[Illustration]




SCIENTIFIC AMERICAN SUPPLEMENT NO. 795




NEW YORK, March 28, 1891.

Scientific American Supplement. Vol. XXXI., No. 795.

Scientific American established 1845

Scientific American Supplement, $5 a year.

Scientific American and Supplement, $7 a year.


* * * * *

TABLE OF CONTENTS.


I. AVICULTURE.--The Effect on Fowls of Nitrogenous and Carbonaceous
Rations.--A very valuable report upon the effects of different
diet on chickens, with tables of data.--1 illustration