Some Diverting AMUSEMENTS upon the CARD S.

I. To find out among feveral Cards, one, that another has thought of.

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AVING taken out of the Pack, a certain Number of Cards, and laid them on the Table, before the Person who is to fix his Thought upon fome particular Card, placing them in a regular Order, beginning with the Lowermoft, and ranging the one above another, with their Figures and Points upwards, and counting them readily that you may find out the Number, which for Example, we fhall fuppofe to be twelve Cards; bid him keep in Mind the Number that expreffes the Order of the Card he has thought of, namely, one, if he has thought of the first; two, if he has thought of the fecond; three, if he has thought of the third; &c. Then lay the Cards one above - another, upon the rest of the Pack, first, that which was fhewn firft upon the Table, and that laft which was last fhewn. Then afk the Number of the Card thought of, which we fhall here fuppofe to be four, that is, the fourth Card in Order of laying down, is the Card thought of. Lay your Cards with their Faces up on the Table, one after another,

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beginning with the uppermoft, which you are to reckon four, the Number of the Card thought of; fo the fecond, next to it, will be five, and the third under that, fix, and fo on, till you come to twelve, the Number of the Cards you first pitched upon to fhew the Perfon; and you will find the Card which the Number twelve falls to, to be the Card thought of.

II. Several Parcels of Cards being propofed or fhewn to as many different Perfons, to the End that each Perfon may think upon one, and keep it in his Mind; how to guess the refpective Card which each Perfon bas thought of

Let us fuppofe there are three Perfons in Company, and three Cards fhewn to the first Perfon, that he may think upon one of them, and thefe three Cards laid afide by themselves; then three other Cards held before the fecond Perfon, for the fame End, and likewife laid apart; and at laft three different Cards again to the third Perfon, to the fame End, and likewife laid apart. This done, turn up the first three Cards, laying them in three Stations; upon these three, lay the next three other Cards that were fhewn to the second Perfon and above these, again the three laft Cards: Thus you have your Cards in three Parcels, each of which confifts of three Cards. Then afk each Perfon in what Parcel is the Card he thought of; after which

it will be eafy to diftinguish; for the fir Perfon's Card will be the firft of this Heap; and in like Manner the fecond's will be the fecond in his; and the third Perfon's Card will be the third in his.

III. Several Cards being forted into three equal Heaps, bow to guess the Card that any one thinks of.

It is evident that the Number of Cards must be divifible by three, fince the three Parcels are equal. Suppose then there are 36 Cards, by Confequence there are 12 in each Parcel; as in what Parcel is the Card thought upon; then put all the Heaps together, fo as to put that which contained the Card thought upon between the other two; then deal the 36 Cards again into three equal Hands, obferving that Order of the first Card to the firft, the fecond to the fecond, the third to the third, the fourth to the firft again, and fo round, dealing 1 Card at a Time, till the Cards are dealt off. Then ask again, in what Heap is the Card thought upon, and after laying together the Cards, fo as to put that which contained the Card between the other two, deal off again, as you did before, into three equal Parcels. This done, afk once more, what Parcel the Card is in, and you will eafily diftinguish which it is, for it lies in the Middle of the Heap to which it belongs, that is, in this Example

is the fixth Card; or if you will, to cover the Artifice the better, you may lay them all together, as before, and the Card will be in the Middle of the whole, that is, the eighteenth.

IV. To guess the Number of a Card drawn out of a Piquet-Stock, confifting of 32 Cards.

After any Perfon has drawn what Card he pleases, you may know how many Points are in the Card thus drawn, by reckoning every Knave two, Queen three, and King four, and the reft according to the Number of their Points; then looking upon the reft of the Cards, one after another, add the Points of the firft Card to the Points of the fecond, and the Sum to the Points of the third, and fo on, till you come to the last Card; taking Care all along to throw out 10, when the Number exceeds it; upon. which Account you fee it is needless to reckon up the Tens, fince they are to be thrown out; only you must always add 4 to the last Sum, in order to have another Sum, which being fubtracted from 10, if it be less, or from 20, if it be more, the Remainder will be the Number of the Card drawn: fo that if 2 remain, it is a Knave, if 3 a Queen, if 4 a King, and so on.

V. To guess the Number of the Points, ar Drops, of two Cards drawn out of a Pack.

Whoever draws two Cards out of the Pack, bid them add to each of the Cards drawn, as many other Cards as his Number is under 25, which is a Moiety of the Pack, want ing 1, fixing upon each faced Card what Number he pleases; if the firft Card be 10, add to it 15 Cards; and if the fecond Card laid be 7, add to it 18 Cards; so that in this Example, there will remain but 17 Cards in the Pack, the whole Number taken out amounting to 35; then taking the Remainder of the Pack into your Hands, and finding they are but 17, conclude that 17 is the Joint-Number of all the Points of the two Cards drawn.

To cover the Artifice, you need not touch the Cards, but order the Drawer to fubtract the Number of the Points of each of the 2 drawn Cards from 26, which is a Moiety of the Pack, and direct him to add together the 2 Remainders, and acquaint you with the Sum, that you may fubtract it from 52 the Number of the whole Pack, the Remainder of that being what was enquired after.

For Example, Suppofe a 10 and a 7 are the Cards drawn, take 10 from 26, and there will remain 16; and if you take from 26, the 7 Remainder is 19. The Addition of the two Remainders 16 and 19, amount to the Sum of 35, which fubtracted from 52, leaves 17 for the Number of the Points of the Two drawn CARDS. THE