408 



MEDUSAE OF THE WORLD. 

 Persa incolorata McCrady. 



Fig. 261.— Persa incolorata, young medusa, from Beaufort, North Carolina. 

 Fig. 262.— Persa incolorata, mature medusa, from Beaufort, North Carolina. 

 Drawn from life, by Prof. W. K. Brooks. 



Persa ™ohrma, McCadt, .857, Gymn Charleston Harbor, p. ,04, plate ,2, fig. j.-Agassiz, A., ,865, North Amer. Acal., 

 p. 50.— Haeckel, 1879, s . vst - d « Medusen, p. 279. 



Bell oval and about 3 mm. in height and 1.5 mm. in diameter; walls thin. There area 

 large number of long, brittle, club-shaped, ciliated tentacles. 8 sensory-clubs between the 8 



