VESTIGIAL STRUCTURES. 



occur unassociated with fistulas, and are most common 

 in two situations in the 

 neck, at the spots 

 marked III and IV in 

 fig. 39. As a rule they 

 are symmetrical ; usually 

 they are short, often 

 looking like mere pim- 

 ples on the side of the 

 neck. In some cases 

 they may attain a 

 length of two or three 

 centimetres. A very 

 large one is repre- 

 sented as it grew 



FIG. 40. A Girl with a cervical ear or 

 auricle. 



from the side of a girl's 

 neck, in fig. 40, and in 

 a child, fig. 41. These 

 fistulae and cervical 

 auricles, or ears, as 

 they are called, usually 

 affect many members of 

 a family; the mother 

 may possess cervical auri- 

 cles, and one child have 

 a cervical fistula, whilst 

 a third may have fistulae 

 and auricles combined. 



The question natu- 

 rally suggests itself, if 

 these fistulae and auricles occur in man they should also 



FIG. 41. Child with cervical auricle 

 and a supernumerary tragus on 

 each side. 



