12 QOBIID.E. 



4. ELEOTRIS TOHIZONiE. 



Steind. Sitzb. Ak. Wien, Ixxxii. i. 1880, p. 245, pi. ii. fig. 2. 



Eleotns hutis, part., Sauv. Hist. Madag., Poiss. pi. xli.A. fig. 2 (1891). 



Eleotris pectoralis, Regan, Rev. Suisse Zool. ii. 1903, p. 415, pi. xiii. fig. 2. 



Head and body compressed ; depth of body equal to length of head, 

 3f to 4 times in total length. Head longer than deep, scaly ; snout 

 shorter than eye, which is 3J to 4 times in length of head and equals 

 interorbital width ; lower jaw slightly projecting ; mouth not extending 

 to vertical of anterior border of eye ; teeth small, in a narrow band ; 

 no canines ; no prseopercular spine. Dorsals VI, I 8, widely separated, 

 from each other. Anal I 10. Pectoral f length of head, scarcely 

 longer than ventral. Caudal rounded-subtruncate. Caudal peduncle 

 nearly twice as long as deep. 25-27 scales in longitudinal series, 9-10 

 in transverse series. Brownish ; a blackish bar at base of pectoral ; 

 small dark spots on second dorsal and dark streaks across caudal. 



Total length 85 millim. 



Madagascar. — Types in Vienna Museum. 



Tig. 7. 



Eleotris toMzonce, 

 Type, after Steindachner {I. c). 



5. ELEOTRIS NANA. 

 Bouleng. Ann. & Mag. N. H. (7) viii. 1901, p. 446, and Fish. Nile, p. 538, fig. 

 (1907) ; Pellegr. Poiss. Bass. Tchad, p. 137, fig. (L914). : 



Body cylindrical or a little compressed, its depth nearly equal to 

 length of head and 4 times in total length. Head as broad as deep, naked ; 

 snout broad, rouhded, as long as eye, the diameter of which is 4 times 

 in length of head and nearly equals interorbital width; lower jaw 

 projecting ; maxillary extending to below anterior border of eye ; no 

 canine teeth ; no prseopercular spine. Dorsals V, I 9, well separated 

 from each other, longest rays about § length of head. Anal I 7, its 

 origin a little behind that of second dorsal. Pectoral about | length 

 of head, nearly as long as ventral. Caudal rounded, nearly as long as 



