NO. 1241 . . CER TA IN FISHES O F J A PA N—JORDA N AND SN YDER. 9 
It aoToos very closely with Dr. Giinther's account of zanzHxircvKis^ 
iiotwithstaiuling- the wide diti'erence in locality. From Dumt'rirs 
account of coarctata it differs in the slightly longer snout and greater 
nuchal keel. Dumeril regards Zanziharensis as identical with Syngna- 
thux marctafus from Amboyna, which may be correct. In Y. coarctata 
the rings are 22 + 59 to 63; D. 30; P. 19; occiput not keeled. 
6. TRACHVRHAMPHUS Kaup. 
Trar])iirh(tmphuf: Kaup, Lophol)rancliiates, 1856, p. 2?> {srrraliis Kauj), not of 
Schle»el. ) 
This genus is very close to Syngnathiiii^ from which itdift'ers in hav- 
ing the base of the dorsal elevated, forming a slight protu})erance on 
the back, and in having the upper edge of the snout serrated. Japan. 
{rpaxvg, rough; pa/u(l>og, snout.) 
7. TRACHYRHAMPHUS SERRATUS (Schlegel). 
Si/ngnatJini^ .serm/M.s Schlegel, Fauna Japonica, Poiss., 1847, p. 272, pi. ex x, fig. 
4, Nagasaki. — Bleeker, Verb. Bat. Gen., Nalez, XXV, p. 5.5, Jajfan. — Gun- 
THER, Cat. Fishes, VIII, 1870, p. 167, North China, Siam.— Dumeril, Hist. 
Poiss., II, 1870, p. 538, Macao. — Day, Fishes of India, p. 677, pi. clxxiii, fig. 
4. — Nystrom, Handl. Svensk. Vet. Akad., 1887, ]i. 47, Nagasaki. — Day, 
Fish. Brit. India, II, p. 461. 
Trfirlii/rJunnpliHS mltrirostris Peters, Monatsber, Ak. Wiss. Berlin, 1S69, ]>. 710 
(said to be a yonng example). 
Head 4 to -ti in trunk; head and trunk If in tail. Rings 23 or 24+ 
46 to 48. Dorsal rays 26 to 2S; pectoral 15 or 16; caudal 9. Snout 
2i in head. Eye If in snout, 2 in postor])ital part of head. 
Snout strongl}" serrated above, on its liasal two-thirds. Interor])ital 
space broad, with the orbital ridges prominent, smooth; occiput and 
nape with a median ridge. Opercle finely radiated. Lateral line bent 
downward, passing into the edge of al>domen. Body scarcely deeper 
than broad; shields without spines. Vent nearly below middle of dor- 
sal fin, which stands on six rings. Base of dorsal elevated; QA^g pouch 
If to 2 in tail. Color dark browni, plates with paler edges; body 
faintly l)anded in rings; neck below with dark cross-bands. Length 
about 300 millimeters. 
Coasts of Japan and China; rather common. Known to us from 
numerous specimens from Yokohama, Wakanoura, and Nagasaki; the 
present description from specimens from Wakanoura. 
{/Sei'i'atm, serrate.) 
7. HALICAMPUS Kaup. 
Ilnliciimpii.t Kaup, Lophobranchii, 1856, ]>. 22, [cnnnpicUlnlns Kaup, not of 
Jenyns.) 
This genus agrees with TrachyrhainpliUH in the serrated snout and 
in the elevated base of the dorsal tin. The snout is thin and short, set 
