68 phoceedinos of the 



November 21st, 1889. 



William Caeruthees, F.U.S., President, in the Chair. 



Tlie Minutes of the last Meeting were read and confirmed. 



Col. James Henry Bowker was elected a Fellow. 



Prof. P. Martin Duncan exliibitcd, and made remarks on, a 

 stem of Hyulonema Hiehohlii dredged between Aden and Bombay, 

 a remarkable position, inasmuch as tlie Glass-sponge had not 

 previously been met witii in any w'aters west of the Indian Pen- 

 insula. Prof. Stewart made some further observations, and re- 

 ferred to a parasite on the sponge which bad been found to be 

 identical with one from the Japanese seas. 



^Ir. James Groves exhibited, and gave some account of, anew 

 British Chara, Nitella batrachosperma, which had been collected 

 in the Island of Harris, Outer Hebrides. 



Mr. Thomas Christy exhibited specimens of the bark of Quil- 

 laria saponarin, from Chili, which has the property of producing 

 a lather, and is extensively used for washing silk and wool. It 

 had been lately discovered that it would solidify hydrocarbon oils 

 and benzoline, and thus ensure their safe transport on long 

 voyages, a small quantity of citric acid being all that is required 

 to render the oils again liquid. 



The Eev. Augustus Walker exhibited, and made remarks on, 

 a collection of Plants from Iceland. (See Remarks by Mr. Arthur 

 Bennett, p. loi.) 



The following papers were read : — 



1. " The External Anatomical Characters indicating Sex in 

 Cbrysalids, and on the Development of the Azygos Oviduct and 

 its Accessory Organs in Vanessa lo^ By W. Hatchett Jackaon, 

 P.L.S. 



2. " The External Morphology of the Lepidopterous Pupa." — 

 Part I. By E. B. Poulton, F.L.S. 



3. " On a Collection of Lepidoptera from the neighbourhood 

 of Ichaug, Central China." By John H. Leech, F.L.S. 



December 5th, 1889. 



JoHK GiLBEET Bakeb, F.R S., Vice-President, in the Chair. 



The Minutes of the last Meeting were read and confirmed. 



The Eev. James Hunter Crawford, Major Alfred E. F. Dor- 

 ward, Samuel Alfred Moor, Esq., William Eome, Esq., John 

 Shirley, Esq., Henry L. Stonhnm, Esq., Clifford Winslow Turner, 



