sp re aie i PROCEEDINGS OF SOCIETIES. 325 
both sides, and this crossing of lines might produce the dotted appear- 
ance, and might account for the scale tearing across as readily as 
lengthways, which was not the case with Lepidocyrtus, which tore 
unevenly. If anyone was fortunate enough to get a large scale of 
Lepidocyrtus bent over, he would see all along the edge even ridges of 
the lines in profile, ridges which could not be seen even if they were 
due to the dottings of the notes-of-exclamation markings, which it was 
known did not run in lines across the scale, but in undulations, like 
watered silk. 
A vote of thanks was then passed to Mr. McIntire for his paper. 
Mr. W. S. Kent described briefly the contents of a paper “Ona 
New Species of Sponge.” 
The thanks of the mecting were given to Mr. Kent. 
Mr. Hogg read a communication from the President, “ Note on 
Fluorescence versus Pseudo-dichroism.” 
The thanks of the meeting were given to the President. 
Mr. Slack stated the contents of a paper “ On an Optical Illusion 
Slide—Silica Films with Cracks.” He had placed a slide in the 
Society’s cabinet. 
The next meeting of the Society will take place on 14th December. 
Donations to the Library and Cabinet, November 9th, 1870 :— 
From 
Land and Water. Weekly ot Vleet ede edt a sent een HCiLor. 
Society of Arts Journal. Weekly Ae eis pact ne WSOataue 
Nature. Weekly... .. Bowne oe ce Jeet 
Journal of the Linnean Society, NG as |) So one Society. 
Quarterly Journal of the Geological Society .. Society. 
Report of the Microscopic Obj ects in Cholera Evacuations. 
By F. R. Lewis, M.B. .. Author. 
Fossil Sponge Spicules in the Greensand of Haldon and 
Blackdown. By Edward Parfitt .. W. Vicary, Esq. 
The Royal Society in the Nineteenth Century. By Dr.) AF riend, through W.W. 
A. B. Granville, F.R.A.S., &e. . Reeves. 
A Photograph of a Double- centered Valve of Aulaco-\ Dr. C. Johnstone, of 
discus Oreganus .. . Baltimore, U.S, 
Instructions for Collecting and "Preserving Subjects of 
Natural History. By E. Donoyon, F.L.S. 1805 .. Dr. Millar, 
Tractatus Quatuor Anotomici de Aure Humana. By 
J. F. Cassebohm. 1734 .. Shee» Sate OR Mallar: 
Descriptio Anatomica Oculi Humani. By H. A. Wris- ‘ 
boreal 7S0 A Atal Mase) Monse tme DLink eT tae 
A Compleat System of Opticks. ‘By Robert ae 
BEL.D: + % Vols. (7i38ie. .. Dr, Millar. 
Histoire Naturelle des Insectes Métamorphoses. Par 
Jean Goedaert. 3 Vols. 1700.. .. =. «. « Dr. Millar. 
One Slide of Hydrodictyon utriculatum .. .. .. .« W.W. Reeves. 
One Slide of Silica Film with Cracks wa § bs H, J. Slack, Esq. 
The following gentlemen were elected Fellows of the Society :— 
Dannel Allen, Esa. 
W. C. Puxty, Esq., F.G.S.E. 
Joseph Kaines, Esq. 
James William Groves, Esq. 
Water W. Rueves, 
Assist.-Secretary. 
Psi Cle 
