224 Skeppard: Yorkshire Naturalists at Brough, 



List of Diatoms found, the heavy figures denotii 



indance 

 s 6 



Q E 



Achnanthes linearis... 

 Achnanthes lanceolata 

 Achnanthes microcephala . . . 

 Amphora ovalis 

 Amphora ovalis var. aftmis 

 Amphora ovalis var. pediculus 

 Cocconeis plaeentula 

 Cocconeis plaeentula var. lineat 

 Cocconeis pediculus 

 Campylodiscus Hihernicus 

 Gyclotella comta var. radiosa 

 Cymatopleura Solea 

 Cymbella affinis 

 Cymbella Cistula 

 Cymbella cuspidata var. navicul 

 Cymbella lanceolata 

 Diatoma elongatum 

 Diatoma Xiemale ... 

 Denticula tenuis var. inflata 

 Encyonema caespitosum ... 

 Encyonema ventricosum ... 

 Epithemia sorex 

 Eunotia arcus 

 Frag-ilaria capucina 

 Fragilaria construens 

 Frag-ilaria construens var. ventc 

 Fragilaria mutabilis 

 Gomphonema constrictum 

 Gomphonema olivaceum ... 

 Gomphonema parvulum 

 Melosira varians 

 Meridion circulare ... 

 Xavicula ambigoia ... 

 Xavicula amphisbaena 

 Xavicula cincta ... ... 



Xavicula cuspidata ... 

 X'avicula cryptocephala 

 Xavicula Gastrum ... 

 X'avicula humilis 

 Xavicula oblong-a ... 

 Xavicula radiosa 

 Xavicula viridula ... 

 Xitzschia dissipata ... 

 Xitzschia dubia 

 Xitzschia Hung-arica 

 Xitzschia linearis ... 



mi 



3 JUL 1901 



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Naturalist, 



