EELONICHTIITS.— DOEYICHTHTS. 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. 



Fi". 68. 



-p-i^^r^ipp 



77Z!| ^^^ ~ 



a»£33sai^;£SS^5^£HM:^ 



F^gjiai' ,■'■■•>:«-,(■;? i'i>;(.-S?:;?!r 



Belonicliiliys zamhesensis. 

 Type, after Peters (Eeise Mossamb.) Sl 



i- 



2. DORYICHTHYS. 



Kaiip, Cat. Lophobr. Fish, p. 56 (1856) ; Gunth. Cat. Fish. ^iii. p. 179 (1870)^ 

 part: ; Duncker, MiLth. Nat. Mus. Hamb. xxix. 1912, p. 229. 



Microplds (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 World. One 

 species in Africa. 



1. DORYICHTHYS SMITHII. 



Dorijlclithijs, sp., J. A. Smith, Proc. R. Phys. Soc. EJinb. iii. 1865, p. 227. 

 Microplds smithii, A. Dum. Hist. Poiss. ii. p. 599 (1870). 

 Doryichthjs Uneatiis, part., Giinth. Cat. Fish. viii. p. 183 (1870). 



Head and body about f of total length ; bony rings 21-224-22-24; 

 body a little deeper than broad ; bony plates with vertical strige 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 of head; operculum crossed by a strong, straight ridge; two or 

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



* Miei-oj)his, Kaup, Arch. f. Natiirg. 1853, p. 234, is not accompanied by a definition, 

 and must be regarded as a nomen nudum. 



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