ITAPLOCHILUS. 43 



1). 7-8; A. 12-U; Sc. 24-27; caudal pe- 

 duncle not much longer than deep ; 

 diameter of eye a little less than inter- 

 orbital width 28. //. macrurus, Blgr., p. ()7. 



D. 9-10 ; A. 14-15 ; Sc. 25-27 2i). //. katamjcc, Blgr., p. G7. 



h. (Caudal truncate. 

 1). 8-0 ; A. U-15 ; Sc. 29-31 30. 77. ca^^W^r, 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 tlian 



head. 

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



nearer end of snout than caudal . . . .31. II. johnstouii, Gthr., \>. 69. 

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



distant from end of snout and from 



caudal 32. //. mariii, Stdr., p. 70. 



L). S-[) ; A. 15-lG ; Sc. 20-29 ; ventral nearly 



C(|ually distant from end of snout and 



from caudal, or a little nearer latter . . 33. 11. senegaJensis, Stdr., p. 71. 



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

 D. 9-10 ; A. 15-10 ; Sc. 20-29 34. H. acuHcamhiias, Pellegr., 



3. Caudal rounded-subacuminate, longer than head. 

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



^ length of head 35. //. longicentmlis, Blgr., p. 72. 



D. 8-9; A. 15-16; Sc. 28-30; ventral nof i 



length of head 30. //. macrostirjma, Blgr., p. 7;'). 



4. Caudal pointed, longer than head. 

 1). 9 ; A. 15 ; Sc. 28-29, 20 round body in 



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



tinies in total length 37. //. nigricans, Blgr., p. 74. 



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



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



length 38. i/. inultifasciatiis, Blgr., p. 75. 



D. 7-8 ; A. 15-10 ; Sc. 28-30, 20-22 round 



bo'ly ; depth of body 4 to 4|- times in total 



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



D. 6-7 ; A. 15-16 ; Sc. 27-28, 10-18 round 



body 40. //. hifasciatus, Stdr., p. 7('). 



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



5. (*audal notched in males. 



D. 8 ; A. 14 ; Sc. 27-28 42. 7/. nnga, Blgr., ].. 7S. 



