MK.MOIKS OF TIIH NATIONAL ACADKMV OF SCIENCF.S. 



(.) 



Thosf lateral <lfluiiniti.-s aiv not In l.r i.roCitably coiisiden'd uinler the head of phiKJocephaly 



a,s defined by r.nxa. Aeconliii;; to tliis author a certain depression of tlie frontal Iioiu one side 



a<rompanies a deiiression of the parietal ou the opposite side in the condition to which he apidies 

 this name. While in this collection there are some true i)laf,'iocephalic skulls, the majority hav- 

 ing the posterior lateral llattening have not the accomiKinying frontal tlatteninjj;. Hence they 

 have been all first studied together with regard to the posterior fiattening only. Of a skull thus 



JIv. 4.10.13..27.S9.30. 



^^4^TC.^-U-ei<^ »l/y^^ (L^KJ t^tCCK^ 



flattened on tiie left side wi' say it has left i)osterior flattening, although it may have right plag- 

 iocepiialy, and of a sUull tlms liatlened on the right side we say it has right posterior flattening, 

 although it may ha\e left plagiocephaly. In short we study this deformity first without regard to 

 plagioceplialy. 



