KONINKLIJKE AKADEMIE VAN WETENSCHAPPEN 
TE AMSTERDAM. 
PROCEEDINGS 
VOLUME XXII 
Nes, 7 and 8. 
President: Prof. H. A. LORENTZ. 
Secretary: Prof. P. ZEEMAN. 
(Translated from: “Verslag van de gewone vergaderingen der Wis- en 
Natuurkundige Afdeeling,” Vols. XXVII and XXVIII). 
CONTENTS. 
JAN DE VRIES: “Quadratic involutions among the rays of space”, p. 634. 
JAN DE VRIES: “A Congruence of Conics”, p. 641. 
W. VAN DER WOUDE: “On a Quartic Curve of Genus Two in which an Infinity of Configurations 
” of DESARGUES can be Inscribed”. (Communicated by Prof. J. C. KLUYVER), p. 645. 
J. WOLFF: “On the quasi-uniform convergence”. (Communicated by Prof. L. E. J. BROUWER), p. 650. 
J. WOLFF: “Series of analytical functions”. (Communicated by Prof. L. E. J. BROUWER), p. 656. 
A. J. DEN HOLLANDER and F. E. VAN HAEFTEN: “On the Nitration-Products of p-Dichlor-Benzene”. 
(Communicated by Prof. A. F. HOLLEMAN), p. 661. 
EuG. DuBOIS: “The Quantitative Relations of the Nervous System Determined by the Mechanism 
of the Neurone”, p. 665. 
B. P. HAALMEIJER: “Note on linear homogeneous sets of points’. (Communicated by Prof. L. E. J. 
BROUWER), p. 681. 
J. A. SCHOUTEN and D. J. STRUIK: “On n-uple orthogonal systems of n—1-dimensional manifolds 
in a general manifold of n dimensions”. (Communicated by Prof. J. CARDINAAL), p. 684. 
J. WANNER: “Ueber einige palaeozoische Seeigelstacheln (Timorocidaris gen. nov. und Bolboporites 
Pander)” (Communicated by Prof. G. A. F. MOLENGRAAFF), p 696. (With one plaat). v 
A. DE KLEIJN and W. STORM VAN LEEUWEN: “Concerning Vestibular Eye-reflexes. II. The Genesis 
„of cold-water nystagmus in rabbits”. (Communicated by Prof. R. MAGNUS), p. 713. 
FERNAND MEUNIER: “Quelques insectes de l'Aquitanien DE ROTT, Sept-Monts (Prusse rhénane)”. 
(Communicated by Prof. K. MARTIN), p. 727. (With two plates). 
J. F. VAN BEMMELEN: “The wing-design of Chaerocampinae”, p. 738. 
A. A. HIJMANS VAN DEN BERGH and P. MULLER: “On Serum-lipochrome”. (First part), p. 748. 
P. VAN ROMBURGH: “The unsaturated alcohol of the essential oil of freshly fermented tea-leaves”, 
p. 758. 
R. BRINKMAN and Miss E. VAN DAM: “A method for the determination of the ion concentration in 
ultra filtrates and other protein free solutions”. (Communicated by Prof. H. J. HAMBURGER), 
p. 762. 
H. A. BROUWER: “On the Crustal Movements in the region of the curving rows of Islands in the 
Eastern part of the East-Indian Archipelago”. (Communicated by Prof. G, A. F. MOLENGRAAFF), 
p. 772. 
42 
Proceedings Royal Acad. Amsterdam. Vol. XXII. 
