328 Proceedings, &c., 1867. 
Dr. Barker suggested a deputation waiting on the Chief Secre- 
tary. 
After some discussion, it was agreed that a special meeting of 
Council should be convened at an early date to consider what steps 
had best be taken in the matter. 
(Signed) Rost. L. J. ELLery. 
9th December, 1867. 
ORDINARY MEETING. 
Monday, 9th December, 1867. 
The President, R. L. J. Ellery, Esq., in the chair. 
The President stated that in accordance with a desire expressed 
at the last meeting, he had written to Captain Wilkinson, of the 
Admiralty Survey, with respect to Captain Perry’s invention, 
especially as to whether it was considered a condition of safety, 
when two vessels were approaching each other, to keep a broad 
bearing on the bow, and whether these conditions of safety were 
generally known. He had not yet received an answer, but he had 
consulted several naval men of eminence, who looked upon the 
suggestion as a novel one. There was no doubt, however, that 
Captain Perry’s invention was of great value. 
The following contributions were announced:—Vols. VI. and 
VIL. “‘ Transactions of the Royal Society of London.” Parts 1 and 
2, Vol. XX., “Journal Statistical Society, London.” Nos. 18 and 
19 of the “ Anthropological Review,” ‘“ Catalogue of the Library 
of the Anthropological Society,” and “List of Fellows of the 
Society ;” Nos. 3 and 4 of the “ Bulletin de la Sociétié Im- 
periale des Naturalistes de Moscow.” No. 49, Vol. III., “ Transac- 
tions of the Geological Society, Darmstadt.” 
Mr. O’Neil, of the late firm of Batcheldor and O’Neil, photo- 
graphers, exhibited some very fine specimens of photographic art, 
representing scenery in San Francisco, the Wellingtonia Gigantea, 
and Mountainous Scenery. 
Messrs. Blackburn and Zumstein were elected auditors to examine 
the accounts for 1867. 
The President read a paper “ On a New Self-Registering Elec- 
trometer,” illustrated with Diagrams. 
The President stated favourable opinions of the instrument had 
been received from Major-General Sabine, and the Director of the 
Kew Observatory. 
Mr. Newbery read his ‘‘ Report of Experiments with Mr. 
Dahlke’s Filter.” 
Professor M‘Coy corroborated the statement of Mr. Newbery, as 
he had witnessed many of the experiments. He inquired whether 
the filter possessed the property of dialysis, viz., of separating 
crystalline bodies from all others. 
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