111 . 
CONTENTS. 
List of Officers 
Page 
iv. 
Correspondence relating to the foundation of the Society . . 
’ V. 
Rules .... 
. . 
ix. 
Proceedings 
. . 
XV. 
List of Members 
. . 
XXV. 
Obituary : Mr. Richard Helms 
. . 
xxix 
List of Societies and Institutions whose 
received . . 
publications have been 
xxx. 
Papers printed in full — 
The Approximate Summation of Series in which each Term is a 
function of the Corresponding Term of an Arithmetical 
Progression, by M. A. Browne, B.A. . . . . . . 1 
On a Stomatopod new to Australia, with a list of the Western 
Australian Species of the Order, by W. B. Alexander, 
M.A. 8 
Further Notes on Western Australian Stomatopods, by W. B. 
Alexander, M.A. . . . . . . . . . . . . 9 
Marine Biology in Western Australia ; being the Anniversary 
Address of the President for the Session 1913-1914, by 
Prof. W. J. Dakin, D.Sc. .. .. . . .. .. 11 
The Tides, with special reference to those of Fremantle and 
Port Hedland, by H. B. Curlewis, B.A 28 
Natrojarosite from Kundip, Phillips River Goldfield, by E. S. 
Simpson, B.E., B.Sc., and M. A. Browne, B.A. . . . . 45 
The Natives of Sunday Island, King Sound, by W. D. Campbell, 
A K C ..... 55 
The History of Zoology in Western Australia, Part II., 179 1-1829, 
by W. B. Alexander, M.A. . . . . . . . . 83 
Note on the Birds met with on the Swan River by Vlamingh 
in 1697, by W. B. Alexander, M.A 150 
A Preliminary Index of the Mollusca of Western Australia, by 
C. Hedley . . . . . . . . . . . . . . 152 
The Philosophy of Vitalism in Modern Biology ; being the 
Anniversary Address of the President for the Session 
1914-1915, by Prof. W. J. Dakin, D.Sc... .. .. 227 
Index . . . . . . . . . . . . . . . . . . 246 
ILLUSTRATIONS. 
Plate I. — -Map showing the position of Sunday Island, Kimberley Division. 
„ II. — Sunday Islander “ Cockroach.” • Front view. 
,, III. — Sunday Islander “ Cockroach.” * Back view. 
„ IV. — Sunday Islander “ Cockroach.” ■ Side face. 
„ V. — Head dresses and Ornament — - 
A. — Novitiates head-dress “ Joodow.” 
B. — -Initiates head-dress 44 Jualul.” 
C. — -Head Ornament. 
„ VI. — -Ornamented Pearl Shells, Figs. 1-4. Fish, War, and ordinary 
Kylies. 
