KONINKLIJKE AKADEMIE VAN WETENSCHAPPEN 
TE AMSTERDAM, 
PROCEEDINGS OF THE MEETING 
of Saturday December 30, 1899, 
me 
Translated from: Verslae van de gewone vergadering der Wis- en Natuurkundige 
fo) o ts) o c 
Afdeeling van Zaterdag 30 December 1899 Dl. VIII). 
Conrents: “The resorption of Fat and Soap in the large and the small Intestine”. By Dr. 
Il. J. HAMBURGER, p. 287. — “Some Observations concerning an Asymmetrical Change 
of the Spectral Lines of Iron, radiating in a Magnetic Field”. By Dr. P. Zeeman, 
p. 298. — “Borer’s formulae for divergent series”. By Prof. J. C. KLUYvEr, p. 302. — 
“The Entropy of Radiation”. By J. D. van DER Waars JR. (Communicated by Prof. 
J. D. van per Waats), p. 308. — “On some special cases of Monce’s Differential 
Equation” (Supplement). By Prof. W. KAPTEYN, p. 326. — “A new graphic System of 
Craniology”. By Dr. P. H. Eykman (Communicated by Prof. C. WinkLER) (with 4 
plates), p. 327. — “Pomus in Pomo”. By Miss T. Tammes (Communicated by Prof. 
J. W. Morr), p. 331. — “On the Theory of the Transition Cell of the third kind” 
(First part). By Dr. Ernst COHEN (Communicated by Prof, H. W. Bakuuis RoozeBoom), 
p. 334. — “On the Nitration of Dimethylaniline dissolved in Concentrated Sulphuric 
Acid”. By Dr. P. van Rompurcu (Communicated by Prof. A. P. N. FRANCHIMONT), 
p. 342. — “On the Formation of Indigo from Indigofera’s and from Marsdenia tinc- 
toria”. By Dr. P. van Rompcren (Communicated by Prof. A. P. N, FRANCHIMONT), 
p. 344. — “The Hatt-effect and the increase of resistance cf Bismuth in the Magnetic 
Field at very low Temperatures” I (continued). By Dr. E. van EVERDINGEN JR. 
(Communicated by Prof. H. KAMERLINGH ONNES), p. 348 (with one plate). 
The following papers were read: 
Physiology. — “The resorption of fat and soap in the large and 
the small intestine’. By Dr. H. J. HAMBURGER. 
(Read November 25, 1899.) 
Introduction. 
While investigating the distribution of fat in the bloodcorpuscles 
and plasma under the influence of respiratory gas exchanges, I tried 
some experiments which may be said to prove that the large in- 
testine probably possesses the power of resorbing fatty matter by 
21 
Proceedings Royal Acad. Amsterdam. Vol. II. 
