226 



YORKSHIRE NATURALISTS UNION. 



page 



/lage 



cambricum, Cosmarium ... 82 



Campylodiscus, Genus ... 210 



capitata, Synedra ... ... 199 



capitatum, Gomphonema ... 184 



capitulum, Staurastrum ... 107 



capucina, Fragilaria. . . ... 200 



Mougeotia ... 33 



cardinalis, Navicula... ... 166 



Castagnei, Aphanocapsa ... 156 



catieniformis, Hormiscia ... 20 



Spirogyra ... 37 



catenatum, Cylindrospermum 143 



caudatum, Tetraedron ... 124 



celatum, Cosmarium ... 77 



Cerasterias, Genus ... ... 125 



ceratium, Closterium ... 56 



Ceratoneis, Genus ... ... 196 



Chajtomorpha, Genus ... 30 



Chsetophora, Genus... ... 23 



Chsetophorefe, Sub-Family ... 22 



Cha'tospheridium, Genus ... 22 



chalybea, Chantransia ... iz 



Oscillatoria ... 150 



ChaiTiEesiphonacese, Order ... 151 



ChaniEesiphoneae, Family ... 151 



Chantransia, Genus... ... 12 



Characiea;, Sub- Family ... 125 



Characium, Genus ... ... 125 



Chlamydomonas, Genus ... 114 



chlamydosporum, Mesotsenium 42 



Chlorochytrium, Genus ... 127 



Chlorophycese, Class ... 14 



Choaspis, Genus ... ... 3^ 



Chodatella, Genus ... ... 123 



Chroococcacese, Family ... 151 



Chroococcoideie, Order ... 151 



Chroococcus, Genus ... 157 



Chroocystese, Sub-Family ... 151 



Chroolepidacese, Family ... 28 



Chroothece, Genus ... ... 152 



ciliata, Oocystis ... ... 123 



ciliatum, Oidogonium ... l5 



circinalis, Anabsena ... 142 



circulare, Cosmarium ... 58 



Euastrum ... 61 



Meridion ... 201 



circumsuta, Nitzschia ... 212 



Cistula, Cymbella ... ... 161 



Cladophora, Genus ... ... 30 



Cladophoracese, Family ... 30 



Clathrocystis, Genus ... IJS 



clavata, Pleurotsenium ... 5^ 



Clonothrix, Genus ... ... 148 



closterioides, Penium ...~ 45 



Closterium, Genus ... ..."48 



— — Nitzschia ... 216 



Trans. Y.N.U., 1901 (pub. July 1901I. Rot. Series, Vol. 5, 



