HAPLOCHILUS. 43 



D. 7-8; A. 12-1-1 ; Sc. 2-1-27; caudal pe- 

 duncle not much longer than deep ; 

 diameter of eye a little less than inter- 

 orbital width 28. II. macrurus, Blgr., p. 67. 



D. 9-10 ; A. 14-15 ; Sc. 25-27 29. II. katangce, Blgr., p. 67. 



b. Caudal truncate. 



D. 8-9 ; A. 14-15; Sc. 29-31 30. II. cabindcc, Blgr., p. G8. 



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. II. johnstonii, Gthr., p. 69. 

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



distant from end of snout and from 



caudal 32. H. marni, 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. II. senegalensis, Stdr., p. 71. 



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

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



3. Caudal rounded-subacuminate, longer than head. 

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



£ length of head 35. II. longiuentralis, Blgr., p. 72. 



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



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



4. Caudal pointed, longer than head. 

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



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



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



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



body ; depth of body 5 to b\ times in total 



length 38. II. multifascialus, 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. //. grahami, Blgr., p. 75. 



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



body 40. II. bifasciatus, Stdr., p. 76. 



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



5. Caudal notched in males. 



D. 8 ; A. 14 ; Sc. 27-28 42. //. singa, Blgr., p. 78. 



