Plate 8. 



Fig. 46. Mnemiopsis leidyi. Twice natural size, with fully expanded 

 oral lobes. Agassiz Laboratory, Newport, Rhode Island^ 

 September 19, 1896. 



Fig. 47. Mnemiopsis gardeni. Twice natural size, with fully ex- 

 panded oral lobes. Core Sound, North Carolina, Novem- 

 ber 18, 1904. 



Fig. 48. Mnemiopsis mccradyi. Natural size, lobes not fully ex- 

 panded. Charleston Harbor, South Carolina. 



Drawn from life, by the author. 



