PISCES. 
133 
pi. 1, from Viti Levu.— Distinguished from Agonostoma by having the ante- 
rior margin of the mandible sharp." 
Gastei'osteus aculeatiis. Dr. Bonizzi shows that the Sticklebacks of Italy 
belong to one species only, and that its varieties have been unduly raised to 
the rank of species by French ichthyologists, especially Blanchard. Arch, 
per la Zool. 1869, pp. 166-163, tav. 3.— Mr. L. Tait describes peculiar 
tumours with which the Stickleback is sometimes affected. Journ. Anat. 
V k Physiol, v. 1869, pp. 12-14. 
Gasterosteus \hrachycentrus] from Algiers, figured by Gervais, Zool. et 
Pal^ont. g^n^r. pi. 46. fig. 1. 
Macropm. Specimens of this fish, imported from China, have bred in 
Paris. Carbonnier, Compt. Rend. 1869, Ixix. pp. 489-491, or Bull. Soc. Ac- 
clim. Paris, 1869, pp. 408-414. 
' Osphrommus. Surgeon Day describes what he states to be the Ctenops 
nohilis of McClelland. Proc. Zool. Soc. 1869, p. 619. 
^ Trichogaster. Surgeon Day distinguishes T. fasciatus (Bl.), lalim (H. B.), 
and chuna (H. B.). L. c. p. 620. 
Premnas hiaculeatus uses Actinif© as a hiding-place. De Crespigny, Proc. 
Zool. Soc. 1869, p. 248. 
Pomacentrus unifasdatm^ Kner, Wien. Sitzgsber. Iviii, p. 348, taf. 8. 
fig. 24. — Po7nacentrus latifrons (Tschudi) described by Kner, 1. c. p. 360. 
Glyphidodon hemimelas, Kner, 1. c. p. 361, taf. 8. fig. 25. 
^ Glyphidodon rliyncholepis^ sp. n., Bleeker, Versl. en Meded. Ak. Wet. Am- 
sterd. 1869, p. 231, from Reunion . — Glyphidodon notattis, sp. n., Day, Proc. 
Zool. Soc. 1869, p. 621, Andaman Islands. 
Lahrichthys cyanotania (Blkr.) = Thysanochilm ornatm (Kner). Gunther, 
Proc. Zool. Soc. 1869, p. 241. 
Pseudoscarus spilonotus and spmus, Kner, Wien. Sitzgsber. Iviii. pp. 362, 
364, figs. 26 & 27. 
Pseudoscarus gracilis^ sp. n., Steindachner, Wien. Sitzgsber. lx. p. 138, 
China. 
Gerres macrosoma has the lower pharyngeals separated. Kner, Wien, 
Sitzgsber. Iviii. p. 301. 
fy Ditrema. Dr. J. Blake has examined the gravid uterus of these fishes, 
and found in it a fluid containing a considerable portion of animal matter j 
he believes that this fluid furnishes the foetus with the elements of nourish- 
ment, which are absorbed through numerous capillary vessels spread over 
vascular digitated processes of the interradial membrane of the vertical fins. 
Proc. Calif. Acad. Nat. Sc. iii. pp. 314-317. — The same author describes the 
\ organs of copulation' of the male fish. Ibid. p. 371. 
GASTEROSTEIDiE. 
Labyrinthici. 
ACANTHOPTERYGII PHARYNGOGNATHI. 
