EXPLANATION OF PLATE XI. 



Fig. 1.— Liver of Callithrix personata (after a sketch by the late Mr. W. A. 

 Forbes), abdominal aspect : 



c caudate lobe, lc left central, ll left lateral, rc right central, rl right lateral, 

 SP spizelinm. 



Fig. 2.— Liver of Callithrix torquata, abdominal aspect. Lettering as in Fig. 1. 



Fig. 3.— Brain of „ „ lateral aspect. 



Fig. 4. — „ „ „ inferior aspect. 



Fig. 5. — „ „ „ mesial aspect. 



Lettering of Figs. 3—5 : a fissura prse-centralis, b sylvian fissure, c antero- 

 temporal, d supra-angular, e meso-parieto-occipital, f calcarine. 



