BY J. DOUGLAS OGILBY. 249 



opposite and confluent, sometimes alternate, and more rarely 

 split up in two or mq^-e narrower spots; the width of the spots is 

 normally much greater than that of the intervening space; head 

 lilac-brown above, gray below, ornamented with numerous darker 

 mottlings, which are mostly round in front of and between the 

 eyes, oval or elongate behind them. 



Etymology: — rjfjLi, half; ^u>vr], girdle. 



A single specimen measuring 5-iO millimeters was obtained in 

 Port Jackson and was preserved to science through the thought- 

 fulness of Mr. J. E. Chinnery, by whom it was purchased in the 

 market and kindly passed on to the writer. 



SYNODONTID^. 



GooDELLA, gen.nov. 



Body elongate, slightly compressed, of almost equal depth 

 throughout; abdomen with a narrow smooth band, separating the 

 terminations of the muscular rings and deeply grooved along each 

 side. Head small, with a short rounded snout. Cleft of mouth 

 moderate, almost horizontal, the lower jaw included; chin without 

 barbel. Premaxillaries long, rod-like, immovable, forming the 

 entire dentigei'ous portion of the upper jaw; maxillary slender, 

 not reaching so far back as the premaxillary. Jaws with a series 

 of lai'ge, compressed, cultriform, rather distant teeth, between 

 which are smaller teeth, one of which is larger than the others; 

 vomer, palatines, and pterj^goids toothless; border of the tongue 

 anteriorly with strong teeth. Eye large, without adipose lid; 

 interorbital region narrow and concave. Gill-openings wide, gill- 

 membranes separate, narrowly attached to the isthmus in front; 

 thirteen (or fourteen) branchiostegals; pseudobranchise present; 

 "•ill-rakers minute and tubercular. All the fins well developed; 

 dorsal fin premedian ; adipose dorsal present, opposite to the 

 anal ; ventral large, eight-rayed, inserted well in front of the 

 dorsal, the inner middle rays the longest; pectorals moderate, 

 rounded, with eleven rays; caudal forked. No photophores or 

 scales; lateral line present. 



