63 



D. 20—24; A. 4; P. 20 — 23; C. 9 — II; 

 Rings 14 — 15 -f 18 — 19; subdorsal rings 

 4+1. 



Siiiclds with reticulated striae, their 

 edges conspicuous, very minutely ser- 

 rated. Intermedial shields (scutella) 

 without keels. Operculum with a rough 

 longitudinal median crista above and 

 below it with numerous diverging lines. 

 Snout about equal to remaining part 

 of head, its keels smooth. Tail slightly 

 shorter than trunk. I5rown ; on each 

 side of the trunk two series of black 

 spots. A black band running from point 

 of snout through eye to operculum. 

 Length nearly 60 mm. [A beautiful 

 specimen of DovyicJuhys bracJiysoina 

 Blkr. of Bi.eeker's collection in the 

 Leiden Museum seen by usj. 



Habitat: Batu Islands, — Bourbon, 

 Mauritius, Cap York and Port Molle, 

 Queensland. 



8. Doryrhamphus Kaup. 



(Kaup, Cat. Lopbobr. Fish, 1856, p. 585) '). 



Short, rather stout. Edges of the 

 shields prominent, posteriorly ending 

 in a spine but otherwise smooth, as 

 those of the head ; only the median 

 dorsal keel on the snout is rather high 

 and roughly serrated. Rings of trunk 

 more numerous than those of tail. 

 Superior and inferior cristae of trunk 

 and tail discontinuous. Median cristae 

 of trunk and inferior cristae of tail con- 

 tinuous. Intermedial shields (scutella) 

 large. Operculum with complete longi- 



K'^l 



m 



I) In Kaup, Arch. f. Naturgesch. XIX. i, 1853, 

 p. 233 appears only the name Doryrhaniphns 

 without description. 



Fig. 27. Doryrhamphus 

 vielaiiopletira (Blkr.). 



X 2.8. , 



