15 
C. hibernica W. Sm. 
C. rhomboides Hants. 
C. solea W. Sm. 
54. Cymatosira 
C. lorenziana Grun. 
55. Cymbella 
C. sp. 
C. affinis Kutz. 
C. aspera Cleve 
C. cistula Kutz. 
C. cuspidata Kutz. 
C. cymbiformis Agandh. 
C. densa 
C. ehrenbergii Kutz. 
C. gastroides Kutz. 
C. heteropheura Ralfs. 
C. kamtschatica Grun. 
C. lanceolata van Heurck 
C; mexicana Cleve 
C. navicula Skvort. 
C. parva Wo11. 
C. pusilla Grun. 
C. tria'ngulum Cleve 
56. Cymbosira 
C. agardhi Kutz. 
57. Denticula 
D. antillarum Cleve 
D. distans Greg. 
D. frigida Kutz-. 
D. marina Greg. 
D. nicobarica Grun. 
D. obtusa Kutz. 
D. stanrophora Greg. 
D. thermalis Kutz. 
58. Desogonium 
D. mirabile Eul. 
59. Diatoma 
D. anceps Ehrb. 
D. ehrenbergii.Kutz. 
D. elongatum W. Sm. 
D. grande W. Sm. 
> D. hiemale Heib. 
D. maximum Grun. 
A-15: 87 
A-16: 3-6 
7-13 
14 
• • 
A-13: 24 
A-16: 15-20 
21 
22-24 
25-33 
34-37 
38-39 
40-41 
42-45 
46-48 
49-59 
60-62 
63 
64 
65 
66 
, 1 67 
68 
.A-16: 
70-71 
72-73 
74 
75 
76 
77 
71 
78 
79 
80 
81 
82-83 
84 
85 
86-89 
