CORRIGENDA. 



p. 3, line 25 from the top, insert positive before number. 



p. 68, Example 2, the path is a rectangular hyperbola. 



p. 69, Example 14 for cos~ l { read {cos" 1 . 



p. 70, Example 17, the path is a conic. 



p. 70, Example 18, for sine read hyperbolic sine. 



p. 71, Example 24, the third component should be w - (u 



p. 72, Example 36, the range is 2E, not R, 



p. 75, Example 60, for Ilitfa read Zhv^g. 



p. 76, Example 66, for %ir + 6 read \ir-Q. 



p. 79, Example 94, result should be ( 1 + - ) . /(!--] years. 



3?r \ nj \/ \ nj 



p. 80, Example 105, result should be e 3 h 2 XP/(lSM s ). 



p. 82, Example 121, the acceleration contains an additional term varying in- 

 versely as the cube of the distance. 



p. 84, Example 138 for 4* 2 (2a~ 3 - ...) read 4/c 2 (2>- 3 - ...). 

 p. 164, Example 17, result should read 



V (am 6^-u cos d} - \p -((sin 30 - sin 6) d ~ Q - 2 cos 01 = C. 

 \ rf0 / (. a0 J 



p. 164, Example 18, result should read 



p. 165, line 3 from the bottom, for uja, rea 

 p. 224, Example 155, 



gx [<*> 2 _ r qx 



jor ^ i r P dp read ^ = 



p. 263, line 9 from the top, 



read {(U-U')*-(u-u')*}. 

 p. 289, line 11 from the bottom, for kinectic read kinetic. 



