( 748 ) 
giddy and fiek. Touching the reafon,why Cats and Hcrfes arc 
fenfibleof the leaft impreffions of light , he alledges it to be 
this, that they have a great ftock of animal fpirics , keeping 
the membrans of the Eyes very well diftended : Where he takes 
notice of a Man, of a hot temper, by him known, who had fuch 
Cats-eyes, that he could read a Letter in the dark, where he, 
the Author , could hardly fee the Letter it felf. The caufe, 
vi/hy fome Animals^as lurkies and Buffalo s cannot endure the 
fight of Red^ he conceives to be , that the rays of light are 
thence caft with a coo rapid motion upon their animal fpirits, 
and thereby enrage them ; there being required a due propor- 
tion between the motion of the Spirits and the Lucid rays. 
Further, he takes notice of the GUnduls znd J^jmphatic 
velTels of the Eyes; where he gives an account, why Women 
and Children are fo prone to cry 5 why tears are fait; why 
people do weep both in fuddenjoyes, and in Sadnefs, asa'fo 
in fneez ng, violent laughing, and eating of very ftarp things, as 
Muftard,&c. 
After this, he treats of thedifTerent Formation of the Eye 
in divers Animals, and even in Individuals of the fame Jptcies. 
Here he confiders the peculiar ftruflure of the Eyes of Owles, 
Bats, Cats, Fiflies, Birds^Oxcn, Horres,Sheep,&c. yet without 
noting the extraordinary fabrick of the Camelecn. 
Laftly, he inftrufts young Anatomifts in the manner of the 
difleflion of the Eyc^having 6rfl: Ihew'd the manner how Vifion 
is performed. 
BEfidesthefe/^rd'^ Books, we cannot but take notice here 
of a fourth^ which, though a very fmaU one , yet appears 
veryufeful, more and more to promote in thefe Kingdoms all 
Hortulan affairs : It iscntituled s 
Nurferies, Orchards^ Vrojitable Gardens^ and Vineyards en- 
couraged ; the prefent Ohjlruiiions removed 5 and frcbable Ex' 
pedients for tke better Frogrefs fropefed: For the general benefit 
^fhU Majejlies Dominions ^iind more particularly of Cambridge, 
in the Lhampain-Countries ^ and Korthern parts of England: 
In f(ver/tl Letters out of the Country ^hj Dr.John Beale and Mr. 
iin hofiy Lawrence. 
Of thefe Letters, though hitherto there be printed but Two 5 
yet 
