TRANSACTIONS

OF THE

ABERDEEN PHILOSOPHICAL SOCIETY

VOL. II.

A S 122 .A13

TRANSACTIONS

OF THE

ABERDEEN PHILOSOPHICAL SOCIETY

VOL. II.

INCLUDING RESUME OF THE WORK OF THE

SOCIETY FROM 1840 TO 1892.

1994

ABERDEEN:

PRINTED FOR THE SOCIETY.

1892.

NOTE.

The Papers in this Volume have been revised by their respective

authors.

The Volume has been compiled and edited by the Secretary.

CONTENTS.

Page.

Introductory Paper on the History and Public Work of the

Titles of Papers read before the Society since 1840, with Contribu-
tors' Names; Members and Office-Bearers elected in each

year; Excursions, Conversaziones, &c.

The Ventilation of Public Schools

Reports on Same-

xix.

1

The Origin and Geological Associations of the Bass of Inverurie

(with Map)

Rev. JOHN DAVIDSON, D.D.

42

The Vitrified Fort upon the Tap o' Noth (with Plan)

Historical Notes on an Ancient Aberdeen Craft, "The Pynours"

JOHN BULLOCH 60

The Art of Describing Books and some of its Difficulties