HAPLOCIIILUS. 41 



D. 10-11 ; A. 14-15 ; Sc. 32-30 ; posterior 

 dor.«al and anal rays longest ; caudal 

 peduncle If to twice as long as deep . . 4. //. christyi, Blgr., p. ii\. 



B. Eye 3| to 4 times in length of head. 



1. Caudal peduncle li to 2 times as long as dce[). 

 D. 10 ; A. 13-14 ; Sc. 30-32 ; depth of body 



6 to <H times in total length ; caudal 



rounded or subacuminate 5. //. /t'?"mn^/, Blgr., p. 47. 



D. 11-12 ; A. 14-15 ; Sc. .30-31 ; depth of 



body 4i to 5^ times in total length ; 



caudal subacuminate 6. II. cameronensh, Blgr., p. 47. 



D. 11 ; A. 15-16 ; Sc. 32-33 ; depth of body 



5^ to times in total length ; caudal 



rounded 7. II. liberiensis, Blgr., p. 48. 



D. 10-11; A. 14-15; Sc. 29-32; depth of 



body 4 to 5 times in total length ; caudal 



rounded, with upper and lower rays 



produced in males S. II. luja, Blgr., p. 49. 



2. Caudal peduncle not longer than deep. 



a. Caudal rounded. 



D. 11 ; A. 14 ; Sc. 28 ; pectoral f length of 



head 9. II. Jiomalonotuf!, A. Dmn.,\iJ)0. 



D. 10 ; A. 13 ; Sc. 30 10. //. nuchiinaculutus, Gyichcn., 



1). 12-13; A. 17-19; Sc. 29-32; pectoral [p. 50. 



^ to I length of head 11. 12. plai/fairii, Gihv., i). 51. 



D. 11-12; A. 16-18; Sc. 27-29; pectoral 



I to I length of head 12. II. /dsciolatus, Gthr., \). f)2. 



b. Caudal acuminate or rounded-snbacaminate. 

 D. 11 ; A. 16 ; Sc. 30-31 ; caudal acutely 



pointed 13. //. ansorgii, Blgr., p. 53. 



D. 10-12 ; A. 15-17 ; Sc. 28-32 ; caudal 



rounded-subacuminate 14. IL sexfascialus, Gill, p. 54. 



11. Dorsal 6-10 ; scales 23-32 in a longitudinal series. 



A. Dorsal originating above middle of anal, rarely further back*. 

 1. Eye considerably shorter than postocular part of head. 

 a. 24-28 scales in longitudinal series. 

 1). 7-8 ; A. 14-15; Sc. 25-27 ; caudal rounded 

 or rounded-acuminate ; caudal peduncle 

 not longer thun deep 15. //. cluiperi, Sauv.. ]>. 5(). 



* If. Icvvjii^ p. G4. 



