IV CONTENTS. 



Page 

 Birds; On a species of African Ant, by Dr. L. ImhofF; On a> 

 New Muscle-element in the Thoracic Muscles of Insects, by 

 Dr. Burnett ; Desmarestia pinnatinervia, Mont., by the Rev. M. 

 J. Berkeley, M.A. ; On Oligoneuria rhenana, by Dr. L. Imhoff ; 

 Meteorological Observations and Table 72 — 80 



NUMBER LXXIV. 



VIII. Monograph of the British Graphidea. By the Rev. W. A. 

 Leighton, B.A., F.B.S.E. (With four Plates.) 81 



IX. Characters of a new European Pupa, and of a new Australian 

 Bulimus. By W. H. Benson, Esq 97 



X. A Catalogue of the Species of Ants found in Southern India. 

 By T. C. Jerdon, Esq., Assistant Surgeon, Madras Medical Esta- 

 blishment 100 



XI. Note on the Greenland and Iceland Falcons. By John Han- 

 cock, Esq 110 



XII. On the Structure of the Echinoderms. By Johannes 

 MlJLLEB 112 



XIII. 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 123 



XIV. 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 131 



XV. Catalogue of Reptiles collected in Ceylon. By E. F. Kelaart, 

 M.D., F.L.S. &c 137 



Proceedings of the Zoological Society 140 



Note on the Bird of Paradise {Paradisea apoda), by M. de Lafresnaye ; 

 New Observations on the Development of the Intestinal Worms, 

 by Prof. Van Beneden ; Further Observations on the Animal 

 Substance analogous to Vegetable Cellulose, by M. Virchow; 

 Meteorological Observations and Table 15 7 — 1 60 



NUMBER LXXV. 



XVI. Contributions to the Palaeontology of Gloucestershire: — A 

 description, with Figures, of some new species of Echinodermata 

 from the Lias and Oolites. By Thomas Wright, M.D. &c. (With 

 three Plates.) 161 



XVII. Descriptions of some newly discovered species of Araneidea. 



Bv John Blackwall, F.L.S 173 



