[ 40 ? ] 
Spj. Phytolacca; frudu monopyreno, majorc ; folio 
longiore, glabro. 
894. Pilofella, major, umbellifera, macrocaulos. 
Floribus eft flofculofts. Col. Ecph. 248. 
895. Rofa; Pimpinellae folio, Scoticaj flore eleganter 
varicgato. 
Rofa Ciphiana. Sibald. Scot.Illuft. 
896. Rofa fylveftris, Virginienfis. 
897. Senecio Americanus ; folio haflato, nitide fer- 
rate. 
898. Siam umbellatum, repens. Ger. Emac. 256. 
899. Solanum, fruticofum, Africaiium 3 Lauri foliis. 
900. Vulneraria ereda annua ; folio fubrotundo leviter 
crenato. 
Loto affinisj Coryli folio. Dod. Mem. 
VI. A ^hyjico-mathemattcal Demonfivathn of 
the ImpofJihiUty and Infufficiency of Vor- 
tices : By M, de Sigorgne. Tranjlated 
from the French hy T. S. M. 2). F. R. S. 
T hat natural Philofophers of an inferior Clafs, 
who confder only the Outfide of Things, are 
obftinate in the Defence of Vortices-, is, in my Opi- 
nion, not to be wondered at : The Idea of them 
ftrikes the Mind very agreeably at firft, and even 
feems to promife the true Mechanifm. But that 
Perfons verfed in the moft profound Geometry, and 
in the moft fublime Calculations, able Academicians, 
who incefl'antly apply themfelves to the Study of 
Na- 
