226 



YORKSHIRE NATURALISTS UNION. 



page 



cambricum, Cosmarium 

 Campylodiscus, Genus 

 capitata, Synedra ... 

 capitatum, Gomphonema 

 capitulum, Staurastrum 

 capucina, Fragilaria... 



Mougeotia 



cardinalis, Navicula... 

 Castagnei, Aphanocapsa 

 catieniformis, Hormiscia 



Spirogyra 



catenatum, Cylindrospermum 

 candatum, Tetraedron 

 celatum, Cosmarium 

 Cerasterias, Genus ... 

 ceratium, Closterium 

 Ceratoneis, Genus ... 

 Chietomorpha, Genus 

 Chjetophora, Genus... 

 Chfetophorese, Sub-P"amily 

 Cha'tospheridium, Genus 

 chalybea, Chantransia 



Oscillatoria 



ChamKsiphonacese, Order 

 Chamtesiphoneje, Family 

 Chantransia, Genus... 

 Charades?, Sub-P^amily 

 Characium, Genus ... 

 Chlamydomonas, Genus 

 chlamydosporum, Mesotsenium 

 Chlorochytrium, Genus 

 ChlorophyccEe, Class 

 Choaspis, Genus 

 Chodatella, Genus ... 

 Chroococcacei^, Family 

 Chroococcoidefe, Order 

 Chroococcus. Genus 

 Chroocystea?, Sub-Family 

 Chroolepidacete, Family 

 Chroothece, Genus ... 

 ciliata, Oocystis 

 cilialum, Gidogonium 

 circinalis, Anabaena 

 circulare, Cosmarium 



Euastrum 



■ Meridion 



circumsuta, Nitzschia 

 Cistula, Cymbella ... 

 Cladophora, Genus ... 

 Cladophoracese, Family 

 Clathroc3'stis, Genus 

 clavata, Pleurot£enium 

 Clonothrix, Cienus ... 

 closterioides, Penium 

 Closterium, Genus ... 



Nitzschia 



Trans. Y.N.U., iqot (piili. July 1901). )'ot. Series, Vol. 5. 



