174 Annals of the Carnegie Museum. 



2. Parasalanx acuticeps (Regan). 



1908. Salanx acuticeps Regan, Ann. Mag. Nat. Hist. (8), II, p. 360; Lake Can- 



didius, Formosa. 

 1908. Parasalanx actiticeps Regan, Ann. Mag. Nat. Hist. (8), II, p. 446; Lake 



Candidius, Formosa. — Jordan & Richardson, Mem. Carneg. Mus., Vol. 



IV, no. 4, 1909, p. 167; Lake Candidius (after Regan). 



Depth of body 11 in length, length of head 5.5 to 5.66. Head 

 three times as long as broad; snout acutely pointed, shorter than post- 

 orbital part of head; diameter of eye eight times in the length of head. 

 Lower jaw not projecting, with a toothed predentary bone and with 

 anterior canines which perforate the roof of the mouth; tongue tooth- 

 less. Dorsals 13-14. Anal 26-27, originating below the second ray 

 of dorsal. Pectoral with nine or ten rays; origin of pelvic nearer to 

 anal than to base of pectoral. 



Two specimens, 115 mm. in total length. (Regan). 



Habitat: Lake Candidius (Regan). 



Remarks: Not seen. 



3. Parasalanx ariakensis (Kishinouye). 



1902. Salanx ariakensis (Kishinouye) Jordan & Sn^'der, Proc. U. S. Nat. Mus., 

 XXIV, p. 592; Ariake Sea, Japan. — -Jordan, Snyder & Tan.\ka, Journ. 

 Coll. Sci., XXXIII, 1913, p. 47; Ariake Sea. 



1908. Hemisalanx ariakensis Regan, Ann. Mag. Nat. Hist. (8), II, p. 445; 

 Ariake Sea (after Jordan & Snyder). 



Head 5.85 in length; depth at insertion of the anal 15 in length; 

 depth of caudal peduncle 4.5 in head; eye 6; intcrorbital space 3; snout 

 2.166 D. 13; A. 28; P. 9; V. 7. 



Body elongate, cylindrical, strongly flattened anteriorly, posterior 

 part compressed, highest in front of the insertion of anal; head flat, 

 much broader than body, height 2.5 in its width; snout spatulate, pre- 

 maxillaries forming an anterior triangular expansion, tip sharply 

 pointed; jaws subequal; teeth on both jaws and vomers in a single row, 

 those on the upper jaw stronger and set apart, recurved and canine- 

 like; vomerine teeth minute; three pairs of sharp, recurved canine-like 

 teeth near the tip of lower jaw, which are received into a pouch-like 

 concavity of the upper jaw behind premaxillaries; tongue toothless; 

 eyes lateral, ])rominent. 



Dorsal fin inserted on posterior four-fifteenths of body, partly 

 iibovc the anal; adipose dorsal low, originating at the end of base of 

 anal; pectoral subhorizontal; origin of ventral midway between tip of 



