EEVIEW OF TUE QUEENSLAND FOMACANTHIN^.—OGILBY. 
Ill 
developed, 2-6 in the last, which is 1-33 in the soft tin and 4*25 in the body- 
length; soft dorsal with obtnsely angular outline, the anteroinedian rays the 
longest, extending to above the i>iiddle of the caudal fin; proeiunbent spine, if 
present, small and concealed. Caudal fin feebly rounded, the middle rays as 
long as the outer and 4*8 in the lengtli of the body. Anal with iii 21 rays, 
originating below the lOtli dorsal spine ; spines strong and graduated, the fiist 
i*55 in the last, whicli is 1-15 in tlie longest and rath(*r more than the last dorsal 
spine; soft anal similar to, l)Ut slightly shorter, lower, and more rounded than 
the soft dorsal. Pectoral with 11) rays, its length 3-4 in that of the body; 5th 
ray longest, extending to below the Stli dorsal spine. Ventral much longer than 
the pectoral, the spine half as long as the outer ray. which is ])rodu('ed, 2-55 in 
the body-length, and reaches to the 2nd anal spine. 
\4olai'eous blue, with mnnei*ous alternate peaily white and pale blue 
narrow semicircular bajuls on the trunk and tail, the ])oiiits of the crescents 
directed backwards and usually coalesceiit on the vertical fins; the bands on the 
head, peduncle, and caudal fin are vertical oi* nearly so. hut a rather broader 
pearly band runs backAvard from the snout to the oeeij>ut and a slightly conver- 
gent pair from l)c}iind tlu; eyes, (dieeks, bases ot pectorals, and outer half of 
spinous dorsal yellowisli; caudal with a broad terminal blue-gray baud. 
Etijmologi} : — Latin, seinicircidaf as, semicircular. 
Reg. Xo. of Queensland Museum specimen:— I. 11/107. 
Measi(reme)its of the specimen deseril)ed: — See p. 116. 
Range : — ^Seas of India and Malaysia eastward to New Ireland and Fiji. 
Its occurrence at Woodlark Island was mentiomal I)y ]\Iontr<uizier as long ago 
as 1857, and some twenty years later iMacleay obtained it from the Engineer 
Croup, a short distance east from Moresby Island. Finally in the following year 
de Vis ria-orded it from the 'A.'oast of Queensland'’ as IL sanioirculans. 
Dimensions : — A small species, ai^])arentiy not exceeding 120 millim. in 
length. 
CH.ETODOXTOPLT^S Eleekcr. 
Chcelodontoplus Bleekcr, Arch. Neeii. Sci. Nat., xi, pt. 2, 1876, p. 307 {mesoleucua). 
Body ovate or elevated, strongly compressed. Scah^s minute, adherent, 
ctenoid, with the entire exi)ose<] surface densely spinulose. laiteral line complete 
or incomplete, rai’cly interrupted, the tube sim])le. Head short and deep, with 
siibvertical profile, rather short rounded snout, deep preoi'hital, wliolly scaly. 
Mouth lei’ininal, with narrow transverse cleft, the jaws e(iiial ; maxillary mostly 
concealed when the mouth is closed, the exi>osed portion scaly. Teeth in the 
jaws in several series, small, slender, setiform; roof of mouth and tongue tooth- 
less. Nostrils superolateral and approximate, the anterior tubular, nearer to 
the eye than to the tip of the snout. Eye moderate and anteromedian, high but 
not encroaching upon the cranial j)rofile. Preopc*rele with a strong pungent 
