CONTENTS. 
Gary N. Calkins: Cell division and cell regeneration. 29 (554). 
H. W. Mayes : Iodine as a disinfectant in animal surgery. 30 (555). 
John F. Anderson and Wade H. Frost : The diagnosis of abortive cases of poliomyelitis by the 
demonstration of specific antibodies. 31 (556). 
Anna W. Williams: Pure cultures of parasitic amebas on brain streaked agar. 32 (557). 
R. A. Lambert and F. M. Hanes : A comparison of the growth of sarcoma and carcinoma cultivated 
in vitro. 33 (558). 
H. B. Williams : A respiratory calorimeter of the Atwater-Rosa-Ben edict type designed for use 
with dogs and children; with demonstration. 34 (559). 
H. B. Williams, J. A. Riche and Graham Lusk : The hourly chemical and energy transformations 
following the ingestion of different quantities of meat by a dog. 35 (560). 
John Howland : Chemical and energy transformations in sleeping infants. 36 (561). 
F. S. Meara and A. I. Ringer : Studies in human nephritis. 37 (562). 
H. M. Adler : A note on the nature of oxyphilic granulation. 38 ' (56 3) . 
I. S. Kleiner (by invitation): Concerning the elimination of glucose into the gastro intestinal canal. 
39 (564). 
J. S. Githens and S. J. Meltzer : On the control of strychnine poisoning in dogs by means of in- 
sufflation and chloroform. 40 (565). 
Jacob Rosenbloom and William J. Gies : A demonstration of osmotic pressure exerted by fat. 
41 (566). 
F. G. Goodridge and William J. Gies : Comparative dialysis experiments, with demonstrations. 
42 (567). 
William J. Gies : A demonstration of the diffusion of pigments from fat through rubber into fat. 
43 (56 8). 
W. Ophuls : Occurrence ot spontaneous lesions in kidneys and livers of rabbits and guinea pigs. 
44 (569). 
W. OputiLS: Spontaneous nephritis in wild rats. 45 (570). 
W. B. Cannon and D. de la Paz : The emotional production of adrenalin. 46 (571). 
Yandell Henderson and Frank P. Underbill: The production of glycosuria as a result of the 
intravenous injection of Wittes' peptone. 47 (572). 
W. J. MacNeal and Charles F. Briscoe: Tubercle bacilli in the faeces of cattle. 48 (573). 
T. H. Morgan: Modification of the Sex ratio by Hybridization. 49 (574). 
c ■ • 
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President — Thomas H. Morgan, Columbia University. 
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