326 ADDENDA, VOL. III. 



41 a. HAPLOCHILUS ANNULATUS. 

 Bouleng. Ann. & Mag. N. H. (8) xv. 1915, p. 203. 



Depth of body 4f to 5 times in total length, length of head 3| times. 

 Head flat above ; snout a little shorter than eye ; mouth directed 

 upwards, lower jaw projecting; eye 2f times in length of head, If 

 times in interorbital width ; praeorbital very narrow. Dorsal 7, origi- 

 nating twice as far from occiput as from root of caudal, above posterior 

 third, or fourth of anal, produced, longest ray as long as head. Anal 

 12-13, produced like the dorsal. Pectoral a little shorter than head, 

 extending beyond base of ventral ; latter small. Caudal pointed, median 



HaplochilvA annulatus. 

 Type, x 2. 



rays produced, longer than head. Caudal peduncle If times as long as 

 deep. 28 or 29 scales in longitudinal series, 22 round body ; lateral 

 line represented by an interrupted series of pits. Lemon-yellow, with 

 four broad black rings, the first round the head, the last round the 

 caudal peduncle ; dorsal and anal yellow and black ; caudal orange, 

 with two dark purple longitudinal lines. 



Total length 16 millim. 



Sierra Leone. 



1-2. Types. Maka. N. W. Thomas. Esq. (P.). 



3. Ad. Bo. 



4-5. Hgr. N. Sherbo district. „ 



6-12. Ad. & hgr. Victoria. „ 



Appears most nearly related to 11. chevalieri. 



Fam. SEREANID^:. 



4. AMBASSIS, 0. k V. 



■1. AMBASSIS COMMERSONII, C. & V. 

 Add :— 



14-33. Ad., hgr., Frcsli-water stream at Bububa, Dr. V. M. Aders (P.). 



& yg. opposite Zanzibar. 



