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 CaroHna, Novem- 

 ber 18, 1904. 



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

 panded. Charleston Harbor, South CaroHna. 



Drawn from life, by the author. 



