HRDLicKA] PHYSIOLOGICAL AND MEDICAL OBSERVATIONS 125 



661. Mescalcro girl, 119.4 cm. lall (7 to 8 years old): In the place of th(! right upper 



median incisor and in front of the canine there is a not-fully-developed ({piito 



recently erupted) conical tooth (x); in'appearance this tooth i.s exactly like 



the supernumerary elements observed in corresponding locations in other 



examples. 

 676. Mescalero girl, 126 cm. tall (approximately 9 years old): A supernumerary, 



somewhat conical dental element (x) erupted about two months ago, ventrad 



to the median incisors and near the median line. 

 507. San Carlos girl, 133.4 cm. tall (approximately 10 years old): A supernumerary 



conical tooth (x) exactly between the upper median incisors. 

 738. San Carlos girl, 143.7 cm. tall (approximately 12 years old): A supernumerary 



conical dental element (x) ventrad of the upper median incisors and near the 



median line. 

 313. Pima girl, 144.3 cm. tall (12 to 13 years old): In the place of the right upper 



lateral incisor is a small conical tooth (probably x). 

 546. San Carlos boy, 145.3 cm. tall (12 to 13 years old): A supernumerary conica 



tooth (x), which was found ventrad of upper median incisors and near the 



median line. 

 558. San Carlos boy, 148.5 cm. tall (approximately 13 years old): A supernumerary, 



somewhat conical tooth (x) in front, just above the two upper median incisors; 



it points forward and downward. 

 167. Pima boy, 148.6 cm. tall (approximately 13 years old): A typical conical super- 

 numerary tooth (x). just ventrad to the right upper median incisor and partially 



displacing it. 

 785. San Carlos girl, 151.4 cm. tall (13 to 14 years old): A supernumerary conical tooth 



(x) between and slightly ventrad to the upper median incisor. 

 359. Pima girl, 153.8 cm. tall (approximately 14 years old): A supernumerary, some- 

 . what conical tooth (x), which was wedged in obliquely between the upper 



incisors. 

 827. San Carlos girl, 158.3 cm. tall: A supernumerary, somewhat conical tooth (x) 



situated between the upper median incisors, and displacing the left one back- 

 ward. 

 586. San Carlos boy, 158.3 cm. tall: A supernumerary tooth (not remaining from first 



dentition), incisor-like but somewhat smaller (x?) between the left median 



and the lateral upper incisors. 

 592. San Carlos boy, 159.1 cm. tall: A supernumerary, irregularly conical dental 



element (x) ventrad of the left median upper incisor. 

 831. San Carlos girl, 159.7 cm. tall: Two quite conical supernumerary teeth (x, x) 



between the upper median incisors; all incisors and canines were partially dis- 

 placed. 

 833. Mescalero girl, 160 cm. tall: A supernumerary conical tooth (x) in the place of 



the left lateral upper incisor, which had been lost as the result of caries some 



months before. 

 205. Pima boy, 165.3 cm. tall: A supernumerary conical tooth (x) in place of the left 



median upper incisor, which had been lost as the result of caries several years 



before. 

 626. San Carlos boy, 167.6 cm. tall: A persistent first dentition incisor in place of the 



left lateral lower incisor. 



Puberty. — Investigations on this subject were restricted to girls and 

 of necessity were reduced to the mere facts of the state of develop- 

 ment of the breasts and of the existence or nonexistence of men- 

 struation. 



