255 



Q. M. C. EXCURSIONS. 



List of the Principal Objects Obtained at Keston, 



May 19th, 1883. 



{Communicated by Dr. M. C. Cooke, and read May 25th, 1883.) 



Zygogonium ericetorum, Kutz. 

 Staurospermum quadratum, Kutz. 

 Mesocarpus parvulus, Hass. 

 Conferva bombycina, Kutz. 

 Draparnaldia glomerata, Ag. 

 GEdogonium delicatulum, Kutz. 

 Apiocystis Brauniana, Nag. 

 Tetraspora lubrica, Ag. 

 Botryococcus Braunii, Kutz. 

 Raphidium falcatum, Braun. 

 Hyaloiheca dissiliens, Breb. 

 Micrasterias rotata, Half. 

 Euastrum ansatum x Ehrb. 

 Euastrum binale, Turp. 

 Cosmarium margaritiferum, Turp. 

 Cosmarium cucurbita, Breb. 

 Staurastrum dejectum, Breb. 

 Penium digitus, Breb. 

 Penium margaritaceum , Breb. 

 Penium Brebissonii, Ralf. 

 Tetmemorus granulatus, Breb. 

 Tetmemorus la?vis, Kutz. 

 Docidium truncatum, Breb. 

 Closterium lunula, Miiller. 

 Closterium turgidum, Ehrb. 

 Closterium Leibleinii, Kutz. 

 Closterium costatum, Corda. 

 Closterium striolatum, Ehrb. 

 Closterium Diance, Ehrb. 

 Closterium jun cidvm, Ra] f. 

 Spirotcenia condensata, Breb. 

 Journ. Q. M. C, Series II., No. 6. x 



