CONTENTS OF VOL. XIV. 



[SECOND SERIES.] 



NUMBER LXXIX. 



Page 



I. On the Genus Lycium. By John Miers, Esq., F.R.S., F.L.S. 



&c 1 



II. Additions and Corrections to the Arrangement of the Famihes 



of Bivalve Shells. By J. E. Gray, Ph.D., F.R.S., V.P.Z.S. &c. ... 21 



III. Supplement to a Catalogue of British Spiders, including re- 

 marks on their Structure, Functions, (Economy and Systematic Ar- 

 rangement. By John Blackwall, F.L.S 28 



IV. On the Mechanism of Aquatic Respiration and on the Struc- 

 ture of the Organs of Breathing in Invertebrate Animals. By Thomas 

 Williams, M.D. Lond. (With two Plates.) 34 



V. Notes on the Ornithology of Ceylon, collected during an eight 

 years' residence in the Island. By Edgar Leopold Layard, F.Z.S., 

 C.M.E.S. &c 57 



VI. On Manufactured Sea Water for the Aquarium. By P. H, 

 GossE, A.L.S - 65 



Proceedings of the Royal Society ; Zoological Society ; Royal Insti- 

 tution 67—74 



On the Formation of the Stomata in the Epidermis of the Leaves of 

 the Spiderwort ( Tradescantia virginica), and on the Evolution of 

 the Cells in their neighbourhood, by Dr. Garreau ; Description 

 of a new Genus of Bivalve Mollusca, by H. and A. Adams -, On 

 the Dimorphism of the Uredinece, by M. Tulasne; Meteorolo- 

 gical Observations and Table 75 — 80 



NUMBER LXXX. 



VII. Researches on the Development of Viviparous Aphides. By 

 Waldo I. Burnett, M.D., Boston 81 



VIII. On the true position of the Canahferous Structure in the 



