AUSTRALIAN GOBIID^ McCDLLOCH AND OGILBY. 261 



Key to the species examined. — 



a. D. vi/19. Body without marking; a single dark-blue stripe crossing the upper 

 portion of the cheek and operculum strigata. 



aa. D. vi/13. Body ornate. 



b. Tliird doi'sal spine distinctly longer than the others. Cross-bands and ocelli 

 indefinite or wanting. 



c. Cheek and operculum with about nine large ocelli violifera. 



cc. Cheek and operculum banded, without spots muralis. 



bb. Third dorsal spine not, or scarcely longer than tlie others. Five cross-bands on 

 the trunk, forming distinct, large ocelli on the sides longipinnis. 



Of these species, only V. vniralis and V. luiiyiii'nmiti have been recorded 

 from Australia. Three specimens of V. stri(jata, Broussonet, are in the 

 Australian Museum from the New Hebrides, and twenty-three of V. 

 violifera, Jordan & Seale, from Samoa, New Hebrides, Bougainville Island, 

 and Duke of York Island. 



Valbnciennea muralis, Guvier ^' Valenciennes. 

 (Plate xxxvii. ; fig. 4). 



Eleotris t)taralis, Cuvier & Valenciennes, Hist. Nat. Poiss., xii., 1837, 



p. 253, pi. ccclvii. Id., Giinther, Brit. Mus. Cat. Fish., iii., 1861, p. 



130, and Ann. Mag. Nat. Hist. (3), xx., 1867, p. 62. Id., Day, 



Fish. India, 1876, p. 310, pi. Ixix, fig. 1. Id., Klunzinger, Sitzb. 



Akad. Wiss. Wien, Ixxx. i., 1879, p. 386. Id., Macleay, Proc. Linn. 



Soc. N.S.Wales, v., 1881, p. 624. 

 Valenciennea muralis, Jordan & Snyder, Proc. U.S. Nat. Mus., xxiv., 1901, 



p. 42. 

 Eleotriodes muralis, Bleeker, Nat. Tijd. Ned. lud., xv., 1858, p. 201. 

 Eleotris trabeatus, Richardson, Icones Piscium, 1843, p. 5, pi. ii. Id., 



Giinther, Brit. Mus. Cat. Fish., iii., 1861, p. 105, f. n. 

 Eleotris lineata, Alleyne & Macleay, Proc. Linn. Soc. N.S.Wales, i., 1877, 



p. 334 (perhaps not E. lineata, Castelnau). 

 Valenciennea aruensis, Ogilby, Proc. Roy. Soc. Qld., xxiii., 1910, p. 21. 



D. vi/13; A. 13; P. 20; V. i/5 ; C. 13. About 90 series of scales 

 from above the base of the pectoral to the hypural joint ; about 32 

 between the anterior dorsal and anal rays. 



Depth 6 in the length to the hypural joint; head 35 in the same. 

 Eye 5"5 in the head, and 2 in the snout, which is 3 in the head, and equal 

 to the depth of the caudal peduncle. Interocular space slightly narrower 

 than the eye. 



Head naked, with the usual preopercular, nuchal, occipital, and 

 rostral pores ; cheeks and opercles without mucigerous systems. Eye 

 rather small, cutting the dorsal profile, and separated by a flat interocular 

 space ; bony interorbital about half as wide as the eye. Snout much 

 longer than the eye, a little convex. Mouth oblique, maxillary reaching 

 to below the antei-ior orbital mai'gin. Lower jaw closing within the upper. 

 Premaxillary teeth in a single series, largest anteriorly and slender, curved 

 and spaced ; they form two rows on the anterior part of the mandible, but 



