Report of U. S. National Museum, 1897.— Flint. 



Plate 71 



Fig. 1 



Fig. 2 



Fig 



Fig 



Fig 



Fig 



SPH>€ROIDINA BULLOIDES D'ORBIGNY. See Page 325. 



SPH/EROIDINA DEHISCENS Parker & Jones. See page 325. 



CANDEINA NITIDA D'ORBIGNY. See Page 325. 

 SPIRILLINA VIVIPARA EHRENBERG. See Page 326. 



SPIRILLINA LIMBATA Brady, see Page 326. 

 SPIRILLINA OBCONICA Brady, see page 326. 



