Plate 73. 



Fig. I. Rhtzostomii ptihno, 0.75 natural size. Zoological Station, Naples, 



Italy, November 29, 1907. 

 Fig. 2. Co?v/orA/2fl /uAcrr«/rt/a, 0.75 natural size. Zoological Station, Naples, 



Italy. November 30, 1907. 



Drawn from life, b\' the author. 



