43 



D. 21 — 26; A. 4 ; P. 20 — 21; rings 16 — 1 8 

 + 19 — 21 ; subdorsal rings i + 3 — 4. 



Shields somewhat granulated. The edges 

 of the single shields terminate in a prominent 

 spine. Operculum granulated, without keel, 

 but with an oblique raised line. Head more 

 than 4 to 5 times in length. Tail somewhat 

 shorter than trunk. Snout thin, rounded, 

 about thrice longer than postorbital part of 

 head, about twice the length of the remaining 

 part of the head. Vent below the origin of the 

 dorsal fin, nearer to the end of the tail 

 than to the gillopenings. Caudal long, about 

 twice longer than postorbital part of head. 

 Yellow, head and body encircled by blackish 

 rings; about 18 — 20 equidistant ones on 

 trunk and tail, 7 — 9 on head. Length 161 mm. 

 [A specimen of Bleeker's collection in the 

 Leiden Museum seen by us]. 



Habitat: Island Onrust near Java; Am- 

 bon ; New Guinea. — Pelew Islands, Mars- 

 hall Islands, New Caledonia. 



In sea, shore-water and on reefs. 



3. Microphis (Kaup) Duncker. 



(DUNCKER, Spolia Zeylanica Vol. VII. prt. XXV. 1910, 



p, 26. — Mitt. a. d. natuih. Mus. Hamburg, XXIX. 



1912, p. 229). 

 Doryichthys Kaup, Cat. Lophobr. Fish, 1856, p. 56 (p.p. 



et plur. auctoies). 

 Microphis Kaup, Cat. Lophobr. Fish, 1856, p. 63 p.p. 

 Doryrhamphiis Jordan & Evermann, Fishes North- and 



Middle- America 1896, p. 773, p.p. 



Superior cristac of trunk and tail discon- 

 tinuous, inferior cristae of trunk and tail 

 discontinuous or continuous (fig. 17, 5 and 

 8 — 10), median (lateral) cristae of trunk and 

 inferior cristae of tail continuous or not. 

 Keels of the shields of the rings more or 

 less serrated, generally terminating in a free 

 spine posteriorly. Intermedial shields (scu- 

 tella) present, as also a praenuchal and 2 



^ 21. Microphis 

 brachyurus ( Blkr.). 



^ n. s. 



