ArSTRAI.lAN COItllP.lv — McCULLOClI AXD OCII.liY. 217 



scattered on the clieek ; numerous upraised i-ows of [)ai)ill«3 are arranj^ed 

 rej^nlarly on all surfaces of tlie head, and alon^^ the middle of tlie sides. 

 Snout obtuse, mandible projectinjj;. Mouth oblique ; no barbies. Several 

 rows of small, subequal teetli in each jaw anteriorly ; palate toothless. 

 Tongue rounded and free anteriorly, slightly emarginate on the median 

 line. Gill-openings lateral, separated b}' a broad isthmus; exposed 

 edge of shoulder-girdle smooth. Pseudobranchite present ; gill-rakers 

 of fii'st arch short, thick, and few in number. First dorsal rounded, 

 with six spines; second dorsal with ten to eleven rays. Anal similar to 

 the second dorsal. Pectoral large, lounded. Ventials i/5, either com- 

 pletely united or with only a narrow membrane connecting the bases of 

 the inner rays ; anterior interspinous membrane present or absent. 

 Caudal elongate, obtusely pointed. 



Calloggbids HASSELTii, lUeeJcer. 



Eleotris hasseUii, Bleeker, Nat. Tijdsclir. Ned. Indie, i., 1851, p. 253, and 

 xi., 1856, p. 412. Id., Giinther, Brit. Mus. Cat. Fish., iii., 1S61, 

 p. 116. 



Eleotriodes hasselfii, Bleeker, Act. Soc. Sc. Indo-Neerl., vi., 1859, p. 112, 

 and Ned. Tijd. Dierk., ii., 1865, p. 150. 



Valeucienneslii Jui-'i^eUII, Bleeker, Versl. Akad. Amsterdam (2), ii., 1868, 

 p. 300. 



CaUogohius hasseUii, Weber, " Siboga " Exped., Ivii., 1913, p. 480, fig. 98, 

 and Nova Guinea, ix., 4, 1913, p. 601. 



Identity Bleeker's description of tlie species appears to have been 



incomplete, so we rely upon Weber's notes and figure for the identification 

 of our specimens as 6'. liaxseltii. They agree with his illustration iu all 

 details, and exhibit the same variation in their colour-marking as noted 

 by him. 



We are unable to detect any differences between specimens from 

 tropical waters (C. hasseUii) and many others from southern Australian 

 coasts (C. mucosut!) by which they may be definitely distinguished as two 

 species. Northern examples are usually more conspicuously marked than 

 those from the south, and generally have more of the posterior scales 

 ctenoid. But both characters are variable, and overlap in examples from 

 intermediate localities, so we recognise the southern specimens as a variety 

 of C. hasseUii only. 



Locs. — Masthead Island off Port Curtis, and Cairns Reef off Cooktown, 

 Queensland ; coll. McCulloch. Two Isles off Cape Bedford, Queensland ; 

 coll. Hedley and Briggs. New Hebrides ; coll. Cummins and Stevens. 



CaLLOGOI^IUS HASSELTII, var. MDCOSDS, Giinther. 



(Plate xxxii., fig. 4.) 



Gohius mucosns, Giinther, Proc. Zool. Soc, 1871, p. 663, pi. Ixiii., fig. A. 

 Id., Macleay, Proc. Linn. Soc. N.S.Wales, v., 1881, p. 609. Id., 

 Waite, Rec. Austr. Mus., vi., 1906, p. 200. 



