X CONTENTS!^ 



Pagb 

 Owl, Hawk {Surnia funerea), Mr William Boyd on the, ... 236 



Owl, Snowy (Surnia nyctea), Dr Colquhoun and Dr Dewar on the, - 55 



Owl, Snowy, exhibited by Mr J. A. Harvie Brown, .... 202 



Oyster Fishery of Loch Ryan, etc., On the, by Dr John Grieve and Mr 



D. Robertson, ----26 



Pa^ztrws ^5r/fZraMx/i, Mr D. Robertson on, ...... 10 



Palaeontological discoveries in the Coal-fields of the West of Scotland, 



On recent, by Mr John Young, - - - . - - -117 

 Parrot, Owl (Strigops habroptilus), Mr Robert Gray on the, - . - 255 

 Peachia hastata, Mr T>. Robertson on, .--....69 

 Permanence of Species and the Limits of Variation, On the, by Dr 



Scouler, - ----77 



Petrel, Fork-tailed [Thalassklroma Icachii), Mr Robert Gray on the, - 228 

 Petrel, Storm (Thalassklroma pelayica), Mr Robert Gray on the, - - 48 

 Phalarope, Red-necked (Phalaroptis hyperboreus) , Mr Robert Gray on the, 42 

 Pheasant, Common, female of the, in male plumage, Mr Robert Gray on a, 166 

 Plants, British, On some facts in the Physical Geography of, and their 



Geological Inter2:)retation, by Mr John Shaw, - - - - 131 

 Plants, rare, in the West of Scotland, Mr James Ramsay on, - 91, 125 



PorceUklium fimhriatum of Glaus, On, by Mr D. Robertson, - - - 98 

 Post-tertiary Shells from a clay -bed at Inch Lonaig, Loch Lomond, 



exhibited by Mr A. M'Niven, cor. mem., . - - - - 238 



Poterwccras sp., Mr John Young on, - - 239 



Poteriocrinus crassus, Mr John Young on, ------ 111 



Powan (Coregonus lacepcdei), Mr A. M'Niven on, - - - - 48 



Prince Albert, Address to the Queen on the death of, - - - - 15 



Pteronitcs, sp., Mr John Young on, - - - - - - -145 



Purpura lapillus, Mr Robert Gray on, -.-..- IQO 



Raised Beaches at Irvine, On the, by Mr Adam Sutherland, - - 127 



Roedeer (Cervus caprcolus), On the History and Habits of the, by Mr E. 



R. Alston, -----------176 



Royal Great Crest {Megaloplius regius), Mr Robert Gray on the, - - 20 

 ^uS (Machetes pugnax), Mr TLohevt Gray on the, - - . - 184 



Sandpiper, Green (Totanus ochropus), Mr WiUiam Sinclair on the, - 237 



Scoter, Velvet (OiVZem?a/us«(), Mr Robert Gray on the, - - - 239 

 Sea Fowl, the mortality amongst, Mr D. Robertson on, - - - 2, 3, 4 

 Seal, Harp (Phoca groenlandka), Mr H. D. Graham on the, 51, 53 



Seaweeds in the Paisley Clay-beds, On the occurrence of, by Mr J. A. 



Mahony, - - - - - 199 



Shells showing Colour Markings, from the Carboniferous Limestone 

 strata of the West of Scotland, On the occurrence of, by Mr 

 John Young, ..-..--.-. 185 



Shrew, Oared {Soirx remifer), Mr E. R. Alston on the, - - - 70 



Silurian Brachipoda from near Girvan, Mr Robert Gray on, - - 124 



