HAPLOCHILUS. 43 



D. 7-8; A. )2-U; Sc. 24-27; caudal pe- 

 duncle not much longer than deep ; 

 diameter o£ eye a little less than inter- 

 orbital width 28. 77. macnirus, Blgr., p. 67. 



D. 9-10 ; A. 14-15 ; Sc. 2,5-27 29. 77 katangce, Blgr., p. 67. 



h. Caudal truncate. 



D. 8-9 ; A. 14-15 ; Sc. 29-31 30. 77. ca6mrfa>, Blgr., p. 68. 



B. Dorsal originating above posterior third or fourth of anal. 



1. Caudal rounded or very obtusely pointed, not or but slightly longer than 

 head. 

 D. 7-8 ; A. 13-14 ; Sc. 28-29 ; ventral much 



nearer end of snout than caudal . . . . 31. 77. jo/m^^om, Gthr., p. 69. 

 D. 6-7 ; A. 14-15 ; Sc. 27-28; ventral equally 

 distant from end of snout and from 



caudal ^ 32. 77 mami, Stdr., p. 70. 



D. 8-9 ; A. 15-16 ; Sc. 26-29 ; ventral nearly 

 equally distant from end of snout and 

 from caudal, or a little nearer latter . . 33. H. senegalensls, Stdr., p. 71. 



2. Caudal pointed, not longer than head. [p. 72. 

 D. 9-10 ; A. 15-16 ; Sc. 26-29 34. 77 acuticaudatus, Pellegr., 



3. Caudal rounded-subacuminate, longer thau head. 

 D. 8-9 ; A. 15-16 ; Sc. 28-29 ; ventral at least 



i length of head 35. 77. longiventralis, Blgr., p. 72. 



JJ. 8-9 ; A. 15-16 ; Sc. 28-30 ; ventral not i 



length of head 36. 77. macrostigma, Blgr., p. 73. 



4. Caudal pointed, longer than head. 

 D. 9 ; A. 15 ; Sc. 28-29, 20 roimd body in 



front of ventrals ; depth of body 4| to 4| 



times in total length 37. 77. nigricans, Blgr., p. 74. 



U. 8-9 ; A. 14-15 ; Sc. 29-30, 20 round 



body ; depth of body 5 to 5^ times in total 



lenoth 38. 77. muUifasciatus, Blgr., p. 75. 



D. 7-8 ; A. 15-16 ; Sc. 28-30, 20-22 round 



body ; depth of body 4 to 4^ times in total 



length 39. 77. grahami, Blgr., p. 75. 



D. 6-7 ; A. 15-16 ; Sc. 27-28, 16-18 round 



body 40. 77. hifasciatus, Stdr., p. 76. 



D. 7-8 ; A. 13-14 ; Sc. 27-28 41. 77. chevalieri, Pellegr., p. 77. 



5. Caudal notched in males. 

 T>. 8 ; A. 14 ; Sc. 27-28 42. 77. singa, Blgr., p. 78. 



