Cerara (Kairatu!); Halmahera; New Guinea (Doreh; river Klipong! 

 brackish water; British New Guinea). - - Red Sea; Zanzibar; 

 Madagascar; Seychelles; Andamans; British India; Malacca; 

 Philippines; China; Pelew Islands; Caroline Islands; Bismarck 

 Archipelago. 



In sea near shore, in brackish water of estuaries and in 

 fresh water of rivers and brooks. 



3. Syngnathus argyrostictus Kp. 



Syngnathus penidllus Cantor, Journ. Asiat. Soc. Bengal XVIII. 1850, p. 1368 



(based on a mutilated specimen). 



Syngnathus argyrostictus Kaup, Cat. Lophobr. Fish, 1856, p. 33 and p. 46, note. 

 Svngnathus biserialis Kaup, 1. c. p. 33. 

 Corythoichthys penidllus Bleeker, Versl. Akad. Amsterdam XII. 1861, p. 69 



(name only). 



Syngnathus argyrostictus Dumril, Hist. nat. Poissons II. 1870, p. 545. 

 Syngnathus penidllus Dumeril, 1. c. p. 549. 



Syngnathus penidllus Gunther, Cat. Brit. Mus. VIII. 1870, p. 171. 

 Syngnathus spidfer Gunther, I.e. p. 172 (p.p.)- 

 Syngnathus spidfer Gunther, Fische d. Siidsee, 1910, p. 429 (p.p.). 

 Syngnathus argyrostictus Duncker, Spolia Zeylanica vol. VII. prt. XXV. 1910, p. 32. 

 Corythroichthys quinquarius Snyder, Proc. U.S. Nat. Mus. Washington XL. 1911, 



p. 526 and vol. XLII, 1912, p. 408. 

 Syngnathus argyrostictus Duncker, Mitt. a. d. naturh. Mus. Hamburg XXXII. 



1915, p. 84. 



D. 25 29; A. 3 4; P. 14 17 ;C. 10; Rings 15 17+3741; 

 subdorsal rings: it 5th O r 2 n <* 6 th or 7th caudal ring. 



Slender. Shields with the edges smooth but prominent, 

 especially the ventral keel. Intermedial shields, especially the 

 lateral ones, large, oval, radially striated. Median cristae of 

 trunk and superior cristae of tail subcontinuous; they are in- 

 completely interrupted between the last body- and the first tail- 

 ring. Head long and slender, without spines or serrations. Snout 

 with a median keel, longer than remaining part of head, 

 nearly equal to distance from frontborder of eye to base of pec- 

 torals. A prominent supraorbital crest and a low occipito-nuchal 

 one. Operculum with a more or less complete longitudinal 

 keel. Caudal small. Colour brownish. Sides of body with 7 more 

 or less conspicuous longitudinal series of pearly ocelli with a 

 dark margin. Tail variegated with brown and whitish. Oper- 

 culum with i 3 parallel light stripes in its ventral half. A 

 broad dark band from snout to eye ; there may be rows of 

 small spots below it. Length 136 mm. [Not seen by us]. 



