180 



MKKI-TK' V.\i;iATI>X. 



[PART i. 



*15S. 'l',i'n y/,///-.s' of supernumerary mamma- below the normal ones, 

 hi; MORTILLET, Hull. Sue. d'Aiithrop., 1S83, Ser. 3, vi. p. 4:>S. An 



FIG. HI. S.M]" Miimi>'i;iry mamma; in the male, symmetrical and asymmetrical. 



(Aft'T I.l.K II I l-Nsri I.'. .1 



important case of a man having two pairs of supernumerary 

 mamma' ,,n tin- mammary lines. There was a gradual diminution 

 in si/r from the highest to the lowest, the latter being a little 

 above thr level of thr umbilicus. Each pair was at the same level. 



/'(//// jtiiirs of superiiumrrarv nipples (ten in all) are recorded 

 only in NI.I GEBAUER's patient, already mentioned. Three of the 

 siipernumerarv pairs \vrrr above the normal ones, and the other 

 pair brlow thrin. As srrn in Fig. ^!) the nipples of each pair did 

 not stand in the case of each pair at precisely the same levels, and 

 between those of the lowest pair there was a considerable differ- 

 ence of level, thai on the left side being at some distance below 

 the normal breast, \\hile that on the right side- was on its lower 

 border. 



In a fe\v cases the suprrnumrrary nipple js described as having 

 perpendicularly below thr normal one. and it is likelv that 

 such cases must be looked mi as exceptions to the general rule 

 that the mamiiian lines converge posteriorlv; but it is not impos- 

 sible that even in son f them the supernumerarv nipple might 



ha\e been found to be rather nraivr the middle line if this point 

 had been specially inquired into. 



The foivgoing examples are given as selected illustrations of 

 thr several facts, and for full lists ,,f cases the reader is referred to 

 I he \\ orks alreadv ineiit ioned. 







100. ( >t' supernumerary maimn;r placed in parts of the body other than 

 tin- mammary line sum,, mention must be made, though those of them 



