IV CONTENTS. 



I'age 



IX. Characters of new Land Shells, collected by Edgar L. Layard, 

 Esq., in Ceylon. ByW. H. Benson, Esq 90 



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

 years' residence in the Island. By Edgar Leopold Layard, CCS. 97 



XL On the Rissoa rubra. By William Clark, Esq 107 



XII. Description of several new species of British Crustacea. By 

 William Thompson, Esq. (With a Plate.) 110 



XIII. On two new species of Calanidce, with Observations on the 

 Spermatic Tubes of Pontella, Diaptornus, &c. By John Lubbock, 

 Esq., F.Z.S. (With a Plate.) 116 



XIV. Notes on some new or little-known Marine Animals. By 

 P.H.GossE, A.L.S 124 



XV. On the Teeth of the Genus Mitra, Lamarck. By J. E. Gray, 

 Ph.D., F.R.S., V.P.Z.S. &e. 129 



New Books : — Systeme Silurien du Centre de la Boheme. l^'^ partie, 

 Recherches Paleontologiques. Trdobites, par J. Barrande. — 

 Popular Physical Geology, by J. B. Juke.s F.R.S 130—135 



Proceedings of the Royal Institution ; Zoological Society 136 — 148 



Observations on the Breeding of the Nightingale in Captivity, by 

 ' H. Hanley ; Eucratea chelata, by WiUiam F. Templer; On a new 

 species of Bulimus, by Lovell Reeve, F.L.S. ; Johnstonella Catha- 

 rina, Gosse, by J. E. Gray, F.R.S. &c. ; On a new genus oi Ano- 

 miadce, by J. E. Gray, F.R.S. &c. ; Meteorological Obsen'ations 

 and Table 148—152 



NUMBER LXIX. 



XVI. Notes on some new or little-known Marine Animals. (No. 2.) 



By P. H. GossE, A.L.S. (With a Plate.) 153 



XVII. On two new species of Calanida, with Observations on the 

 Spermatic Tubes of Pontella, Diaptornus, &c. By John Lubbock, 

 Esq., F.Z.S. (With a Plate.) 159 



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

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

 CCS 165 



XIX. On the Head of the Genus Conns, Linn. By J. E. Gray, 

 Ph.D., F.R.S., V.P.Z.S. &c 176 



XX. On the Animal of Rotella, Lamk. By J. E. Gray, Ph.D., 

 F.R.S., V.P.Z.S. &c 179 



