obtained by infinitesimal iteration in its complex plane”. 603. 
[g br—effect (The magneto-optic) in ferromagnetic compounds and alloys. 835. 
COHNSTAMM (ph.). A short reply to Mr. van La All’s remarks. 534. 
— (Some remarks on Prof.) reply. 617. 
SOHNSTAMM (ph.) and J. Timmermans. On the influence of the pressure on the 
miscibility of two liquids. 235. 
— (Some remarks suggested by a paper by). 454. 
KOOEDEBS (s. h). Some brief remarks relating to the communication of Prof. C. 
E. A. WICHMANN: “On fen formations in the East-Indiau Archipelago”. 74. 
_ A brief contribution to the knowledge of endozoic seed distribution by b^rdsin 
Java, based on a collection made by Mr. Baethels on the Pangerango and near 
Batavia”. (Contribution to the knowledge of the Flora of Java. V). 108. 
_ Some remarks on the nomenclature and synonymy of Xylosma leprosipes Clos. 
X fragrans Decne and Flueggea serrata Miq.” (Contribution to the knowledge 
of the flora of Java. VI). 116. 
k o k T E W E e (D. j.) presents a paper of Dr. L. E. J. Brouwer: “Continuous one-One 
transformations of surfaces in themselves” 2nd Communication. 28b. 
_ presents a paper of Dr. P. BrandsEN : “On the stable positions of equilibrium 
of floating parallelepipeda”. 383. 
_ presents a paper of Mr. H. J. E. Beth : “The oscillations about a position ot 
equilibrium. where a simple liae« relation exists between tb. frequencies of tbe 
principal vibrations” 1st part. 619. 2nd part. 785. . 
- presents a paper of Dr. L. E. J. Baowau, “On eontmuons vector dmtrtbn,tons 
on surfaces” 2nd Communication. 716. ' 
_ presents a paper of Dr. L. E. J. Brouwer: “ On the structure of perfect sets 
and H. E. J. G. du Bois. The thermomagnetic properties of 
elements. 596. . 
KRAMER (e.) and A. P. N. Franchimont. On derivatives of Piperazine. 45 1. 
K B u t T (n. a.). Tbe equilibrinm solid-liqui*-g»s in binary systems wbieb present 
„ r 7™ (T^e ^rr^nb .be respiration of tbe higher ph*. »». 
a a a il j * van) On the solid state. 1L 26. III. 120. IV. 138. 
- Some remarks suggested by a paper by Messrs Tmme.haxs end Kohnstrim. 4.4. 
- Some remarks on Prof. Koukstamu’s reply. 617. 
T . , R » 8 remarks (A short reply to Mr.). 534. 
I. e k a e © (P.), H. Kameelingh Onnes and W. E. Pauu. The behaviour o e 
les of the alkaline earths at va 
cularly at very low temperatures. 157. 
1,1 EBERT (I.). The decomposition of uric acid by bacteria. 54. 
t tnalool (On the action of active copper on). 164. . 
likerb UEIRTIOH (The oscillations about a position of eqntbbnnm where a simple, 
exists between tbe frequencies of the principal vibrations. 1st part. 619.2» part 735 
