LTNNEAN SOCIETY OF LONDON. Ixxxix 



Dr. Trimen, F.L.S., exhibited living plants of a new British 

 Lemna (L. arrhiza, W.) gathered by him in a pond at Staines. 



The foUowing Papers were read, viz. : — 



1. " Sertum Angolense;" by Frederick "Welwitsch, M.D., 

 F.L.S. (See ' Transactions,' vol. xxvi.) 



2. " On Cortical Cuneate Eays, and their origin;" by Greorge 

 Sigerson, M.D., F.L.S. 



3. " Note on the presence of four Cotyledons in a Sycamore ;" 

 by the same. 



4. " Eemarks on the formation of the Eoot»socket of Lodoicect 

 SeycJiellarmn ;" by the same. 



5. " Observations on Dr. Lindsay^s Note on Arthonia mela- 

 spermella]'' by "William Ny lander, M.D. Translated and com- 

 municated by the Eev. W. A. Leighton, B.A., F.L.S. (See ' Bo- 

 tanical Proceedings,' vol. ix.) 



6. " Hypochlorite of Lime and Hydrate of Potash, two new 

 criteria in the study of Lichens ;" by the same. (See ' Botanical 

 Proceedings,' vol. ix.) 



7. " Notes on some of the smaller Crustaceans. — 1. On the 

 Habits of the Hyperiidce -^ by Thomas Edward, A.L.S. (See 

 * Zoological Proceedings,' vol. ix.) 



8. " On the Lingual Bands of the West-Indian Gasteropods ;" 

 by J. L. Gruppy, Esq., and Jabez Hogg, Esq., E.L.S. 



9. " On the Longicornia of Australia, with a List of all the de- 

 scribed Species, &c. ;" by Francis P. Pascoe, Esq., F.L.S., F.Z.S., 

 and late Pres. Ent. Soc. (See ' Zoological Proceedings,' vol. ix.) 



LINN. PBGC. — Session 1865-66. 



