the Family Cichlide. | © 49 
28. HEMIBATES, gen. nov. 
(type Paratilapia stenosoma, Bouleng.). 
Dorsal XV 13. Anal III 12-14. Scales cycloid, small 
(60-70) ; two lateral lines, the upper nearly reaching caudal 
fin. Mouth moderate, terminal, with lateral cleft ; maxillary 
slightly exposed distally ; teeth small, conical, curved, in 
2 or 3 series, outer erect and fixed, inner pointing backwards, 
depressible. Lower pharyngeal triangular, with slender 
teeth. Parietal crests ending at edge of frontals above middle 
of orbits ; occipital crest ending behind a short median 
depression on anterior part of frontals; nasals somewhat ex- 
pauded posteriorly ; premaxillary processes reaching frontals ; 
maxillary broadest below palatine articulation, moderately 
broad distally ; base of skull with a low, broad convex 
apophysis, with articular surface for upper pharyngeals formed 
~in the middle by the parasphenoid, and at the sides by the 
basioceipital, Third vertebra without inferior apophyses. 
Tanganyika ; a single species, 
29. BATHYBATES, Bouleng., 1898 (type B. feroz, Bouleng.). 
Dorsal XITI-X VII 11-17. Anal III 14-18. Scales cy- 
cloid, small (65-150) ; two lateral lines, the upper extending 
nearly to caudal fin. Mouth large, terminal, with lateral 
cleft; maxillary hidden; teeth strong, curved, conical, in 2 
to 4 series, outer fixed, inner depressible. Lower pharyngeal 
triangular, with slender teeth. Parietal crests ending near 
edge “of frontals above middle of orbit; occipital crest exe 
tending as far forward or a little farther, ending behind a 
median depression on the frontals which widens out anteriorly ; 
ethmoid united with vomer by suture; nasals somewhat 
expanded posteriorly ; preemaxillary processes not reaching 
froutals ; maxillary broadest below palatine articulation, 
moderately broad distally ; base of skull with a low, broad, 
convex apophysis, with the articular facets for the upper pliat 
ryngeals well separated, oblique, formed by the parasphenoid 
in the middle and the basioccipital at the sides. Vertebra 
35-36 (16-17+ 19-20) ; third without inferior apophyses. 
Tanganyika; six species. 
30. HapLotTaxopon, Bouleng., 1906 
(type H. microlepis, Bouleng .). 
Dorsal XVIUI-XVIII 11-13. Anal [III 9. Scales small 
(70-80) ; two lateral lines, the upper nearly reaching caudal 
Ann. & Mag. N. Hist. Ser. 9. Vol. v. 4 
