53 



young, smooth in adults. Intermedial shields (scutella) of the 

 tail keeled ! ). Inferior cristae of trunk and tail discontinuous; 

 median cristae of trunk and inferior cristae of tail continuous. 

 The superior cristae of the trunk are continued nearly to the 

 end of dorsal while the superior cristae of the tail are conti- 

 nued to the penultimate ring of the trunk. Operculum with 

 complete longitudinal keel, below it generally I 2, by excep- 

 tion 3 or none, radiating ridges. 

 Head 7 1 /., to more than 10 times 

 in total length. Eye about 5 times 

 in head. Snout as long as or 

 somewhat shorter than postorbital ^ ^ ^ryichthys retzii (Bikr.) 



Caudal fin with prolonged rays; 



part of head, its upper profile magnified, 



concave. The nuchal crista runs 



from the middle of the occiput to the first dorsal intermedial 

 shield and is continued somewhat furtheron. Tail conspicuously 

 longer than head and trunk. Length of caudal about equal to 

 postorbital part of head. Caudal with prolonged rays (always, 

 when not mutilated?). Brownish or greenish, generally some- 

 what darker near the intermedial shields. Length 115 mm. 

 [A specimen of BLEEKER'S collection seen by us]. 



Nom. in dig. Budi (Menado). 



Habitat: Sumatra (Deli) ; Simalur ! ; Nias ! ; Java ; Lombok ! ; 

 Flores!; Sumba!; Savu!; Celebes (river near Kwandang !, river 

 Paloppo !, Menado); Buru (Kajeli!); Obi Major!; Batjan ! ; 

 Ceram (river Tubah !, brook near Kairatu !) ; Waigeu (river 

 Wahai!); New Guinea (North New Guinea: rivers Klipong! 

 and Mbai!, brook Mamapiri ! ; South New Guinea: Lorentz 

 river!). - - Philippines, Bismarck Archipelago, New Caledonia. 



5. Doryichthys deokhatoides (Bikr.). 



Syngnathus deokhatoides Bleeker, Verh. Bat. Genootsch. XXV. 1853, Bijdr. 



Troskieuwige Visschen, p. 17. 



Syngnathus deokhatoides Bleeker, Nat. Tijdschr. Ned. Indie VII. 1854, p. 106. 

 Doryichthys deokhatoides Bleeker, Act. Soc. Sc. Indo-Neerl. VIII. 1860, Achtste 



Bijdr. Vischfauna Sumatra p. 72. Ibid, isde Bijdr. Vischfauna Borneo, p. 8. 

 Microphis deokhatoides Dumeril, Hist. nat. Poissons, II. 1870, p. 596. 

 Doryichthys deokhatoides Giinther, Cat. Brit. Mus. VIII. 1870, p. 180. 

 Dorichthys deokhatoides Karoli, Termeszetrajzi Fiizetek, V. 1882, p. 40. 

 Dorichthys fluviatilis Duncker, Mitt. a. d. naturh. Mus. Hamburg XXI. 1904, p. 188. 



[) This is not the case in the specimen of the island Simalur. 



