CONTENTS. V 



Page 



XX. On the Genus Lycium. By John Mieks, Esq., F.R.S., 

 F.L.S. &c 182 



XXI. Rejoinder to Professor Milne-Edwards and Mr. Bovverbank. 



By Professor Sedgwick 195 



XXII. Notice of a new species of Caulcrpa. By R. K. Gkeville, 

 LL.D. &c. (With a Plate.) 197 



New Books : — Geodephaga Britannica, by J. F. Dawson. — The Medals 

 of Creation, &c, by (the late) G. A. Mantell, F.R.S.— Genera 

 Plantarum Florae Germanicse iconibus et descriptionibus illus- 

 trata, Auctore R. Caspaiy. — The Microscope and its application 

 to Clinical Medicine, by Lionel Beale, M.B. — The Microscope ; 

 its History, Construction, and Applications, by Jabez Hogg, 

 M.R.C.S 198—205 



Proceedings of the Royal Society ; Zoological Society ; Botanical 



Society of Edinburgh ; Linnsean Society 205 — 234 



On the Development of Ccenurus cerebralis, by Prof. Van Beneden ; 

 On the Capture of Thecacera pennigera, by William Thompson ; 

 Note on Athyrium rhceticum, by S. O. Gray; On the occurrence 

 of Larvae of Sarcophaga in the Human Eye and Nose, by Dr. E. 

 Grube; Meteorological Observations and Table 234 — 240 



NUMBER LXXXII. 



XXIII. On the Mechanism of Aquatic Respiration and on the 

 Structure of the Organs of Breathing in Invertebrate Animals. By 

 Thomas Williams, M.D. Loud. (With three Plates.) 241 



XXIV. On the Remains of a gigantic Bird (Lithomis Emuinus) 

 from the London Clay of Sheppey. By J. S. Bowerbank, F.R.S. &c. 263 



XXV. Notes on the Ornithology of Ceylon, collected during an 

 eight years' residence in the Island. Bv Edgar Leopold Layard, 

 F.Z.S., C.M.E.S. &c .* 264 



XXVI. On the Fertilization of Ferns. By W. Hofmeister 2/2 



XXVII. Upon a new species of " Alpheus" discovered upon the 

 coast of " Herin " (Channel Islands). By W. V. Guise, Esq.. F.G.S. 275 



XXVIII. Descriptions of three new species of British Actinia. By 

 Philip II. Gosse, A.L.S 280 



Nino Books : — The Ferns of Great Britain. Illustrated by John E. 



Sowerby. The Descriptions, Synonyms, &c. by C. Johnson ... 284 



Proceedings of the Royal Society ; Zoological Society ; Linmcan 



Society ; Botanical Society of Edinburgh 285— 315 



