ILLUSTRATIONS. 



Plate I. 



Fig. 1. Dog V of experiment II at the 175th day. 

 2. Dog VI of experiment II at the 175th day. 



Plate II. 



Figs. 1 and 3. Dog A of experiment IV. 

 2 and 4. Dog B of experiment IV. 



Plate III. 



Figs. 1 and 3. Dog A of experiment IV. 

 2 and 4. Dog B of experiment IV. 



Plate IV. 



Fig. 1. Dogs used in experiment IV. 



2. Some of the bones of dogs A and B used in experiment IV. 



diagrams. 



1. Composition of dogs II to VI of experiments I and II. 



2. Percentage of water and solids in blood, brain, bones, and muscles of dogs V 



and VI of experiment II. 



3. Composition of bones in dogs V and VI of experiment II. 



chaets. 



1. Variation in weights of dogs I to IV of experiment I. 



2. Variation in weights of dogs V and VI of experiment II. 



3. Variation in weights of dogs VIII, XI, XII, and XIV of experiment III. 



4. Variation in weights and calories of dogs A to D of experiment IV. 



5. Showing weight and food of Maria Inocencio. 



6. Showing weight and food of Miguela Priega. 



51 



