548 Aintalx <if tin' (So///// Affii-nti 



below middle of eye, lower jaw prominent ; preoperculum entire, angle 

 rounded ; operculum terminating in a semicircular notch posteriorly, 

 with strong teeth 011 each corner, the denticulations decreasing in size 

 as they approach the upper and lower margin of the opercle ; sub- 

 and mter-operculum strongly denticulated ; 6 series of scales between 

 orbit and preopercular angle. (In two of the specimens 2 rows of 

 postorbital scales are strongly denticulated). 



Dorsal xvi-xix 8-9 ; spines low, increasing in length to the last, 

 which is 3-/0 to 4 length of head ; middle soft soft rays of dorsal and 

 anal slightly produced, i to f length of head, reaching beyond base of 

 caudal. Pectoral I to 4 length of head, longer than ventral. Anal 

 viii-ix 8-10, similar to dorsal. Caudal sub truncate ; caudal peduncle 

 much deeper than long. Scales strongly pectinate, 30-31 ~-;~ (J ; lateral 



Colour (of preserved specimens), dark brown above, yellowish 

 beneath ; indistinct dark spots on body. 



Three specimens, ranging from 03-71 mm. in length, from Umsifu 

 River, Broken Hill, Rhodesia (collected by Rogers and Chubb). 

 Bulawayo Museum. 



Three specimens, ranging from 53-64 mm. in length, from Sawmills, 

 Bulawayo, Rhodesia (Mr. F. D. AlcKean). 



5. ANABAS KHODESIANUS, n. sp. 



Teeth in a band on each jaw, those of the outer series fewer in 

 number, stronger, conical; in a narrow band on vomer and palatines. 

 Depth of body 4 times in total length excluding caudal, length of 

 head o}, times. Body compressed and comparatively slender; snout 

 obtusely conical, nearly 6 times in length of head, eye 5: times, inter- 

 orbital width 3-- times ; lower jaw projecting beyond upper, chin 

 prominent ; maxillary extends to below posterior margin of eye ; 

 preoperculum entire, angle rounded ; operculum strongly denticulated, 

 terminating in a semicircular notch, which has the teeth at each 

 c >rner stronger and longer than the others, which become smaller as 

 they approach the upper and lower borders of the opercle ; sub- and 

 inter-operculum strongly denticulated ; 6 series of scales between 

 the orbit and the preopercular angle. Head and cheeks scaly. Gill- 

 membranes covering isthmus scaly. 



Dorsal xviii 10; spines subequal from the (>th, which is ] length of 

 head ; middle soft rays a little produced, nearly -| length of head, 

 pectoral T 7 length of head. Anal ix 9 ; longest spine slightly longer 



