MCCULLOCH. 87 



319c. P. rotundiceps. Id. Macleay, P.L.S. N.S.W. vi., 1881. p. 9. 



A brightly coloured species, with tine blue lines on the sides. Length 3J 

 inches. 



(P. solorensis Bleeker, has been incorrectly recorded from Sydney by Kner, 

 Novara Zool. i., Fische, 1865, p. 196). 



320. Aspidontus Quoy & Gaimard, Voy. Astrolabe iii., 1834, p. 719 (taenia- 

 tus). 



320a. A. maroubrae. Macrurrhynchus maroubrae Ogilby, P.L.S. N.S.W. 



xxi., 1896, p. 137. A. maroubrae McCulloch, Austr. Zool. i. 4, 1917, p. 



92, pi. 10, 1 (PI. xxxvii.). 

 A rare species only 2 inches long. 



321. Xiphasia Swainson, Nat. Hist. Fish. Amph. Rept. ii., 1839, p. 259 



(setifer). 

 321a. X. setifer. Hair-tailed Blenxy. Id. Swainson, Ibid.; Id. Day, 



Fish. India, 1876, p. 337, pi. 73, 1 (PI. xxxvii.). 

 A pelagic fish, which occasionally strays southward to Fort Jackson. Length 

 20 inches. 



322. Cristiceps Cuvier & Valenciennes, H.N. Poiss. xi., 1836, p. 402 



(australis). 



A. Anterior spine just before front margin of eye. aurantiacus (322a). 



AA. Anterior spine over front half of eye. argyropleura (322b). 



AAA. Anterior spine over hinder portion of eye. australis (322c;. 



322a. C. aurantiacus. Crested Weed-fish. Id. Castlenau, P.L.S. 



N.S.W. iii., 1879, p. 386. Id. McCulloch, Rec. Austr. Mus. vii. 1, 1908, 



p. 38, pi. 10, 1 (PL xxxvii.). 

 Common among weeds in estuaries. Length 10 inches. 



322b. C. abgyropleura. Id. Kner, Novara Zool. I, Fische I, 1865, p. 199, 



pi. 7, 4. 

 Similar to, but not so common as the preceding species. 



322c. C. australis. Id. Cuv. & Val., H.N. Poiss. xi., 1836, p. 402, pi. 

 336. Very common among weeds. Length 9 inches. 



323. Petraites Ogilby, P.L.S. N.S.W. x., 1885, p. 226 (heptaeolus). 



A. Body deep, its depth more than a fifth of the total lnegth. 



B. 3 5 equidistant dorsal rays. roseus (323a). 



BB. 3 dorsal rays, an interspace between the 1st and 2nd. heptaeolus (213b). 

 AA. Body narrower, its depth less than a fifth of the total length, fascial us (213c). 



Cristiceps antiectes and C. nasutus are apparently near P. fasciatus. 



323a. P. roseus. Cristiceps roseus Gunther, Brit. Mus. Cat. Fish., iii., 

 1861, p. 274. P. roseus McCulloch, Rec. Austr. Mus. vii. 1, 1908, p. 

 40, pi. 10, 4 (PI. xxxvii.). 



Fairly common among weeds in rock-pools along the coast. Length 5 

 inches. 



323b. P. heptaeolus. Id. Ogilby, P.L.S. N.S.W. x., 1885, p. 226; Id. 



McCulloch, Rec. Austr. Mus., vii. 1, 1908, p. 41, pi. 11, 1. 

 Similar to and occurring with the preceding species. 



