PLATE XXXV. 



Figures magnified :{7.~> diameters. 



PAGE. 

 Fig. 1. MICRASTERIAS RADiosA, larger form OOOtaioing aboot forty bipartetl 



lobelets, with apices furcate or bidentate, . 119 

 " 2. smaller form of about twenty bipartite 



lobelets, . . . . .119 



" 3. " another form with about twenty-four similar 



lobelets, some of the apices indicating by 



the smaller indentations a further division, 119 



" 4. MICRASTERIAS MURICATA, small variety, .... 130 



" 5. " ' larger form, .... 130 



" 6 transverse view of semi-cell, . . 13d 



! 7. " end view, . 130 



