82] 
RECORDS OF W.A. MUSEUM. 
on the body, which is apparently very characteristic. Again, my 
smallest specimen is one of the three identified by Waite as Gymno- 
thorax punctatofasciatus, Bleeker ; I consider that its colour pattern 
separates it from these species also. 
CORYTHROICHTHYS POECILOLAEMUS, 
Peters. 
Figure 2. 
Syngnathus [oecilvlaemus, Peters— Monatsb. Akad. Wiss. Berlin, 1868 (1869), p. 
458; Id. Zietz, Trans. Roy. Soc. S. Austr. XXXII., 1908, p. 298. 
Syngnathus poekilolaemus , Duncker — Faun. Sudwest-Austr., II., igoq n. 24s (see 
references). 
D. 28. P. 12. C. 10. Rings 19 + 48. Head i t 9 q in the trunk. 
Head and trunk 14 in the tail. Snout one third longer than rest of 
head. Eye less than one fourth as long as the snout, and 2 in 
postorbital portion of head. 
Snout with ridges but not serrated ; a median keel extends from 
the mouth to the occiput, but is very low anteriorly and is interrupted 
between the eyes. The supraorbital ridges commence some dis- 
tance before the eyes, and extend backward to the occiput ; inter- 
orbital space concave. Nuchal keel low but distinct. Operculum 
with a prominent median keel. Body rings without spines. Trunk 
i| as deep as broad, its greatest depth being near the vent. Dorsal 
fin opposite the vent, occupying i| + 6 rings; its base not raised 
above the level of the back. Median lateral ridge ending on the 
last body ring, and just below the origin of the upper caudal edge. 
Edges of the back extending to the end of the dorsal fin. Lower 
lateral edges of the body continuous with those of the tail. Caudal 
fin, small, shorter than the eye. Egg pouch very large, occupying 
18 tail rings and containing 58 large eggs disposed in two, or in 
places, three rows. 
Colour. — Uniform brown in spirit, the snout with darker cross 
bars. Body with numerous minute ocelli. 
Described from a single example, 197mm. long, from 
Fremantle, and the property of the Western Australian Museum. 
