TABLE OF CONTENTS Ni 
IX. Electric Screening in Vacuum Tubes. (Illustrated.) By 
J. C. McoLEnNAN, B.A., Ph.D............ ..........,.... 85 
X. A Universal Measuring Apparatus. (Illustrated.) By W. 
Lasu Miter, B.A. Ph.D. and F. B. Kenrick, B.A., 
PDT RE IRON Seaebin dele see so de 97 
SECTION IV. 
GEOLOGICAL AND BIOLOGICAL SCIENCES. 
I. Some Recent Work in Economic Entomology. By Rev. C. J. 
S. Beroune, M.A., DCD... .cc secu cence nsenereseonanees 3 
II. Sponges from the Coasts of Northeastern Canada .and Green- 
land. (Illustrated.) By Lawrence M. Lass, F.G.S. 19 
III. Notes on the North American Species of Dadoxylon, with 
Special Reference to Type Material in the Collections 
of the Peter Redpath Museum, McGill University. 
(Illustrated.) By Professor D. P. PENHALLOW...... 51 
IV. The Physical Features and Geology of the Palæozoic Basin 
between the Lower Ottawa and St. Lawrence Rivers. 
By RW. Hous, DD. NU een neon 99 
V. The Cerebral Neurons in relation to Memory and Électricity. 
By Sir JAMES GRANT, K.C.M.G............ .............. 121 
VI. On the Geology of the principal Cities in Eastern Canada. 
(With large tables.) By Henry M. Am, MA, 
DS HGS) ci eaten ace at satin was ee need = sem cele 125 
VII. Modifications remarquables causées à l'Embouchure de la 
Rivière Ste-Anne par l'Eboulement de St-Alban. Par 
Mgr. J.-C.-K. LAFLAMME............................e.s 175 
VIII. Æboulement à Saint-Luc-de- Vincennes, Rivière Champlain, le 
21 septembre, 1895. (Illustrated.) Par Mgr. J.-C.- 
I GAB TAMMIE... eee. coaaescamgepeiese-se ut cassera ere 179 
IX. Synopsis of the Geology of Canada. (Being a summary of 
the principal terms employed in Canadian Geological 
Nomenclature.) By Henry M. Am, MA. D.Sc., 
CS ME et Dates mises 187 
LIST OF ILLUSTRATIONS. 
PROCEEDINGS. 
PO AOL SALW Ide DANONE RE. Re esse. XVII 
Ponant AD RQéar. sn eng -2e. dti és XXI 
