54 



JOURNAL OF THE 



citrate solution of the specific gravity 1.09. 50 c.c. of this was 

 taken, a closely stoppered Hask was used and tlie digestion lasted 30 

 minutes. 



1st, One gram witli neutral solution at 40° e. 



2d, One gram with neutral solution at 65° c. 



3d, One gram with ammoniacal solution at 65° c. 



4th, One gram with acid solution at 65° c. 



The specimens taken were : 



1st, A light colored sandy friable phosphate from North Carolina. 



2d, A liglit colored sandy friable phospliate from South Carolina 

 (land rock.) 



3d, A compact hard grey friable phosphate from North Carolina. 



4th, South Carolina river rock (Gladding's results quoted). 



The analyses were carried out in the ordinary way (precipitation 

 with ammonium molybdate and then with magnesia mixture, &e.). 

 The results are given in percentages of P2O5. 



Chemical Laboratory U. N. C, May, 1884. 



COTTON-SEED ANALYSES. 



E. A. DeSCHWEINITZ. 



The interest attaching to the variation in the percentage of fats 

 yielded by different varieties of cotton-seed, has led to the analysis 

 of several American and foreign seeds, with results as tabulated. 



Table I gives a food stuff analysis of the kernel, and table II the 

 value of the raw seed as to its ash, and possible yield of fats. 



In all cases the fats were extracted with ether, the proteins calcu- 



