1880.] 
75 
[Nichols. 
Christison, Sir Robert. — Address at opening session of the Royal 
Society of Edinburgh, November 27, 1871. Proc. Roy. Soc. Edinb., vi i 
(1869-72), pp. 531-574. 
[The address contains (pp. 567-574) the results of some observations on temperature 
made on various Scotch lochs. The following are the observed temperatures at top 
and bottom ; the decrease from the surface was perfectly regular. 
St. Mary’s Loch, 
June 12-13, 
1871. 
Surface 
56° F. 
<t a 
U II 
44 
150 feet 
46° f. 
« « 
September 8, 
44 
Surface 
65° 
(( n 
(< a 
44 
144 feet 
47° 
Loch Lomond, 
October 11, 
44 
Surface 
62° 
It 11 
a a 
44 
400-618 feet 
41°.8 
a << 
“ 12, 
44 
Surface 
52° 
II tc 
a a 
44 
300-518 feet 
42° 
II II 
November 18, 
44 
Surface 
460 
11 11 
u a 
44 
270-610 feet 
420 
11 u 
April 10, 
44 
Surface 
430 
It (( 
44 44 
44 
200-574 feet 
420 
(1 u 
May 6, 
44 
Surface 
440.5 
II II 
44 44 
44 
300-574 feet 
420.1 
The observations, on and after November, were made with a protected Casella 
thermometer, those previous to that time with a Six’s thermometer.] 
De la Beche, H. T. — Sur la profondeur et la temperature du Lac 
de Geneve. Bibl. Univ. Sci. et Arts, xii (1819), pp. 118-126; Edinb. 
Phil. Journ., ii (1820), pp. 107-110; Ann. de Chim., xix (1821), pp. 
77-83; Gilbert Ann., lxvi (1820), pp. 146-151. 
[Observations made September, 1819. He found the temperature from 40 to 70 
fathoms, to be 44° F. ; from 80 fathoms down, 43°. 5 F. The thermometer used was 
not protected against pressure.] 
De la Beche. — Sur la temperature des lacs de Thun et de Zug en 
Suisse. Bibl. Univ. Sci. et Arts., xiv (1820), pp. 144, 145; Gilbert 
Ann., lxvi (1820), pp. 151-152. 
[The temperature in Lake Thun was found to be 41°.5 F. from 50 to 105 fathoms; 
in Lake Zug, 41° from 25 to 38 fathoms.] 
Dewey, Chester. — On the temperature of Lake Ontario. Amer. 
Journ. Sci., xxxm (1838), pp. 403-405; xxxvn (1839), pp. 242, 243. 
[Record of observations of surface temperature at various points in a line across 
the lake from shore to shore.] 
Fischer-Ooster, C. de, et C. Brunner. — Recherches sur la tem- 
perature du Lac de Thoune. Mem. Soc. Phys. et Hist. nat. Geneve, 
xii (1849), pp. 255-276, where the name is printed Fischer-Foster; Bibl. 
Univ. Arch. Sci., xii (1849), pp. 20-39; f Annuaire meteor, de France, 
1850, pp. 268-274. 
