EXPLANATION OF PLATF XXIV. 



Fig'. 1. TsUojiJinriis i/Jinh'tts, Rrdiissdnet. A speoiiiieii laTO iiini. lony- 

 fi'om the end of tlie lowei' jaw io the tif>s of the mitklle 

 oauflal lavs. Poi't Steplieiis, New South Wnles. (I'idr ]Mr. 

 n. G. Stead). 



,, 2. Thyrsites utini, Kiiplii'aseii. A Sfiecimeii 450 iiiiii. \o\\g to ttie 

 end (»r the iniiidle caudal ravs, t'loni near Sydney. 



