228 
Sunaen. Morinaua. 
Gillopenings partly before, partly under the pectorals; dor- 
sal commences far back, on the tail, behind the origin of the 
anal; in the middle of the dorsal and anal fins the rays are 
considerably shorter than at the origin and termination of these 
fins; pectorals very minute; body without scales. The heart 
is placed at a considerable distance behind the gills. 
Anguilla (Moringua) raîtaborua (Buchan. Hamilt.). Tab. LL 
Synon. Muraena raitaborua, Buchan. Ham. pp. 25, 364 (Young). 
Muraena rakta boruya, Buchan. Ham. MS. Drawings (*) RAGE) 
Rataboura Hamiltonii, Gray, Zoolog. Miscell. p. 9. 
Rataboura Hardwickii, Gray, l. e. and Il, Ind. Zoöl. Tab. u, 
Fig. 2. 
Moringua linearis, Gray Ll. c. Tab. 11, Fig. 1. 
Pterurus maculatus, Swainson, Nat, Hist. Fish, II, p. 334, Fig. 
111, b. 
Pachyurus linearis, Swainson }. c. p. 335, Fig. 114, coc. 
EE arundinaceus, MeClelland, Cale. Journ. Nat. Hist. 
V, pp. 200, 221, Pl. X, Fig. 1 (Adult). 
Ptyobranchus Eert McClelland 1, c. pp. 201, 222, Pl. 
X, Fig. 2 (Adult). 
peas erythraeus, MeClelland, 1. c. pp. 201, 223, Pl. 
IX, Fig. 3 (Young). 
Ptyobranehus multidentatus, McClelland 1.c. p.p. 201, 223, PL 
IX Fig. 4 (Young). 
Ptyobranchus parvidentatus, McClelland 1, ce. pp. 202, 223, 
Pl. IX, Fig. 5 (Young). # 
Ptyobranchus gracilis, McClelland 1. c. PL, IX, Ée. 6 (Young). 
Ptyobranchus brevis (+), McClelland, 1. ce. p. 228 (Young). 
Rakt Borua, Beng. 
(*) This drawing is the original of Raitaboura Hardwickii, |. c. Tab. 
11, Fig. 2. 
(4) This seventh imaginary species, Mr. McCterranp describes als fol 
lows: »abont four inches in length. P. 11. D. 40. C. 54, probably the 
young of P. medius.” (1. e.). 
