HAPLOCHKOMIS. 285 



D. XVI 10-11; A. Ill 10; Sc. 32-35 j^g ; jaws 

 equal in front; depth of body 2\ to 2| times 

 in total length 2. II. venustus, Blgr., p. 287. 



2. Mouth extending to below anterior border of eye, or not quite so far or 

 a little farther ; 8 to 10 gill-rakers. 

 D. XV-XVI ; A. Ill 8-9 ; Sc. 30-32 §^, ; 

 eye shorter than snout, 4 to 4^ times in 

 length of head 3. i/. sclwhotzi, Blgr., p. 288. 



L). XV-XVI 9-10 ; A. Ill 8-9 ; Sc. 32-35 ^-^; 



eye as long ns snout, 3^ to 4 times in [l'. 290. 



length of head 4. II. nucld»quamidatus,Y[.\\g., 



D. XV 9 ; A. Ill 8-9 ; Sc. 32-34 f^, ; eye a 

 little longer than snout, 3 times in length 

 othead 5. //. y^an»<?//, Pellegr., p. 291. 



B. Teeth in 3 to 5 series ; caudal })eduncle 1^ to 2 times as long as deep. 



1. Pectoral as long as head or a little shorter, extending to vertical of 



origin of anal or a little beyond. 

 a. Interorbital width less than diameter of eye. 



D. XIV-XVI 9-10 ; A. Ill 8-9 ; Sc. 30-33 ff^!; 



8 or 9 gill-rakers on lower })art of anterior [p. 292. 



areh 6. //. angasflfrons, Blgr., 



h. Interorbital width at least equal to diameter of eye. 

 D. XV-XVI 9-10 ; A. Ill 8-9 ; Sc. 31-34 ^^ ; 

 8 or 9 gill-rakers on lower part of anterior 

 arch; jaws equal in front 7. J^. uAwae^/, Blgr., p. 293. 



D. XV 10 ; A. Ill 9 ; Sc. 32 j^; 7 gill-rakers; 



lower jaw slightly projecting S. II. roherti, Pcllegr., p. 295. 



D. XIV-XVI 9-10; A. Ill 8-9; Sc. 30-34 ^, ; 



11-13 gill-rakers; lower jaw slightly ])ro- 



jecting 9. 77. stanleyi, Blgr., p. 295. 



2. Pectoral shorter than head, not extending to vertical of origin of anal. 

 D. XIV-XVI 8-10; A. Ill 8-9 ; Sc. 31-32 j^^ . 10. II. percoides, Blgr., p. 296. 



II. Caudal fin rounded. 



A. ('audal peduncle l.\ to 1^ times as long as deep ; pectoral as long as or a 

 little shorter than head, extending to vertical of origin of anal or a little 

 beyond, 

 D. XV-XVI 9-10 ; A. Ill 8-9 ; Sc. 30-34 jIt^ 



eye 3^ to 1^ times in length of head . . .11. 77. </rai(en, Blgr., j). 298. 



