EXCUESIONS OF THE PAST YEAR. 135 



volvox, sparingly ; Volvox globator, fine and abundant ; jfEcidium 

 Eanunculacearum\iSi,s found in Eoehampton Lane. 



The mosses collected by Dr. Braithwaite, specimens of wbich have 

 been presented to tbe club, were as follows : — 



Pleuridium subulatum 

 Weissia cirrhata 

 Physcomitrium pyriformo 

 Webera nutans 

 Bryum csespiticium 

 Aulacomnium palustre 

 Philonotis fontana 

 Polytrichum commune 

 juniperinum 



Pogonatum aloides 

 Hypnum cuspidatum 



illecebrum 



purum 



Lophocolea bidentata 



heterophylla 



Jungermannia bicuspidata 

 Pellia epipbylla 

 Eadula complanata 



In a ditcb running eastward from tbe large pond Vorticella 

 microstoma was found in great abundance, adhering to Anacharis 

 in gelatinous masses ; also Ophrydium versatile, embedded in a 

 globular gelatinous cyst of a pale green colour, measuring from one 

 to two inches in diameter, and swimming freely. Each ophrydia is 

 stated to be from -j-i-g- in. to -j-^ in. in length, so that a cubic inch 

 would contain eight millions. The entire mass is sometimes as 

 large as a man's fist.* 



May 16. Chiselhurst. 



By kind permission of Mr. Wollaston much time was spent in 

 riewing his beautiful garden, containing several himdred varieties of 

 ferns, ^cidium viola, Melicerta ringens, and Volvox globator were 

 obtained from the ponds. 



May 30. High Beech. 



In consequence of the heat all the pools were dried, and nothing 

 "was collected but Chara translucens and another unnamed species 

 of Chara, supposed to be new. 



JUNE 13. NORTHFLEET. 



The most interesting object obtained on this occasion was the j9Esop 

 shrimp, Pandalus annulicornis in its larval state. It was found in 

 some quantity in one of the ditches near the railway station. 



* See Micrograpkic Dictionary. 



