Chemistry and Physics. 141 
as well as into phthalimide. Further investigation showed that 
anthraquinone carefully purified from phthalic acid, heated with 
ic acid for six 
four parts of fuming sulphuri id f ours to 270°, gave 
Sa OH_., q {COOH S0,0H 
OH} Go CoH. +280, Jou=CsH. | COOH TCs} 8020H 
Ber. Berl. Chem. Ges., vii, 1106, Sept., 1874. 
8. Simple 
Sryer has identified the coloring matter which he had produced 
urine, is only a reduction derivative of the coloring matter of the 
lood, and that the biliary coloring matters bilirubin and biliver- 
tion of the blood-corpuscles under pathological conditions. — 
Berl. Chem. Ges., vii, 1065, Sept., 1874. G. F. B. 
.». Aspuraginic acid as a product of Pancreatic digestion — 
Since asparaginie acid has been proved to be a product of the 
natural ferments such as that of the pancreatic juice, produced 
a acid in their action upon blood-fibrin. Fresh blood- 
ret Was detected ; its identity being established by conversion 
Ch the copper salt and by elementary analysis. The la 
at, NO, requires 36 09, of carbon and 5°26 hydrogen. Analy- 
- Asimilar effect is produced, but in a less marked manner 
nd mass of air or membrane, has a higher pitch than the 
‘ 
