Foster : Integration in Science. 
The Journal Book of the Royal Society of London for the 
Advancement of Natural Knowledge, contains the following 
record of the ordinary meeting of 
[Sorted Septemb: y® 10": 1662. 
Mersennus his account of the tenacity of Cylindricall bodies 
was read by Mr. Croone, to whome the prosecution of that matter 
Italian treatise, wherein he handleth of this Subject, shall be 
printed. 
It was order’d, that, at the next meeting, ee ides should 
bee made with wires of severall matters of y® same size, ge 
copper, iron, &c. to see, what bi Sa will beset them e 
Curatour is M' Croone 
he reading of the french Manuscript brought in by St Robert 
Mo about taking heights & atindie a by pan tone was 
differred, till the description of the instrument should c 
D* Goddard made an aig AES: concerning the pi ‘that 
presseth the aire into lesse dimensions; and it was found, that 
twelve ounces did contract ¢ part of Aire. The quantity of Aire is 
wanting. 
My Lord Brouncker was desired to send his Glasse . 
D* Goddard, to make further ea ts about the force of 
pressing the aire into lesse dimens 
D' Wren was put in mind to preeaeuis M’ Rook’s observa- 
tions concerning the motions of the Satellites of Jupiter. 
Charleton read an Essay of his, concernin g the velocity — 
of sounds, direct and reflexe, and was desired to prosecute this 
matter; and to bring his discourse again geet day to be enter’d. 
D' Goddard made the Experiment to shew how much aire 
a man’s lungs may hold, by sucking up water into a separating 
glasse after the lun s have been well emptied of Aire. Severall 
three-quarters, &c. Here was observed the variety of whistles or 
tones, which i water made at the severall hights, in falling out of 
the seme again. 
‘ Evelyn’s Re pacuneat was brought in of Animal engraft- 
ings, and in particular of making a Cock spur grow on a Cock’s 
head. 
t was discoursed whether there be any such thing as sexes in 
trees and other plants; some instances were brought of Palme- 
trees, plum-trees, hollies, Ash trees, Quinces, pionies, &c.: wherein 
_a difference was said to be found, either in their bearing of fruit, 
sterility, may bee made by ingrafting. 
or in their hardnesse and softness, or in their medicall operations: 
some said that the difference, which is in trees as to fertility or 
Naturalist, 
