( 715 ) 



CONTENTS OF PARTS I. & II. 



Part I. Physical Geography— 







PAGE 



Introductory, 



641 



Configuration of tlie Natural Divisions, 



642 



Great Plateau, 



643 



Arran Basin, . 







643 



Bute Plateau, 







644 



Dunoon Basin, 







645 



Clyde Estuary, 







645 



River Clyde, . 







646 



Gareloch, 







646 



Loch Long, 







646 



Loch Goil, 







647 



Holy Loch, 







647 



Loch Strivan, 







648 



Kyles of Bute, 







648 



Loch Ridun, . 







648 



Loch Fyne, 







648 



Statistics of Physical Geography, 



650 



Table I. Drainage Areas and Watei 





Surface, 



651 



„ II. Volume anc 



Avera 



ye Dept 



hs, 652 



Tidal Conditions, . . . 652 



Rainfall and River Discharge, . . 654 



Table III. Mean Monthly Rainfall 



of Landward Portion, . 655 

 IV. Mean Monthly Rainfall 



of Seaward Portion, . 655 



„ V. Monthly Rainfall, Land- 

 ward Portion, 1886-88, 656 



„ VI. Monthly Rainfall, Sea- 

 ward Portion, 1886-88, 656 



„ VII. Mean Monthly Rainfall 



of Clyde Sea Area, . 657 



„ VIII. Volume of Total Rainfall 



of Clyde Sea Area, . 659 



„ IX. Volume of Monthly Rain- 

 fall of Clyde Sea Area, 660 



Temperature of the Air, . . . 660 



Table X. Mean Air Temperature, 



1866-85, . . 660 



„ XL Air Temperature, 1886, . 661 



„ XII. Air Temperature, 1887, . 662 



„ XIII. Air Temperature, 1888, . 663 



Part II. Salinity and Chemical Composition 

 of the Water. 



Collection of Samples and Use of Hydro- 



PAGE 



meter, .... 



664 



Surface Samples, 



664 



Samples beneath the Surface, 



664 



Mill's Self-Locking Water-Bottle, 



664 



Preservation of Samples, 



666 



Salinity and its Measurement, 



667 



Determination of Density, 



668 



Table XIV. Trustworthiness of 





Hydrometer, 



671 



„ XV. Variation in Hydro- 





meter Readings — I., 



672 



„ XVI. Variation in Hydro- 





meter Readings —II., 



672 



j, XVII. Summary of Hydro- 





meter Variations, . 



673 



Observers and Observing Stations, . 



674 



Results of Salinity Observations, . 



675 



Salinity Observations, 



675 



The Twelve Salinity Trips, . 



676 



Table XVIII. Average Density at 





each Station, 



677 



Salinity Trip of April 1886, 



677 



„ „ June „ 



678 



„ „ August 



679 



„ „ September „ 



680 



„ „ November „ 



680 



„ „ December „ 



681 



„ „ February 1887, 



682 



„ „ March „ 



682 



,, » May „ 



683 



„ „ June „ 



683 



» » July „ 



684 



„ „ September „ 



684 



General Result of Salinity Trips, 



685 



Table XIX. Surface Densities at 





each Station for each 





Trip, 



686 



„ XX. Bottom Densities at 





each Station for each 





Trip, 



687 



Salinity and Rainfall of Landward 





Portion, .... 



688 



