LINNEAN SOCIETY OF LONDON. ly 
3. “Notes on Coutoubea volubilis, Mart., and some other Gen- 
tianee of Tropical America ;” by Dr. R. H. Grisebach, F.M.L.S. 
(See ‘ Botanical Proceedings,’ vol. vi.) 
November 21st, 1861. 
George Bentham, Esq., President, in the Chair. 
Edward Clapton, M.D., was elected a Fellow. 
Mr. Hanbury, F.L.S., exhibited specimens of the resinous wood 
of Aquilaria Agallocha, Roxb., a substance interesting as being 
the Aloes or Lign. Aloes of the Bible ; and made some observa- 
tions upon its production in Sylhet, Assam, and Cochin China. 
Dr. Cobbold, F.L.S., made some observations, illustrated by 
sketches, on the mode of reproduction of Gyrodactylus elegans, 
a parasite upon the common Stickleback, and found abundantly 
by him in the Serpentine. 
The following Papers were read, viz. :— 
1. “On the Two Forms, or Dimorphic Condition, in the Species 
of Primula; and on their remarkable Sexual Relations ;’” by 
Charles Darwin, Esq., M.A., F.R.S., L.8., &. (See ‘ Botanical 
Proceedings,’ vol. vi.) 
2. “ Contributions to an Insect-Fauna of the Amazon Valley. 
—Lepidoptera Heliconina;’ by Henry Walter Bates, Esq. Com- 
municated by the Secretary. (See Abstract in ‘ Zoological Pro- 
ceedings,’ vol. vi.) 
December 5th, 1861. 
George Bentham, Esq., President, in the Chair. 
Francis Ablett Jesse, Esq., and Charles John Leaf, Esq., were 
elected Fellows. 
e2 
