CONTEXTS. 



PAGH 



THE SABBATH 1 



GOETHE'S " FARBEXLEHRE " 47 



ATOMS, MOLECULES, AND ETHER WAVES 78 



COUNT RUMFORD 94 



Louis PASTEUR, HIS LIFE AXD LABOURS 174 



THE RAIXBOW AND rrs COXGEXERS 199 



ADDRESS DELIVERED AT THE BIRKBECK INSTITUTION ox OC- 

 TOBER 22, 1884 224 



THOMAS YOUXG 248 



LIFE ix THE ALPS 307 



ABOUT COMMOX WATER 331 



PERSOXAL RECOLLECTIOXS OF THOMAS CARLYLE . . . 347 



Ox UXVEILIXG THE STATUE OF THOMAS CARLYLE . . . 392 



OX THE ORIGIX, PROPAGATIOX, AXD PREVEXTIOX OF PHTHISIS . 398 



OLD ALPIXE JOTTIXGS 429 



A MORXIXG ox ALP LUSGEX . 498 



