ERRATA. 



Page 6.— Fourteenth line, fourth paragraph. For " smaller share, " read "a 



smaller share." 

 Page 9.— First line, third paragraph. For "14*40 less, read "being 14*40 



less." 

 ,, ,, —Fifth line, fifth paragraph. For "had so smaU a maximum," read 

 " had a smaller maximum." 

 Page 22. — Twentieth line, second paragraph. For "none resemble," read 



not to resemble. " 

 Page 33. — Heading, third line. For "Swabreck," read "Swarbreck." 

 Page 49. — Ninth and tenth lines, fifth paragraph. For "Wave of Tempera- 



txire," read "Wave of Heat." 

 Page 66. —Fifteenth line. For "no considerable with, " read " no consider- 

 able width." 

 Page 68. — Eleventli line. For Bryozric," read " Bryoaoic." 

 Page 72.— Fifth line, sixth paragraph. For "electric-force," read "elastic- 

 force. " 

 ,, ,, —Last Hne, eighth paragraph. For " + 11^," read " +21|." 

 Page 102.— First Hne of tenth paragraph. For "43 deaths," read "44 

 deaths ;" and for " Sf less," read "21 less." 

 „ ,, Table, first column. For "14," read "15;" and for "43," read 

 "44." 

 Page 103. — Table, first column. For "4," read "5," and for "43," read 



"44." 

 Page 110.— Second line, third paragraph. For " automaically, " read "auto- 

 matically. " 

 Page 115.— Third line, eighth paragraph. For " there 2 nils," read "there 

 were 2 nils." 

 ,, „ —First line, ninth paragraph. For "39, being 4§," read "40, 



being 3|." 

 ,, ,, —Table, bottom of first column. For " 12," read 13," and for "39" 

 read "40." 

 Page 116.— Table, first column, third line. For "16," read "17," and at 



bottom for " 39," read "40." 

 Page 117. — Last line of first paragraph. For " minimum, " read "maximum." 

 Page 1.34.— Second line, third paragraph. For " 13^ per 100," read " 13:|per 

 1000 ;" and fourth line, for " 17 per 100," read " 17 per 1000." 



