PROCEEDINGS OF SOCIETIES. 265 
tables were erected for the reception of the microscopes. As 
these galleries are not supplied with gas the whole of the 
microscopes were lighted with oil lamps, spirit not being 
allowed to be burned in the building. 
The following is an imperfect list of those who exhibited 
microscopes, but as those mentioned were known to have 
exhibited, it was thought better to publish their names: 
Beale, Dr. 1 Lankester, Dr. 2 
Lobb, Henry ll Blenkins . 2 
Lege . 2 Roberts . 3 
Carpenter, Dr. 2 Hogg 2 
Du Pasquier 1 Knight 2 
Furze 1 = Farmer 1 
Tomkins . 2 Williams 1 
Pavy, Dr. 1 = _ Hislop 1 
Varley 4 Walford . i 
Peel : 2  Mestayer 1 
Hopgood . 1 Garnham iL 
Millar, Dr. i. sShuter: a 
Deane ] Smith I 
Ladd, Dr. 3 eB ourr 1 
Roper 1 Penkit J) 
Mummery 2 | dicks, Dr. 1 
Hassall, Dr. dy i ope 1 
MAKERS AND OTHERS. 
Ross ? ; .16 Topping . 2 
Powell and Lealand . 12 Darker 4 
Smith and Beck . . 20 #£Society . 4 
Ladd A ; . l3 _ Pitehford 2 
Pillischer : : Protlieroe 2 
Baker . : . 20 Rainey , ee 
Salmon . 5 . 16 College of Surgeons and Mr. 
Horne and Thornthwaite 5 (¢ Quekett , . 14 
Amadio . ‘ . 4 Brodie : rel 
Field : j .12 Prendergast 1 
The number of microscopes really exhibited amounted to 
about 300. 
It would be impossible here to enumerate either the forms 
of microscopes exhibited, or of the objects by which their 
powers were tested. It must suffice to say, that every form 
of instrument was present, from the cheap and efficient 
instruments of Messrs. Field and Son, of Birmingham; Baker, 
Salmon, and Ladd, of London; to the magnificently equipped 
instruments which are turned out from the establishments 
of Messrs. Powell and Lealand, Ross and Son, and Smith 
and Beck. Not only were there lenses of great power 
and accurate definition exhibited, but almost every possible 
