GROEN ER aNe es Ill 
BOLBOPORITES PANDER (Timorocidaris gen. nov. und.) Ueber einige palaeo- 
zoische Seeigelstacheln. 696. 
Botany. H. L. van DE SANDE BAKHUYZEN: “Photo-Srowth reaction and dis- 
position to light in Avena sativa.” 57. 
— H. W. BERINSOHN: “The Influence of Light on the Cell-increase in 
the Roots of Allium Cepa.” 457. 
BRAGG’s MODEL (On the rings of connectingelectrons in) of the 
diamonderystal. 536. 
BRAINSUBSTANCE (The adsorbent power of serum and) for Cocain. On Ad- 
sorption of Poisons by Constituents of the Animal Body. I. 831. 
BRAUN (Extension of the law of). 531. 
BRINKMAN (R.) and Miss E. vAN Dam. A method for the determination 
of the ion concentration in ultra filtrates and other protein free 
solutions. 762. 
Broek (A. J. P. vAN DEN). About the influence of radio-active 
elements on the development. 563. 
BrROEKE (Miss C. VAN DEN) and W. STORM VAN LEEUWEN. Experi- 
mental Influence on the Sensitivity of various animals and of Surviving 
Organs to Poisons. Part IJ. 913. 
Brouwer (H.A.). On the Crustal Movements in the region of the curving 
rows of Islands in the Eastern part of the East-Indian Archipelago. 772. 
BROUWER (L. E. J.) presents a paper of Dr. H. B. A. BOCKWINKEL: 
“On Mac Laurin’s Theorem in the Functional Calculus.” 2. 
— Remark on Multiple Integrals. 150. 
— presents a paper of Prof. J. Worrr: “Some applications of the 
quasi-uniform convergence on sequences of real and of holomorphic 
functions.” 417. 
— Ueber die Struktur der perfekten Punktmengen. 3te Mitteilung. 471. 
— presents a paper of Prof. B. von Kerékjarté: „Ueber Transformationen 
ebener Bereiche.” 475. 
— presents a paper of Prof. B. von Keréksart6: “Ueber die endlichen 
topologischen Gruppen der Kufgelfliche.” 568. 
— presents a paper of Prof. J. Worrr: “On the quasi-uniform con- 
vergence.” 650. 
— presents a paper of Prof. J. Wourr: “Series of analytical functions.” 656. 
— presents a paper of Dr. B. P. HAALMEIJER: “Note on linear homoge- 
neous sets of points.” 681. 
— presents a paper of Prof. A. SCHOENFLIES: “Zur Axiomatik der 
Mengenlehre.” 784. 
— Ueber eineindeutige, stetige Transformationen von Flichen in sich. 
6" Mitteilung. 811. 
— presents a paper of Prof. ARNAUD Denioy: “Sur les ensembles 
clairsemés.” 882. 
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