356 CHAPTER 26, 
plant. From his account, this infeft ap- 
pears to be the Dropfy Worm of Dr. Ty- 
son, or the Hydra Hydatula of Lin- 
The Natural Hiftory and Antiquities 
of Northumberland^ and of the North Bi- 
" fhopric of Durham^ lyi^^g between the 
** Tyfie and Tweeds By 'John Wallis, 
M. A. 2 vol. 4°. Lond. 1769. The 
eighth chapter of the firft volume treats 
on the vegetable produftions of this traft, 
with the various medicinal and oeconomi-* 
cal ufes. 
In the " Hiftory and Antiquities of the 
** Counties of Wejlmorland and Cumber^ 
landy' by Jojeph Nicholson, Efq. and 
Richard Burn, LL. D. 2 vol. 4\ 1777* 
the reader v^ill meet w^ith fome obfervations 
on the natural hiftory interfperfed ; but 
the botanift will find but little interefting 
in his way. 
From CAMDEN, from thefe hiftories, 
and other refources, Profeflbr Martyn 
has compiled an abridged lift of all the rare 
plants, digefted.in the order of the coun- 
ties, v^^hich is intended for the ufe of the 
travelling 
