30 
0. mesodon Kutz. 
127. Odontodiscus 
0. excentricus Ehrb. 
0. subtilis Grun 
128. Odontotropsis 
0. corinata 
129. Okedenia 
0. inflexa Eul. 
130. Omp'halopelta 
0. celliilosa Ehrb. 
0. moroninis Grev. 
0. versicolor Ehrb. 
131. Opephora 
0. schwartzii Petit. 
132- OrtboriPi s 
0. barbadensis Grev. 
0. fimbriata Grun. 
0. splendida Grun. 
133. Orthosira 
0. arenaria W. Sm. 
0. punctata W. Sm. 
0. solida Ehrb. 
134. Oscillaria 
O. elliptica 
135. Palmeria 
P. sp. 
136. Peponia 
P. barbadensis Grev. 
137. Peristephania 
P. baileyii Ehrb. 
f P. eutycha Ehrb. 
A-27: 86-87 
88 
89 
90 
91 
92 1 
A-7: 81 
A-27: 93 
94 
95 
96 
97-100 
A-28: 1-4 
5 
A-15: 87 
A-28: 6 
7 
8 
9 
10 
11 
12-13 
