6l 



Fig. 88. Amphora cof f eaef ormis , (5), cells 20-50u long, 10-l8u wide; 

 16-25 striae in lOu; intercalary bands fine, about 21 in 

 lOu. X 1000. 



valve view 



girdle view 



Notes : 



Fig. 89. Amphora ovalis , (5), cells 20-1^0u long, 17-63U wide; 

 10-13 striae in lOu. X 1000. 



girdle view 



Notes : 



Notes on other species of AMPHORA . 



