The Frank-water Fixhe* <>f South Africa. 543 



Ctenopoma, Peters, Mon. Berl. Ac., 1844, p. 34; G-iiuth., t.c.,p. 373; 

 Peters, Eeise Mossamb., iv, p. 14 (1868). 



Sandelia, Casteln., Mcin. Poiss. Afr. Austr., p. 36 (1861). 



" Body short or moderately elongate, more or less compressed, 

 covered with large, hard, ctenoid scales; lateral line interrupted. 

 Head convex, covered with scales ; mouth moderately large, with 

 small conical teeth ; teeth on the vomer and on the parasphenoid ; 

 palatine teeth present or absent. Anterior nostril in a short tube. 

 Spinous part of the dorsal and anal fins longer than the soft ; 12 to 

 20 dorsal and 6 to 11 anal spines. Vertebrae 25 to 31. 



South-eastern Asia and Tropical and South Africa." 



Synopsis of the Species. 



Caudal peduncle very distinct, measuring at least the diameter of 

 the eye; depth of body more than 2 times in total length. 



Ventral fin not reaching anal ; maxillary extending to below anterior 

 third of eye, or beyond ; teeth on palatine bones. 



(a) 12 to 17 dorsal spines ; suboperculum not denticulate ; scales partly 



cycloid partly ctenoid. 

 D. xii-xiv 7-10 ; A. vi-viii 8-11 ; Sc. 



26-30 ^y . . I. A. capensis, Cuv. & Val. 



D. xiii-xv 8-9; A. viii-ix 8-9; Sc. 



27-29 j^ . . . 2. A. vicinus, Blgr. 



D. xv-xvii 9-10; A. vii-viii 9-10; Sc. 



31-35 - . . . 3. A bainsii, Casteln. 



1O~J.O 



(b) 17-20 dorsal spines ; suboperculum denticulate ; scales all ctenoid. 

 D. xvi-xix 8-9; A. vii-x 8-10; Sc. 



2-3 



30-35 - . . . 4. A. multispinis, Peters. 



y ~y 



D. xviii 10 ; A. ix 9 ; Sc. 31| . . .5. A. rhodesianus, n. sp. 



1. ANABAS CAPENSIS, Cuv. and Val. 



Spirobranckus capensis, Cuv. and Val., Hist. Nat. Poiss., vii, p. 392, 

 pi. cc (1831) ; Val. in Cuv., liegne Anim. 111., Poiss., pi. Ixxr, fig. 1 

 (1836) ; Castelu., Mem. Poiss. Afr. Austr., p. 36 (1861) ; G-unth., 

 Cat. Fish., iii, p. 373 (1861). 



Anabas capensis, Bouleng., Ann. and Mag. Nat. Hist. (7), xvi, 

 1905, p. 53, and Freshw. Fish. Africa, iv, p. 50, fig. 27 (1916). 



Teeth in a villiform band on each jaw, those of the outer row 

 larger ; in a narrow band on vomer and palatines. Depth of body 

 2f to 3^0 times in total length excluding caudal, length of head 



