PLATE III. 
1 h'ltopecten leniusculus, Dana, sp. 
A very okl aiui partially exfoliated testiferous left valve. 
Deltopecten sulKpiinquelineatiis, McGoij, sp. 
Internal east of a srmiewhat obli(iue left \'alve. 
Localities. 
bdg. 1. Gerringong. 
Fig 2 Loehinvar. 
