ZOOLOGICAL AND BOTANICAL ASSOCIATION. 



63 



Amphora ovalis. 



„ minuti8sima. 

 Amphipleura pellucida. 

 Achnanthidium microcephalum. 



„ lanceolatum. 



Cocconeis pediculus. 

 Cyclotella Kutzingiana. 

 Campylodiscus costatus. 

 „ spiralis. 



Cocconema lanceolatum. 

 ,, cymbiforme. 

 ,, parvum. 

 Cymatopleura elliptica. 

 „ apiculata. 



„ solea. 



Denticula tenuis. 

 Diatoma vulgare. 

 Epithemia granulata. 

 „ gibba. 

 „ turgida. 

 „ rupestris. 

 Fragillaria capucina. 

 Gonphonema dichotomum. 

 „ acuminatum. 



,, intricatum. 



Himantidium pectinale. 

 „ gracile. 



,, undulatum. 



„ soleirolii. 



Melosira varians. 

 Meridion circulare. 

 Navicula ovalis. 



crassinervia. 



Navicula gibberula. 

 „ dicephala. 

 „ tumida. 

 ,, rhomboides. 

 ,, producta. 

 Nitzchia sigmoidea. 

 „ tenuis. 

 „ linearis. 

 „ minutissima. 

 Odontidium mesodon. 

 „ tabellaria. 

 „ parasiticum. 



Pleurosigma attenuatum. 

 Pinnularia viridis. 

 „ major. 

 „ mesolepta. 



n 



radiosa. 



„ oblonga. 

 „ tabellaria. 

 Surirella ovalis. 



„ splendida. 



„ pinnata. 



„ biseriata. 



„ angusta. 



,, minuta. 

 Synedra radians. 



„ lunaris. 

 Stauroneis gracilis. 



„ phenicenteron. 



„ anceps. 



,, linearis. 



Tabellaria floculosa. 



,, fenestrata. 



Pkofessob Haevey made some verbal observations on a peculiar form 

 of Fibro-cellular Tissue "which he had recently observed in a confervoid 

 Alga from the coast of Florida, and had just described and figured in 

 the third Part of his " Nereis Boreali Americana." 



