XI 



by Thomas Clark, Esq., 1136; Trichomanes speciosum in Iieland, by Edward 

 Newman, 1136; Thymus Serpyllum, and T. Chamaedrys, by George Jorden, 

 Esq., 1142; Trifolium resupinatum in Cheshire, by John G. Baker, Esq., 

 1143; Trifolium agrarium in Hertfordshire, by John G. Baker, Esq., 1144; 

 bifid and trifid ferns, by T. W. Gissing, Esq., 1144 ; Udora Canadensis, and 

 Potauiogeton trichoides in Norfolk, by Kirby Trimmer, Esq., 1 144. 



Bbixish Association for the Advancement of Science. 



Sulphide of calcium as a remedy for the grape disease, by Dr. Asiley P. Price, 

 1104; effects of sulphate of lime upon vegetable substances, by Chevalier 

 Claussen, 1105; on the utricular structure of endochrome in a species of 

 Conferva, by Prof. Allman, 1107; on the Diatomaceae fouud in the vicinity of 

 Hull, by J. D. Sollitt, Esq., 1107; report of the gases evolved in steeping 

 flax, and on the composition and economy of the flax plant, by Prof. Hodges, 

 1145; on preserving the balance between vegetable and animal organisms in 

 sea water, by Robert Warington, Esq., 1145 ; on a method of accelerating the 

 germination of seeds, by R. Hunt, Esq., 1146; report on the vitality of seeds, 

 by the late H. E. Strickland, Esq., 1 146. 



Phytological Club, of the Pharmaceutical Society. 



Its object and foundation, 913; effects of ammonia upon vegetation, being a trans- 

 lation of a paper by M. Ville, published in the ' Comptes Rendus,' 914 ; Asple- 

 plenium viride at Danny, by R. Reynolds, Esq., 946; Tillandsia usneoides as 

 a substitute for horse-hair, 947 ; Worcester branch of the Club, 975 ; uses of 

 ferns, by Edward Newman, 976 ; ergotism of grasses, by Mr. Blylh, 977 ; sub- 

 stitute for tea, 977 ; medicinal Lobelia from Peru, by Mr. Penney, 978 ; re- 

 searches on the structure of galls, being a translation of a paper by M. de 

 Lacaze Duthiers, in the 'Comptes Rendus,' 1008; observations on Udora 

 Canadensis, by Robert Bentlev, Esq., 1029; on Portland arrow-root, by T. 

 B. Groves, Esq., 1030. 



Royal Physical Society of Edinburgh. 



On Bothrodendron, Ulodendron, Stigmaria, &c., and restoration of Sphenopteris 

 elegans, by Hugh Miller, Esq., 1038 ; botanical expedition to Oregon, 1140; 



Worcestershire Naturalists' Field Clur. 

 Meeting in Wyre Forest, 1101. 



Malvern Naturalists' Club. 



Meeting at Knightsford Bridge, 1136. 



Imperial L.-C. Academy. 



Election of Fellows, 948, 1151. 



German Association for the Advancement of Science. 

 Report of Meeting, 1147. 



