Indies. 



Halaelurus chilensis. 



Scyllium chilense Guichenot, 1848, Fauna Chilena, 2, p. 362; GtiNTH., 1870, Cat. fishes Brit, mus., 8, 

 p. 405; 1880, Challenger rept. Zool., 1, p. 19; Perez, 1886, Estud., p. 9; Philippi, 1887, Ann. 

 Univ. Chile, 71, p. 556, pi. 7, f . 4. 



Scylliorhinus chilensis Smitt, 1898, Bih. kon. Svenske vet.-akad. Handl., 24, p. 72 (part); Delfin, 

 1901, Cat. peces Chile, p. 15 (part); Regan, 1908, Ann. & mag. nat. hist., ser. 8, 1, p. 462. 



Body shorter than the tail. Head short, broad, depressed; snout very 

 short, length less than half the width of the mouth. Eye small. Spiracles 

 small near the corner of the eye. Nostrils near the mouth; anterior nasal 

 valves short, broad, widely separated from one another, notched on the posterior 

 margin, cirrus rudimentary; posterior valves shorter, broad. Mouth large, 

 near three times as wide as long, with labial folds around the angle; lower fold 

 half as long as the jaw, upper shorter. Teeth small, median cusp strongest. 

 Gill openings medium, hindmost two above the pectoral. Dorsals subequal; 

 origin of the first dorsal above the middles of the bases of the ventrals, two 

 thirds of the base extended behind their ends; origin of second dorsal at the 

 end of the anterior three fourths of the anal, and nearly two thirds of the base 

 reaching behind that of the same fin. Depth of the anal one half of that of the 

 first dorsal, length of base one and one half times the dorsal base, or two thirds 



