HYI.GN PEARL OYSTER REPORT 



IDA, PLATE XIV. 



Andrew Scott, del 



FlGS.1-11, PSEUDANTHESSIUS MAXIMUS . FlGS . 12~18, PSEUDANTHESSIUS CHELIFER.. 



Figs. 19-23, Pseudanthessius gracilis t Ci*us. Figs 24-30, Pseudanthessius concinnus. 



M'FivUnr .' I 



