SYNGNATHUS.—DORYICHTHYS. 55 
2. Syngnathus auliscus, Swain. 
Siphostomus auliseus, Jord. & Everm. Bull. U.S. Nat. Mus. xvii. 1896, p. 767. 
Body-rings 15+4+37-38. Dorsal rays 29-30. Origin of dorsal on the ring containing the vent or the one 
behind it. 
Hab. Pacific Coast from California to Panama. 
This species has been recorded by Gilbert and Starks (Mem. Calif. Ac. Sci. iv. 1904, 
p. 57) from the Rio Grande, at Miraflores, near Panama. 
8. Syngnathus starksi, Jord. & Culv. 
Siphostoma starksi, Jord. & Everm. Bull. U.S. Nat. Mus. xlvii. 1896, p. 771. 
Body-rings 14+37-38. Dorsal rays 38. 
HTIab. Mexico, Rio Presidio in Sinaloa. 
2. DORYICHTHYS, Kaup. 
Doryichthys, Ginth. Cat. Fish. viii. p. 179 (1870). 
Doryrhamphus, Jord. & Everm. Bull. U.S. Nat. Mus. xlvii. 1896, p. 778. 
Pectoral fins present ; caudal fin present ; males with an egg-pouch under the abdomen. 
Hab. Tropical seas. 
Of three American species, two have been recorded from fresh waters. 
1. Doryichthys lineatus, Kaup. 
Doryichthys lineatus, Giinth. Cat. Fish. viii. p. 183 (1870). 
Doryrhamphus lineatus, Jord. & Everm. Bull. U.S. Nat. Mus. xlvi. 1896, p. 773. 
- Siphostoma brevicaudum, Meek, Pbl. Columbian Mus. Zool. v. 1904, p. 163, fig. 51. 
Body-rings 19-224 23-27. Dorsal rays 42-44, the fin originating in advance of the vent. Snout 14 as long 
as the rest of head. 
Hab. Tropical Atlantic. 
Recorded by Meek from Boca del Rio in Vera Cruz, Mexico. 
2. Doryichthys brachyurus, Bleek. 
Doryichthys brachyurus, Giinth. Cat. Fish. viii. p. 184 (1870). 
Body-rings 21-23+419-24. Dorsal rays 36-42, the fin originating above the vent. Snout 13-14 as long as 
rest of head. 
Hab. Tropical Indo-Pacific. 
Specimens from Tehuantepec in the British Museum, which I have compared with 
the type of the species from the East-Indian Archipelago. 
