MICROSCOPICAL AND NATURAL HISTORY SECTION, 
November 7th, 1870. 
Joseph Baxendell, F.RA.S., President of the Section, in 
the Chair. 
Mr. Baxendell reported that, in accordance with a wish 
expressed by the Council of this Section, the Parent Society 
had agreed to an alteration of the rules respecting the 
admission of Associates to the Section ; in future the sub- 
scription for Associates, with the present privileges, will be 
10s. per annum, and to those paying a subscription of 20s. 
per annum, the right of taking books out of the Library 
will be accorded. 
Mr. Spencer Bickham, Jun., called attention to the very 
serious inconvenience that was experienced by all having 
occasion to distribute Natural History specimens, owing to 
the recent prohibition of the authorities to allow such 
parcels to be transmitted by “sample post,” and it was 
agreed that a Memorial be forwarded to the Postmaster 
General. 
“ The Hawthorns of the Manchester Flora,” by Mr 
Charles Bailey. 
Amongst the aggregate species of plants whose distribu- 
tion in subordinate species is imperfectly known, stands 
the common Hawthorn, Crataegus Oxyacantha L., met with 
throughout Britain. In recent years (beginning with Jac- 
quin, in 1775), this plant has been separated into several segre- 
gate species, three or more of which are known to occur in 
this country, viz., C. monogyna Jacq., C. kyrtostyla Fing., 
and C. oxyacanthoides Thuill. Of these three species, sub- 
species, or varieties, according as they are so held, Mr. H. C. 
Watson, in his recently completed “Compendium of the 
