130 PROCEEDINGS OF THE ACADEMY OF [April, 



line continuous, weakly decurved, running along the middle of the 

 tail. Color in alcohol uniformly grayish brown; lower parts whitish; 

 all the fins dark brownish gray; head dark brown. Total length 

 230 mm. 



Type. No. 49,950, A. N. S. P. Ako, collected by Eiji Matsuda 

 in June, 1917. 



30. Achilognathus himantegus Gunther. 

 Shori, Toyen (1); Kirai, Ako (4). 



31. Zacco platypus (Schlegel). 



Dakusui, Giran (1); Koshiryo, Giran (4); Heirinbi, Giran (11); 

 Daito River, Nanto (1); Nankan River at Hokuzanko, Nanto (1); 

 Ako (7). 



32. Zacco temminckii (Schlegel). 



Dakusui, Giran (5); Buroko River, Giran (14); Taiko, Giran (2): 

 Raupi, Giran (1) ; Horisha, Nanto (4) ; Nankan River at Hokuzanko, 

 ISfanto (16); Rinraku, Ako (1); Kapiyan, Ako (7). 



33. Zacco pachycephalus (Gunther). 



Nine from Dakusui River at Musha, Nanto. 



34. Candidia barbata (Regan). 



Horisha, Nanto (1); Kirai, Ako (2). 



BASBORINUS new genus. 



Body elongate, compressed, rather high. Abdomen compressed, 

 a soft median keel at the postventral part only. Head pointed. 

 Mouth terminal, oblique, maxillary not reaching beyond the orbit. 

 Lower jaw slightly projecting beyond the upper, with no prominent 

 hook or knob. Lips thin; barbels none. Dorsal fin with no spine, 

 with 7-8 branched rays, above the space between ventrals and anal. 

 Anal entirely behind the dorsal, elongate, many rayed. Scales 

 moderate, thin, deciduous. Lateral line broadly curved, running 

 along the lower half of the tail. Pharyngeal teeth in three series, 

 5 or 4, 4, 2-2, 4, 4; gill-rakers slender. Type Rashorinus takakii 

 Oshima. 



Rashorinus is a nearest relative of Rashorichthys Bleeker. It 

 differs from it in having lateral line running along the lower half 

 of the tail and pharyngeal teeth of 5 or 4, 4, 2-2, 4, 4, instead of 5, 3, 

 1-1, 3. 5. 



35. Rasborinus takakii new species. Plate III, figure 3. 



Head 4 in length; depth 3.10; D. 3.7; A. 3.16; Pj 14; V. 8; 

 ■width of head 2 in its length; interorbital space 2.50 in head; snout 



