Proteins of Cerebrospinal Fluids. 153 



2. A fixed caudad ileac diameter of o (complete obstruction) is 

 followed by a contraction of a mean duodenum of 14 c.c. to a mean 

 of 6.25 c.c. in five days. A similar result was noted after acute 

 gangrenous typhlitis and incomplete obstruction of the cephalad 

 colon. 



B. Colon. 



Six experiments have been performed on the colon. Incom- 

 plete obstruction of the extreme caudad colon for a mean of 10.75 

 days was followed by a dilatation of a cecum of a mean volume of 

 18 c.c. to a cecum of 29.5 c.c. 



92 (1024) 



Nephelometric study of the proteins of cerebro spinal fluids. 



I. Relation of Euglobulin, Total-Globulin and Total- 

 Protein to Wassermann Reaction. 



By J. A. F. Pfeiffer, Philip Adolph Kober and 

 Cyrus W. Field. 



[From the Government Hospital for the Insane, Wash., D. C, the 

 Harriman Research Laboratory, Roosevelt Hospital, N. Y. 

 City and the Pathological Laboratory, Bellevue 

 Hospital, N. Y. City.] 



Introduction. 



In syphilitic diseases of the nervous system the composition of 

 the cerebrospinal fluid has become of increasing importance. 

 On the exact chemical picture of the fluid, especially from a 

 quantitative standpoint nothing has been done. It is true, the 

 proteins and to some extent the phosphorus have been roughly 

 estimated and in some cases correlated to the Wassermann 

 reaction. 



For this deficiency of quantitative data the reason is found in 

 the lack of material; the present chemical methods used heretofore 

 having been too crude for the low concentration of substances in 

 the very small amounts of fluid. 



Since the development of nephelometry the quantitative 



