at Conisborough and Doncaster. 



121 



Anuraea aculeata. 

 Anuraea eochlearis 

 Brachionus bakeri. 

 Brachionus rubens 



Dinocharis pocillum. 

 Common. Euclanis triquetra. 



Pterodina patina. Common. 

 Rotifer vulgaris. 



tube-builders. Mr. Stiles also noticed 



He did not meet with any 

 Stentor. 



The Diatomaceous gatherings were worked out in two 

 groups one from Cusworth (i), the other from the little spring 

 at Cadeby (2), a fragment of scum from the middle pond at 

 the latter place being especially rich. 



Amphora ovalis. 1. 

 Amphora ovalis 



van affini* minor, i. 

 Cymbella cuspidata. i. 

 Cym bella cuspidata 



var. naviculiformis. t. 

 Cymbelja cymbiformis 



var. parva. 2. 

 Stauroneis phaenicenteron. r, 2. 

 Stauroneis anceps. r. 

 Navicula major, r. 

 Xavicula viridis. 2. 

 Naviewla oblonga. 2. 

 Xavicula viridula. i. 

 Xavicula radiosa. 1, 2. 

 Xavicula rhynchocephala. 1. 

 Xavicula humilis. 1. 

 Xavicula dicephala. 1, 2. 

 Xavicula lanceolata. 2. 

 Xavicula cuspidata. 1. 

 Xavicula sculpta. 1. 

 Xavicula limosa 



var. gibberula. 2. 

 Colletonema lacustre. 2. 

 Amphipieura pellucida. 1. 

 Pleurosigma attenuatum. t, 2. 

 Pleurosigma spencerii. 1, 2. 

 Gomphonema constrictum. 1, 2. 

 Gomphonema acuminatum. 1,2. 

 Gomphonema montanum 



var. subclavatum. 2. 



Gomphonema ahg'ustatum. 

 Cocconeis placentula. 1. 

 Epithemia turg-ida. 1. 

 Epithemia g-ibba 



var. ventricosa. 

 Epithemia g-ibberula 



var. producta. 

 Epithemia zebra. 1. 

 Eunotia lunaris. 2. 

 Eunotia lunaris 



var. bilunaris. 

 Synedra vaucheriae 



var. parvula. 

 Synedra ulna. 2. 

 Synedra ulna 



var. longissima. 

 Synedra acus. 2. 

 Eragilaria capucina. 1, 2. 

 Meridion circulare. 2. 

 Diatoma elongatum. 1. 

 Cymatopleura elliptica. 1. 

 Cymatopleura solea. 1, 2. 

 Surirella ovalis. 2. 

 Surirella ovalis var. minuta. 

 Surirella biseriata. 1. 

 Campylodiscus hibernicus. 

 Hantzschia amphiox}-s. 1. 

 X T itzschia punctata 



var. elongata. 

 X T itzschia acuminata. 1. 

 Xitzschia sigmoidea. 2. 

 Melosira varians. 2. 



Gomphonema intricatum. 2. 



Mr. William Ingham, B.A., of York, reported on the Mosses 

 as follows : — At the foot of Conisborough Castle grow Eurfiyn- 

 chium confertum Milde (in fruit as usual), Tortula mura/is Hedw., 

 Brachythecium rutabulum B.&S., Eurkynchmm prcelongum 

 B.&S., Amblystegium serpens B.&S., A. jurutzkcc S chimp., 

 Eurhynchium speciosum Schimp., and Brynm ctBSpiticiiim I.. Ot 



rgoa April 1. 



