BELONICHTHTS. — DORYICHTHTS. , 83 



developed. Yellowish brown, striolated with blackish ; a dark streak 

 on each side of the head, passing through the eye. 



'J otal length 178 millim. 



Lower Zambesi (Tette), and Molambi River, opposite to Mozambique 

 Island. — Types in Berlin Museum. 



Fifr. 68. 



Bdonichtlnjs zambtisensis. 

 Type, .after Peters (Reise Mossauib.). |^. 



2. DORYICHTHYS. 



Kaup, Cat. Lophobr. Fish, p. 56 (185G) ; Gunth. Oat. Fish. viii. p. 179 (1870)^ 

 part. ; Duncker, Milth. Nat. Miis. Hainb. xxix. 1912, p. 229. 



Microphis (non Hallow.), Kaup, op. cit. p. 63 * ; A. Dum. Hist. Poiss. ii. p. 588 

 (1870) ; Duncker, 1. c. 



Body slender, much elongate, with more or less distinctly serrated 

 ridges, the dorso-lateral edge of the trunk not continuous with that of 

 the tail. Greater part of dorsal. fin on the tail; anal rudimentary. 

 Pectoral and caudal fins present. Brood-pouch of the male occupying 

 the whole belly, open. 



Brackish and fresh waters of the tropical parts of the A\'orld. One 

 species in Africa. 



1. UOllYICHTHYS SMITHII. 



DorjjicJdhijs^ sp., J. A. Smith, Proc. R. Phys. Soc. Edinb. iii. 1865, p. 227. 

 Microphis smithii, A. Bum. Hist. Poiss. ii. p. 599 (1870j. 

 Doryichthys lineatus, part., Giirith. Cat. Fish. viii. p. 183 (1870). 



Head and body about f of total length ; bony rings 21-22 + 22-24; 

 body a little deeper than broad ; bony plates with vertical strife of 

 granular asperities, the ridges serrated, the last serra on each ring 

 enlarged into a spine, at least in the young ; lateral line continuous 

 with lower caudal ridge. Snout about 2^ times as long as postocular 

 part t)f head ; operculum crossed by a strong, straight iridge ; two or 

 three oblique, diverging ridges below it. Dorsal 42-48, on 9 or 10 



* Microphis, Kaup, Arch. f. Naturg. 1853, p. 234, is not accompanied by a definition, 

 and must be regarded as a nomen nudum. 



