HAPLOCHKOMIS. 285 



D. XVI 10-11; A. Ill 10; Sc. 32-35 yjjg ; jaws 

 equal in front; depth of body 2£ to 2§ times 

 in total length 2. II. vemtstus, 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 9 ; A. Ill 8-9 ; Sc. 30-32 g^, ; 

 eye shorter than snout, 4 to 4£ times in 



length of head 3. II. sclmbolzi, Blgr., p. 288. 



D. XV-XVI 9-10 ; A. Ill 8-9 ; Sc. 32-35 j£jg; 



eye as long as snout, 3£ to 4 times in [p. 290. 



length of head i. II. nuchisquamulatus, Hilg., 



T>. XV 9 ; A. Ill 8-9 ; Sc. 32-34 ~ ; eye a 

 little longer than snout, 3 times in length 

 of head 5. H. jeanneli, Pellegr., p. 291. 



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

 1. Pectoral as lone 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-XV1 9-10 ; A. Ill 8-9 ; Sc. 30-33 ?f=jj; 



8 or 9 gill-rakers on lower part of anterior [p. 292. 



arch 6. H. angiistifrons, Blgr., 



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

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



8 or 9 gill-rakers on lower part of anterior 



arch; jaws equal in front 7. II. uhmaeli, Blgr., p. 293. 



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



lower jaw slightly projecting 8. H. roberti, Pellegr., p. 295. 



D. XIV-XVI 9-10; A. Ill 8-9; Sc. 30-34 ~- 2 ; 

 11-13 gill-rakers ; lower jaw slightly pro- 

 jecting 9. II. stanle>/i, Blgr., p. 295. 



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



4-5 

 13 



J). XIV-XVI 8-10 ; A. Ill 8-9 ; Sc. 31-32 ~ . 10. II. percoides, Blgr., p. 296. 



II. Caudal fin rounded. 



A. Caudal peduncle 1} 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 jj^f; 



eye 3^ to 4£ times in length of head . . .11. //. yraueri, Blgr.. p. 298. 



