go EVOLUTION AND DISEASE. 
must regard the pinnz as having slowly atrophied from 
disuse, but persisting as remnants in a few adult forms, 
and present only in the embryos of others. The per- 
sistence of the pinna in the O¢arid@, and the frequent 
presence of cervical auricles in goats are difficult to 
account for, especially as we are unable to assign to 
them any function. 
The consideration of cervical auricles would be in- 
complete without reference to their existence on the 
FG. 47.—The head of a Satyr (A‘gipan) with a 
sessile cervical auricle. (British Museum.) 
statues of fauns and satyrs. My talented friend, Mr. S. 
G. Shattock, first drew my attention to this matter. 
They are not always represented of the same shape or 
size, but nearly always occupy the same situation on the 
neck : thus in the statue of an zgipan (satyrs with goat- 
like legs) in the British Museum, the auricles are sessile 
(fig. 47). This is the common form in man. 
These appendages are not seen on the statues of 
