J3T. 20.] CHEMISTRY AND PHYSICS. 35 



3. . . . Called on Carey. Goniometer not yet finished. 

 Went to the Geological Society to see the museum ; introduced 

 myself to Mr Denis, who politely offered to show it to me at 

 any other time, but Mr Lonsdale and some other gentlemen 

 were then upstairs ; he likewise invited me to the general 

 meetings. 



7. Took my eudiometer to have it graduated ; blew 

 glass. . . . 



18. ... I gave a lecture (of one hour) on electricity to my 

 father, sisters, &c. ; succeeded pretty well ; got on as far as the 

 development of the two theories audience well pleased. 



20. ... At J-past 9 gave a lecture on electricity (1J 

 hour) went on as far as the laws of distribution managed 

 very well. 



21. Down at -past 8. Eead. Mr Brooke brought me Biot's 

 ' Geometric Analytique.' . . . Went to Oeller and Green's to 

 have an electrical flask blown ; saw it made myself. 



83. . . . Got home at -J-past 6 ; gave them a lecture on elec- 

 tricity one hour long rather tired. 



March 4- Excursion from Gravesend to Northfleet ; 

 went round to all the cottages ; bought all the fossils we [E. 

 I' Alison and I] saw. 



13. Down at J-past 7. Eead mathematics. Went to the 

 lecture on chemistry at the London University ; asked Dr 

 Turner to take me to the Geological Society, which he promised 

 to do. . . . 



14- . . Eead mathematics. . . . At J-past 8 went to the 

 Geological Society ; heard a very animated and interesting dis- 

 cussion on the Oolitic formations [paper read by Murchison on 

 the Cotteswold and Cleveland Hills]. Messrs Murchison, Cony- 

 beare, Sedgwick, De la Beche, Lyell, Greenough spoke ; asked Dr 

 Turner to propose me as a member. 



%0. Down at J-past 8. Eead ; cleaned some chalk fossils. . . . 

 Walked home. E. Newton was there. Made some laughing-gas 

 E. I'Anson, Edward, and myself. Nearly threw E. I'A. into con- 

 vulsions all of us much frightened ; had little effect on E., very 

 little on me and my sisters ; E. I'A. and E. Newton ran away 

 when I took it. Eead, and retired at J-past 11. 



21. . . . E. I'Anson studied with me at the goniometer. 



