McCULLOCH AND WAITE — FiSHES FROM SOUTH AUSTRALIA 41 



Body as deep as broad, its angles well defined ; l)ack slightly concave : upper 

 and lower angles continuous with those of the tail ; lateral ridge extending on to 

 the two anterior tail rings, and deflected downwards on the second : a low ventral 

 ridge : ovisac covering thirteen tail rings : a minute anal fin present. 



Described from a single specimen, 207 mm. long, jjreserved in the South 

 Australian Museum: it is completely bleached after long preservation. The 

 ovisac is filled with well-developed young. 



The short-crested snout separates this species from all other Australian 

 representatives of Ichtli\ocaiiipiis except /. tryoiii Ogilby : it differs frqm that 

 species in having more numerous dorsal rays and annuli, the head covered with 

 granules instead of reticulating ridges, and in having the nuchal and occipital 

 crests scarcely developed. 



Loc. Spencer flulf. South Australia. 



Family ATHERINIDAE. 

 TAENIOMEMBRAS TAMARENSIS Johnston. 



Athcfina tamarciisis Johnston. Proc. Roy. Soc. Tasm., 1882 (1883), p. 122, and 



1890 (1891 ), p. 34. 

 .itlicrimi tasinaiiiaisis Macleay. Proc. Linn. Soc. N.S. Wales, ix. 1884, p, 443, — 



misprint for tamarciisis. 

 Atherinichthys ccphaloics Zietz. Trans. Roy. Soc. S. Aust. xxxiii, 1909, p, 264 



(not A. ccplialotcs Castelnau). 



D.vi-viii: i, 11: A.i, 12-13: P.13: V.i, 5: C.17: So. lat. 44-45: Sc. tr. 24-7. 



Proportions of a specimen ij8 mm. long: depth 6 '5 in the length to the 

 iiypural ; head 4-4 in the same: e}'e 27 in the head: interorbital space 1 '2 in the 

 eye, greater than the length of the snout, which is i -5 in the eye: depth of the 

 caudal iieduncle equal to the length of tiie snout : third dorsal spine slightly longer 

 than the eye. 



P)odv moderately elongate, about three-fourths as wide as deep. Head flat 

 above, with the usual pores and muciferous canals : jaws equal, the maxillary 

 almost reaching the anterior ocular margin or extending slightly beyond it: a 

 single row of large scales on the cheek; operculum, suboperculum and interoper- 

 culum also scaly: a narrow band of minute teeth on the anterior half of each jaw; 

 a patch of microscopic teeth on the middle of the vomer, which is difficult to 

 detect in any but dried or shri\elled specimens ; a jiatch of minute teeth on the 

 base of tlie tongue: gill-rakers slender, the longest ec|ual to about one-third the 

 length of the eye. 



