DAMALIS. 
173 
ous nucleus or case a considerable cavity, commu- 
nicating (in all the species we have been able to 
examine), externally by a sinus, which passes un- 
der the horny substance, nearly opposite the root 
of the ear.”* With one exception they inhabit 
Africa. 
The Damalis, as a genus, or his Acronoiine 
group. Major Smith has divided into subgenera, the 
first of which will be represented by 
Major Smith, iv. p. 345. 
