The Origin and Destiny of Cholesterol in the Animal Organism. Part Ij.—The 
Excretion of Cholesterol by the Dog. By Charles Dorée, Lindley Student of 
the University of London, and J. A. Gardner, Lecturer on Physiological 
Chemistry, University of London. Communicated by Dr. A. D. Waller, F.R.S. 
Bacteria as Agents in the Oxidation of Amorphous Carbon. By M. C. Potter, 
M.A., F.L.S., Professor of Botany, Armstrong College, in the University of 
Mirnam.. Communicated by J. B.. Farmer, FRG... ....cccccecceecercesoncnenaqsencnees 
The Antagonistic Action of Calcium upon the Inhibitory Effect of Magnesium. 
By S. J. Meltzer and John Auer. Communicated by Professor E. H. Starling, 
PMT ete any ofolec viendo utocvareleewelcisesiciia calda dueuaaidcame svecijens Sassamnedacsessneuearreniacese 
Post-tetanic Tremor. (Supplementary Note.) By David Fraser Harris, M.D., 
MP MCINOMO GOIN)! socnsorastescccacswdsseeacuddecensecensasdtcavessurtsscacseavatiiesccsssnonersncense 
No. B 540.—June 23, 1908. 
The Glycogenic Changes in the Placenta and the Foetus of the Pregnant Rabbit: a 
Contribution to the Chemistry of Growth. By J. Lochhead, M.A., M.D., B.Sc. 
(Carnegie Scholar), and W. Cramer, Ph.D., D.Sc. (Lecturer on Physiological 
Chemistry, University of Edinburgh). Communicated by E. A. Schiifer, 
Pa em anes anreictinti SA satis sands jee ecfeie a hdc eadae co diee tie duet casts duaeate dacderegaauasgess 
On the Maturation of the Ovum in the Guinea-pig. By J. E. Salvin Moore, 
A.R.GS., F.L.8., Professor of Experimental and Pathological Cytology, 
Liverpool, and Miss F. Tozer, B.Sc. London. Communicated by J. Bretland 
IEP aIMNCIEMR SEU Nao CEH ACCS = A )incis visiaianis nab t,sieloaislewieie's av'utBaaedcigeeawaviek Nas dma ew cunesirnsninne use 
The Life-history of Vrypanosoma equiperdum. By J. E. Salvin Moore, Professor of 
Experimental and Pathological Cytology, University of Liverpool, and Anton 
Breinl, Director of the Runcorn Research Laboratories, Liverpool School of 
Tropical Medicine. Communicated by Sir Rubert Boyce, F.R.S. (Plates 8 
and 9) 
Pee eserovoeaseeersertereesoseeerectseoeensetasesaseet ese oesseosesseoeeevennaseeeteerasreesasseeeen?e 
The Alcoholic Ferment of Yeast-juice. Part III.—The Function of Phosphates in 
the Fermentation of Glucose by Yeast-juice. By Arthur Harden and William 
John Young (Biochemical Laboratory of the Lister Institate of Preventive 
iMedieme). Communicated by C. Jt Martin, F.R.S. .1....cccsasdentcccansoserceceesess 
Studies on Enzyme Action. XJ.—Hydrolysis of Raffinose by Acids and Enzymes. 
Eoeniatevarmstrons, HOR.S: and,W., H.-Glover, Phi Dii .ccciec.ccscts dustesnannnceres 
Studies on Enzyme Action. XII.—The Enzymes of Emulsin. By H. E. Arm- 
strong, F.R.S., BE. F. Armstrong, D.Sc., and E. Horton, B.Sc. ........0.csceeseeeeenee 
A Further Note on the Nutrition of the Early Embryo: with Special Reference to 
the Chick. By E. Emrys-Roberts, M.B., Ch.B. Victoria and Liverpool, Sub- 
curator of the Pathological Museum (Gynecological Section), University of 
Liverpool. Communicated by Professor C. 8S. Sherrington, F.R.S..........c008e8 : 
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