INDEX 



165 



leibleinii, 135 



littorale, 135 



lunula, 135 



moniliferum, 135 



obtusum, 133 



parvulum, 135 



pritchardianum, 135 



strigosum, 135 



striolatum, 135 

 V. elongatum, 136 

 V. intermedium, 134 



suhtruncatum , 134, 135 



turgidum, 136 



venus, 136 

 Cocconeis, 48 



communis, 48, 49 



flexella, 48 



lineata, 49 



pediculus, 48 



placentula, 49 

 V. lineata, 49 

 Cocconema cymhiforme, 63 

 Coelastraceae, 4, 105 

 Coelastrum, 105 



cambricum, 105 



microporum, 105 



reticulatum, 106 



sphaericum, 106 

 Coelosphaerium, 16 



collinsii, 16 



kuetzingianum, 16 



naegelianum, 16 

 Colaciaceae, 4, 153 

 Colaciales, 4, 153 

 Colacium, 153 



calvum, 153 



vesiculosum, 153 

 Coleochaetaceae, 4, 81 

 Coleochaete, 81 



irregularis, 81 



nitellarum, 82 



orbicularis, 82 



scutata, 82 



soluta, 82 

 Colletonema 



lacustre, 62 

 Conferva bombycina, 32 



minor, 33 

 utriculosa, 2>3 

 vulgaris, 154 

 Coscinodiscaceae, 3, 37 

 Coscinodiscineae, 3, 37 

 Coscinodiscus, 37 

 asteromorphus, 37 

 asteromphalus, 37 



Cosmarium, 136 



biretum v. trigibberum, 136 



botrytis, 136 



broomei, 136 



constrictum, 136 



crenatum, 136 



cucumis, 136 



curtum, 136 



dentatum, 136 



depressum, 137 



formosulum, 137 

 V. nathorstii, 137 



granatum, 137 



holmiense, 137 

 V. integrum, 137 



meneghinii, 137 



moniliforme, 137 



nitidulum, 137 



pachydermum v. aethiopicum, 137 



pericymatium, 137 



polygonum, 137 



porrectum, 137 



protractum, 138 



punctulatum, 138 



quadrum, 138 



quinarium, 138 



rectangulare, 138 



reniforme, 138 



sexangulare, 138 

 f. minima, 138 



speciosum, 138 



subcostatum, 138 



subcrenatum, 138 



subimpressulum, 138 



supraspeciosum, 138 



triplicatum, 139 



turpinii, 139 

 Cosmocladium, 139 



saxonicum, 139 

 Crucigenia, 112 



irregularis, 112 



lauterbornei, 112 



rectangularis, 112 



tetrapedia, 112 

 Cyanophyta, 3, IS 

 Cyclotella, 37 



antiqua, 37 



bodanica, 37 



V. michiganensis, 37 

 V. stellata, 37 



comta, 37 



V. glabriuscula, 37 



glomerata, 37 



kuetzingiana, 37 



melosiroides, 37 



