1. Historical sketch of the improvements in Botany in 1819, 
by S. F. Gray. Thomson, Ann. Phil. xvi. 1820. 
This essay, like the Medical Plants in my father’s previously 
published 4 Supplement to the Pharmacopoeia,’ was arranged in 
the natural order of Jussieu, then first used in any English 
work. It was condensed by my father from my notes made 
from the works in Sir Joseph Banks’s library, where I had 
been introduced by Dr. Leach. This paper and the one on the 
progress of Zoology were the forerunners of the various works 
published on the progress of Natural History and the more 
modern 4 Zoological Record.’ 
la. Historical sketch of the improvements in Comparative Anatomy 
and Zoology in 1819. Thomson, Ann. Phil. xvi. 1820. 
The materials of this paper were collected while occupied on 
the former. I was much assisted by my friend and teacher, 
Dr. Leach. 
16. On CoZchicum-seeds. London Med. Repos, xv. 1821, p. 282. 
2. A natural arrangement of Mollusca according to their internal 
structure. London Med. Repos, xv. 1821, p. 229. Abridged: 
Feruss. Bull. 1824, i. p. 191 ; Blainv. Man. Malac. p. 72 ; 
Johnston, Introd. Conch, p. 560. 
3. List of new British species of Mollusca. Lond. Med. Repos, xv. 
1821, p. 239. 
4. On the natural arrangement of Vertebrose Animals (Mammalia). 
Lond. Med. Repos, xv. 1821, p. 296. 
4a. Natural arrangement of British Plants, by S. F. Gray. 2 vols. 
8vo, 1821. 
The preface and the introduction to the study of Botany and 
its terms, occupying the half of the first volume containing the 
essence of the “ Decandolle Theory ” and “ Mirbel’s Elements,” 
were written by my father; the systematic synopsis of the plants, 
occupying the rest of the book, by myself, under my father’s 
superintendence. I was assisted in this part by MM. Decandolle 
and Dunal, R. A. Salisbury and E. T. Bennett. The book was 
delayed for nearly a year, when all but the end of the first 
volume was printed, by Mr. R. Brown ordering me to return a 
copy of Nees von Esenbeck which Sir Joseph Banks had kindly 
lent me, and which I was unable to consult again ; so I had 
no means of finishing the Fungi until I could obtain another 
copy from Germany. My father wrote an article on the 
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