HEDLEI & MAY : ON PHOLADOMYA TASMANIGA. 



133 



angle reaching to the ninth radial from the anterior end. Length 24, 

 height 19, depth of single valve, 20 mm. A second broken specimen 

 indicates a length of 34 mm. 



Hai.—Ona entire right and a portion of a larger left valve were 

 dredged by W. L. May in 50 fathoms,., 3 miles off Port Arthur, 

 Tasmania. Type in the Australian Museum, Sydney. 



