( 712 ) 

 PROCEEDINGS OF THE SOCIETY. 



Meeting of 8th June, 1881, at King's College, Strand, W.C, 

 The President (Professor P. Martin Duncan, F.R.S.) in the 

 Chair. 



The Minutes of the meeting of 11th May last were read and 

 confirmed, and were signed by the President. 



The List of Donations (exclusive of exchanges and reprints) 



received since the last meeting was submitted, and the thanks of the 



Society given to the donors. 



From 



Dissected Model of the Eye in papier-mache (by Auzoux), 

 arranged so as to be taken apart, and showing succes- 

 sively the Sclerotic and Choroid Coats, Cornea, Eetina, 

 Iris, Pupil, Crystalline Lens, Aqueous and Vitreous 

 Humours, Muscles, Nerves and Blood-vessels, coloured 

 as in the natural Eye Mr. Crisp. 



Three slides of Sponge Spicules The President. 



Three stained sections of diseased Uterus, and one of Whisker 



of Phoca harbata Dr. B. Wills Richardson, 



The President said the meeting would be glad to know that 

 Professor P. F. Eeinsch was present. His interesting work on the 

 vegetable forms found in the coal measures was upon the table, and 

 was well worthy of examination.* There would be of course some 

 dispute as to whether the specimens were all vegetable forms or not, 

 but the observations were in any case of considerable value. He called 

 on Professor Eeinsch for a few remarks. 



Professor Eeinsch briefly expressed his acknowledgments for the 

 reception given him, and made some remarks on the coal formations 

 at which he had more particularly been working. He had prepared 

 a collection of mounted specimens in verification of his results, one 

 of which he proposed to present to the Society. 



Dr. Millar having taken the Chair, 



The President gave a resume of his paper " On some Remarkable 

 Enlargements of the Axial Canals of Sponge Spicules, and their 

 Causes" (see p. 557), figures in illustration being drawn upon the 

 board. 



Dr. Millar said be had examined many specimens of sponge 

 spicules himself, but had never seen the peculiarities which had been 

 described. He should like to ask why, if the silica was dissolved at 

 that depth, it was attacked on the inside and not outside ? 



Mr. Deby said as regarded the dissolution of the silica he might 

 mention a circumstance which he thought bore upon the question. 

 Some time ago he had some diatoms from brackish water, consisting 



♦ See this Journal, iii. (1880) p. 836 ; and ante, p. 700. 



