292 



MICRO-FAUNA AND MICRO-FLORA 

 OF UPPER TEESDALE, SEPTEMBER 1889. 



J. M. KIRK, 



Doncaster; Secretary to the Section for Micro-Zoology and Micro-Bota/iy, 



Yorkshire Natiiralists Union. 



The gatherings made on the August excursion were unfertile, but 



the following occur in samples of water kindly forwarded to me by 



Rev. E. P. Knubley, M. A., from Upper Teesdale, on Sept. 24th, 1889. 



Yorkshire side : River Tees, 900 ft. above sea-level, temp. 48 . 



Diatomaceae. Desmidiaceae — none. 



Diatoma vulgare. Rotifera 



Gomphonema acuminatum. 



Achnanthes longipes. Pterodina patina. 



Yorkshire : Stream near Holwick Head Bridge, 900 ft., temp. 50 . 



Diatomaceae. Cosmarium margaritiferum. 



Pinnularia oblonga. Cosmarium tetraophthalmum. 



Pleurosigma attenuatum. Cosmarium pyramidatum. 



Diatoma vulgare. Cosmarium crenatum. 

 Fraeilaria capucina. T c 



Epithemia turgida. Infusoria. 



Cymbosira agardii. Opalina bursaria. 



Cocconema lanceolatum. Euroleptus piscis. 



Gomphonema acuminatum. TJvella virescens. 

 Amphipleura pellucida. 



Nitzschia lanceolata. Rotatoria. 



Nitzschia reversa. Diglena lacustris. 



Frustuha saxomca. Scaridium longicaudum. 



Entomostraca. 



Desmidiaceae. 



Closterium moniliferum. 



Closterium lunula. Cyclops quadricornis (young). 



Yorkshire side : Stream flowing into Tees, 870 ft., temp. 51' 



Diatomaceae. Closterium acerosum. 



Diatoma vulgare. Closterium lunula. 

 Gomphonema acuminatum. Infusoria. 



Cocconema lanceolatum. Trachelitis lamella. 



Pinnularia oblonga. Kondylostoma patens. 



Pinnularia vindis. Nassula elegans. 



Desmidiaceae. Entomostraca. 



.-, . ... r Eurycercus lamellatus. 



Cosmarium margarititerum. ' 



Cosmarium tetraophthalmum. 



Rotifera. 



Tetmemorus granulatus. Pterodina patina. 

 Yorkshire side : Stream flowing into Tees, 870 ft., temp. 46 . 



Rotifera. Kerona mytilus. 



Rotifer vulgare. Chilodon cucullulus. 

 Euchlanis triquetra. Diatomaceae. 



Notommata hyplopus. Diatoma vulgare. 



Infusoria. Desmidiaceae. 



Ichtydium podura. Cosmarium crenatum. 



Spathidium hyalinum. Clostsrium moniliferum. 



Naturalist,. 



