APPENDIX. 
12 9 
Fegatella conica, Taylor, grows very strong, 
and also Lunularia vulgaris. 
Jungermannia epiphylla , Linn. ; furcata, Linn. ; 
asplenioides, Linn. ; emarginata, Ehr. ; nemorosa, 
Linn. ; Taylori, Hook. ; trilobatum , Linn. ; Icevi- 
gatum, Wils. ; coohleariformis, Weis; tomentella, 
Ehr. ; Hutchinsice, Hook. ; have all been success- 
fully cultivated in this collection. 
I remain, my dear Sir, very truly yours, 
D. Moore. 
To N. B. Ward, Esq. 
(H) 
Letter from E. Chadwick, Esq. 
Somerset House, October lith 9 1842. 
Sir, 
On a suggestion made to me by Professor 
Owen in the course of some conversation, I for- 
ward for your acceptance a copy of a report on 
the sanitary condition of the labouring popula- 
tion. Mr. Owen stated that you had been attend- 
ing to the effects of climate on the animal crea- 
tion, as well as on that in which you have made 
so important and brilliant a discovery. I am in- 
duced, therefore, to lose no time in soliciting 
your attention to the facts stated in the Sanitary 
Report. The inquiry as to the atmospheric im- 
purities in some important cases is there opened, 
hut by no means completed or concluded, and I 
