PLATE XXII. 
Eurydesina hobartense, Johnston. 
Fiff. 1. Portion of a testiferous left valve (see PI. XXI, fig. 3; PI. XXII I, fig. 5) .showing a 
proclucecl anterior end. 
Fig. 2. Internal cast of a left valve (see PI. XX, fig. 6; PL XXIII, fig. 5) exhibiting radii, 
portion of the resilifer, inflection for the reception of the right cardinal fold, 
visceral reti'actor scars, and that of the adductor. 
Eurydesma cordatuin, Morris. 
Fig. 3. Anterior view of the innbonal region of a left valve displaying a greatly thickened test, 
as evinced by the width between the umbo and the cardinal margin. 
Fig. 4. Right valve of a very young testiferous individual. 
Fig. 5. Anterior view of the conjoined valves of Fig. 4, the umbonal region of the left valve 
projecting above that of the right. 
Localities. 
Figs. 1, 2. Maria Island, Tasmania. 
Fig. 3. Allandale, near West Maitland. 
Figs. 4, 5. Harper’s Hill, near West Maitland. 
