pat ie 
CONTENTS, 
SESSION -CXX. 
PAGE 
Opening Address, by Dr G. Stms WoopuHEap, F.R.S.E., Vice-President, 1 
Notes on the Petrels of Madeira and adjoining Seas, by J. J. DALGLEISH, ~ 
Esq., M.B.0.U., : ; ; : : : ; 27 
The Pearl Molluses of the Persian Gulf, by A. GALueTiy, of the 
Edinburgh Museum of Science and Art, : . : ; 30 
On the Biological Examination of Water and Milk with special reference 
to Typhoid Fever, by G. CARRINcTON Purvis, M.D., B.Sc. Edin., . 32. 
On the Climate of Strathpeffer Spa, by Fortescur Fox, M.D., . : 40 
On the Fructification of Sphenophyllum trichomatosum, Stur, from the 
- Yorkshire Coal Field, by Roperr Krpston, F.R.S.E., F.G.S. 
[Plate I.], : : ; . F ; ; 56 
On. the Pineal Eye of Lamna cornubica, or Porbeagle Shark, by G. 
CARRINGTON Purvis, M.D., B.Sc.Edin. [Plate II. ], : , 62 
_ Some Further Notes on the Summer Birds .of Shetland, by Haroxp: 
Rarsury, Esq., ; ; : ; 67 
The Land and Fresh-Water Crustacea of the District around Edinburgh, 
by Tuomas Scott, F.L.S., Naturalist to the Fishery Board for 
Scotland, F : : : : . 3 3 73 
~- Notes on a Collection of Echinoderms and Molluscan Shells from the 
Moray Firth District, by Tuomas Scort, F.L.S., Naturalist to the 
Fishery Board for Scotland, . ; ; : : i 81 
The Mammalian Fauna of the Edinburgh District, by WiLL14m Evans, 
F.R.S.E., ; ; - ; . ; : 85 
