IV CONTENTS. 



Page 

 On the Saliva of Dolimn galea, by Prof. Troschel ; Note on the Oc- 

 currence of the Harvest Mouse in Cornwall, by C. W. Peach ; 

 A Notice of the Baradla Cavern, near Agtelek, in Hungary, by 

 Dr. Schmidl ; On the Australian Dugong (Halicore australis), by 

 Mr. Fairholme 75 — 80 



NUMBER CXVI. 



Vni. Hec^ocofy?MS-formation in Argonaiita and Tremoctopus ex- 

 plained by Observations on similar Formations in the Cephalopoda in 

 general. By Professor Japetus Steenstrup. (With two Plates.) 81 



IX. On the Occurrence of the genus Cryptoceras in Silurian Rocks. 

 By E. J. Chapman, Professor of Mineralogy andGeology in University 

 College, Toronto 114 



X. List of Coleoptera received from Old Calabar, on the West 

 Coast of Africa. By Andrew Murray, Edinburgh 117 



XI. Notes on the Indian species of Lycium. By T. Anderson, 

 Esq., M.D., Oude Contingent 126 



XII. On the Development of Purpura. Bv Wm. B. Carpenter, 

 M.D., F.R.S., F.G.S., F.L.S ". 127 



XIII. Observations on the Larvae of the Trematode Worms. By 



Dr. P. DE FiLippi 129 



XIV. Observations on the Development of the Star-fishes. By 



J. KoREN and D. C. Danielssen 132 



New Books : — System der Oruithologie West Afrika's von Dr.G.Hart- 

 laub. — Popular History of the Aquarium of Marine and Freshwater 

 Animals and Plants, by George Brettingham Sowerby, F.L.S. — 

 A Popular History of British Crustacea; comprising a Familiar 

 Account of their Classification and Habits; by Adam White, 

 Assistant, Zoological Department, British Museum 136 — 141 



Proceedings of the Royal Society; Botanical Society of Edinburgh. 141 — 154 



On the Causes of the Opening and Closing of Stomates, by Hugo von 

 Mohl ; Descriptions of new Norwegian Annelidts, by M. Sars; 

 On Gladiolus imbricatus, Linn. ; Notes on some new and rare 

 Diatomacepc from the Stomachs of Ascidiae, l)y ]\Ir. George Nor- 

 man; On the Vascular System oiAnodonta,hy Prof.Langer. 154 — 160 



NUMBER CXVII. 



XV. Researches on the mode in which Gura-Tragacanth is formed. 

 By Hugo von Mohl 161 



