58 



♦ KNOWLEDGE ♦ 



[January 1, 1887. 



In reality, the odds at any deal are largely in favour of 4-13 (that is, a player may expect 4 singletons in 13 hands), 

 a singleton appearing in some hand or other. Even the We leave the proof of this till next month, when we will 



chance of a singleton appearing in a hand taken at random 

 is much larger than many suppose — no less, in fact, than 



give it as an exercise for the reader (the data will be found 

 at page 196 of our " How to Play Whist "). 



MAP I. 



HIGH NORTHERN lATm/DES 

 by IUch?APi:BcU)r. 



MAP 6 



Scale of Miles at hurder ormap 

 square tn a.raeU}LS in, directum. . 



■Small areas ore^reaier hy }&S ^Tud/" 

 yve^ to the cd^e , and. hy '/tt . at, 

 the edge . 



Edwmeher,del. 



Map I.— The North Polar Regions, on the Equidistant Projection: 



Being the First Map of the One-Scale Atlas. 



ONE-SCALE ATLAS. 



"* for this atlas, and mapping each part, with convenient 



NORTH POLAK MAP. overlaps, on one uniform projection, in such sort that the 



Map No. I.— The Regions abound the North Pole. | scale is practically constant throughout. But we give the 



WANT of space prevents us from giving this month, as first map of the series, whose relation to the others can be 



we had proposed, an account of the method of recognised from the index maps in the November and 



dividing the earth's surface into twelve exactly equal parts, December numbers of Knowledge. 



