CONTENTS. 



SESSION ex. 



Opening Address, by Prof. Duns, D.D,, ..... 1 



Additional Notes on the Invertebrate Fauna of Lamlash Bay, by W. A, 



Herdman, Esq., D.Sc. [Plate I.], . . . . .17 



Early Chapters in the History of the Squirrel in Great Britain, Part II., by 



J. A. Harvie-Brown, Esq., F.Z.S., etc., . . . .31 



On Saxicola deserti (Hupp. ), the Desert Chat, and its Appearance for ^the 



first time in Great Britain, by John J. Dalgleish, Esq., . . 64 



The Invertebrate Fauna of the Firth of Forth, Part I., by Messrs Leslie and 



Herdman, ........ 68 



Additional Notes on the Algse of the Firth of Forth, by G. W. Traill, Esq., 96 



On the Structure of Lepidodendron selaglnoides (Sternberg), from the Coal 



Measures, Halifax, Yorkshire, by P. Kidston, Esq. [Plates II. and 11a.], 97 



Notes on the Post-Tertiary Deposits of Elie and Largo Bay, Fife, by R. 



Etheridge, jun., Esq., . . . . . . ,105 



On some Spiders from Newfoundland, by Rev. 0. P. Cambridge, M.A. 



[Plate IIL], 112 



Late Chapters in the History of the Squirrel in Great Britain, Part III., with 



a Map, by J. A. Harvie-Brown, Esq., F.Z.S., etc. [Plate IV.], . 11.5 



On the Presence of the Scattered Skeletal Remains of Holothuroidea, in the 



Carboniferous Limestone Series of Scotland, by R. Etheridge, jun., 



Esq. [Plates V. and VL], . . . . . 183 



Migration of Mammals, by Prof. Duns, D.D., . , . .198 



The Invertebrate Fauna of the Firth of Forth, Part II. , by Messrs Leslie and 



Herdman, ........ 201 



Notes on a Collection of Birds and Eggs from Central Uruguay, by John J. 



Dalgleish, Esq. [Plates VII. and VIII.], .... 232 



On the •* Olfactory Tubercle "as a Specific Character in Simple Ascidians, 



by W. A. Herdman, Esq., D.Sc, ..... 254 



The Invertebrate Fauna of the Firth of Forth, Part III., by Messrs Leslie and 



Herdman, ••...... 268 



The Glaciation of Caithness, by Messrs Peach and Horne, . . .316 



On the Preparation and Preservation of Frozen Anatomical Sections, by J. 



Symington, Esq., M.B., F.R.C.S.E., ..... 353 

 Notes of a Journey to Mexico in 1879-80, by P. Geddes, Esq., F.R.S.E., . 356 

 On tlie Morphology of the Cell, by P. Geddks, Esq., P.P. S.E., . . 357 



