lOS 



SCIENCE. 



l>i. H. Vol. -.Al. Xo. 525. 



was found that when quantities of about 0.5 

 e.c. per kilo or even less were injected intra- 

 muscularly they at once caused (1) marked 

 increase of blood pressure, (2) dilation of the 

 pupil on the side from which the superior 

 ganglion had been removed and (3) general 

 prostration. When the same quantities of 

 adrenalin were injected suhcutaneously how- 

 ever, they were almost invariably without ap- 

 preciable effect in any of these connections, 

 or, when similar phenomena were produced, 

 they were much less marked and their onset 

 was greatly delayed. 



Similar differences in absorption velocity 

 and efficiency were shown in the cases of 

 curare, morphin and fluorescin. 



William J. Gies, 



Secretary. 



NORTH CAROLIXA SECTION OF THE AMERICAN 

 CHEMICAL SOCIETY. 



The regular fall meeting of the section was 

 held on December 3, 11 a.m., in the office of 

 the state chemist, Ealeigh, N. C, with pre- 

 siding officer, A. S. Wheeler, in the chair. 



Preceding the presentation of papers a 

 short business meeting was held and the fol- 

 lowing officers were elected for the ensuing 

 year : 



President— C. B. Williams, Raleigh, N. C. 

 Vice-president— J. E. Mills, Chapel Hill, N. C. 

 Secretary-treasurer — C. D. Harris, Raleigh, N. C. 

 Councilor— A. S. Wheeler, Chapel Hill, N. C. 

 Reporters — Chas. Walker, West Raleigh, N. C, 

 and E. V. Howell, Chapel Hill, N. C. 



The following papers were presented and 

 discussed : 



Some Prolilems in the Cellulose Field (presi- 

 dential address). A. S. Wheeler, Univer- 

 sity of North Carolina, Chapel Hill, N. C. 

 (Will be published by the section.) 



The Action of Metals on Various Aqueous 

 Solutions. G. McP. Smith, A. & M. Col- 

 lege, Raleigh, N. C. 



Molecular Attraction. J. E. Mills, Univer- 

 sity of North Carolina, Chapel Hill, N. C. 

 The article was a summary of work already 

 I)iiblished (Journal of Physical Chemistry, 

 June, 1904) and of work along the same line 



yet to be published. An equation was deduced 

 based upon the idea that the so-called cohesive 

 forces between the molecules of a liquid could 

 be entirely and quantitatively accounted for 

 on the supposition of an attractive force be- 

 tween the molecules, the force varying in- 

 versely as the square of the distance apart of 

 the molecules. The deduced equation was 

 tested by an examination of twenty-five liquids 

 over wide ranges of temperature and pressure. 

 The measurements used, were, for the most 

 part, those made by Drs. Eamsay and Young 

 and Dr. Young. The result undoubtedly 

 allows the conclusion to be drawn that the 

 intramolecular forces obey a law exactly 

 similar to the law of gravitation, i. e., the 

 attraction between the molecules of any licjuid 

 varies inversely as the square of the distance 

 apart of the molecules, does not vary with the 

 temperature and is a function of the number 

 of molecules (mass) considered. 



The results also point to the conclusion that 

 the so-called molecular association, as in the 

 case of water, is caused by this same molecular 

 attraction and not by another force such as 

 chemical affinity. 



On Crompton's Equation for the Heat of 

 Vaporization. J. E. Mills, University of 

 North Carolina, Chapel Hill, N. C. 

 An equat^DU proposed by Mr. Crompton 



(Proc. Chem. Soc, Vol. 17, 1901), 



L = '2RT loge djD 



(L is heat of vaporization, R is the constant 

 of the gas equation, PV = RT, T is the ab- 

 solute temperature, d and D are the densities 

 of liquid and vapor respectively) was ex- 

 amined. It was shown that the latent heats 

 so calculated were invariably and usually very 

 considerably too high at low temperatures 

 where the vapor pressure is small, but at high 

 pressures as the critical temperature of the 

 liquid is approached the results are in excel- 

 lent agreement with the true heats of vapor- 

 ization. Some important results following 

 from this equation were pointed out. The 

 article is to be published in the Jour. Phys. 

 Chem., December, 1904. 



