18 Proceeilin(/s. 



Setaria viridis. Box Hill, near the water-mill. E. S. & 

 C, E. Salmon. 



Scolopendrium vulgare. On a wall in the road leading from 

 Dorking Station to Eanmore Common. E. S. Salmon. 



Parietaria officinalis. Pirbright. E. S. & C. E. Salmon. 



Paris (juadnfolia. Wray Lane, opposite Nutwood, Keigate. 

 C. E. Salmon. 



Silene dichotoma. In a field by the side of the railway, 

 about half-way between Chilworth and Shalford. B. B. Gough. 

 (The plant was kindly named by Mr. N. E. Brown, of Kew.) 



Anthriscus vulgaris. Eeigate Heath, by the Windmill. 

 B. B. Gough. 



Phyteuma orhiculare. White Hill. B. B. Gough. 



Aspleniwn Trichomancs. On an old wall opposite Shalford 

 Church. W. F. Tindall. 



The Rev. James Menzies read a paper on " The Natural 

 History of the Crayfish " : — 



The following is a short extract from it : — 



"Crayfishes do not inhabit every British river, and even 

 where they abound it is not easy to find them at all times of 

 the year. In granite districts, and others in which the soil 

 yields no calcareous matter to the waters which flow over it. 

 Crayfishes do not occur. They are intolerant of great heat, 

 and of much sunshine. They are therefore most active 

 towards the evening, while they shelter themselves under the 

 shade of stones and banks during the day. It has been 

 observed that they have a preference for those parts of the 

 river which run north and south, because of the shade from 

 the mid-day sun. 



'• During the depth of winter. Crayfishes are rarely to be 

 seen about in a stream, but they may be found on its banks, 

 in natural crevices and burrows which they dig for themselves. 



"It does not appear that Crayfishes fall into a state of 

 torpor in the winter. So long at least as the weather is open, 

 the Crayfish lies at the mouth of his burrow, barring the 

 entrance with his great claws, and with his protruding feelers 

 keeps careful watch on the passers by. Larvae of insects. 



