270 



MEMOIRS OF THE NATIONAL ACADEMY OF SCIENCES. 



TABLE LXXVII. Platycnemia. Indices of transverse section of shaft of tibia in G2 skeletons of 



various races in the Army Medical Museum. 



Xo. of 

 ipecimen 



White 



Do 



Negro 



Do 



Do 



Do.. . 



Do 



Do 



Mulatto 



Do 



Mexican 



Mnlilenmt Kskimo. 



\orttt American Indian*. 



A laskan 



Do 



Apacjio 



Do 



Arapaho 



Bannock 



Cheyenne 



Do 



Do 



Chippewa 



Ohoetaw 



Do 



Comanche 



Dakota 



Mocloc 



Mound-builders : 



From I &amp;gt;akota 



Do 



From Mississippi ... 



Do 



Navajo 



5433 

 6414 



552 

 2037 

 2041 

 2103 

 3301 

 5432 

 1835 

 2040 

 1834 



756 



814 



938 



1473 



1530 



6499 



2133 



2036 



2066 



6966 



1257 



622 



623 



1000 



945 



6287 



Sex. 



Antero 

 poste 

 rior 

 dinii-n- 



siim. 



Pawnee . 



Pah Ute.... 



Do.... 

 Sioux 



Do.... 



Do.... 



Do 



Brule Sioux 



Do... ..... 



Do 



Do 



Do 



Do 



Do 



Do 



Do 



Do 



Do 



Do 



Ogalalla Sioux . 

 Do.. 



400 

 644 



788 



778 



963 



964 



13 



2046 

 2071 

 2072 

 1852 



1895 



Do 



Do 



Sisseton Sioux . 



Do 



Do 



Yanktou Sioux . 



1897 

 1898 

 1899 

 1900 

 1901 

 2061 

 2062 

 2063 

 2068 

 1851 

 1853 



1854 

 1856 

 1790 

 1791 

 1792 



M. 



Hi;, M. 

 1121 I M. 



Eight tibia. 



Lateral 

 dimen 

 sion. 



M. 

 M. 

 F. 

 M. 

 M. 

 F. 

 M. 

 M. 

 M. 

 M. 

 F. 

 F. 

 F. 



F. 

 F. 

 M. 



M. 



284 



304 



27 



304 



34 



35 



30 



354 



35 



31 



26 



30 



384 



34 



27 



34 



37 



334 



324 



41 



344 



33 



324 



3U 



28 



404 



35 



384 



42 



424 



33 



33 



32 



35 



30 



364 



31 



34 



324 



34 



344 



364 



35 



41 



43 



30 



384 



354 



414 



28 



36 



27 



31 



324 



264 



30 



40 



38 



394 



23 

 23 

 19 



224 



264 



274 



22 



27 



25 



23 



21 



20 



204 



23 



184 



24 



23 



284 



23 



25 



244 



22 



20 



21 



19 



274 



234 



244 



244 

 30 

 24 

 214 



234 



21 



17 



24-4 



24 



234 



24 



25 



24 

 27 

 27 



28 

 23 



214 

 244 

 244 

 264 

 214 



244 



21 



204 



214 



194 



22 



23 



284 



25 



Index. 



80. 

 75. 

 70. 

 73. 

 77. 

 78. 

 73. 

 76. 

 71. 

 74. 

 80. 

 66. 



Left tibia. 



Antero- 

 poste 

 rior 

 dimen 

 sion. 



Lateral 

 dimen 

 sion. 



53.24 

 67.64 

 68.51 

 70.58 

 62.16 

 85.07 

 70.76 

 60.97 

 71.01 

 66.66 

 61.53 

 66.66 

 67.85 

 67.90 

 67.14 



63. 63 



58. 33 

 70. 58 

 72.72 

 65.15 



73. 43 

 60.00 

 56. 66 

 67.12 

 77.41 

 69.11 

 73.84 

 73. 52 



69.56 

 73. 97 



77.14 



68. 29 



53.48 



71.66 



63.63 



69.01 



63. 85 



76.78 



68. 05 



77. 77 



66.12 



66. 15 

 73. 58 

 73.33 

 57. 50 

 75. 00 

 &amp;lt;i3. 29 



29 



28 



28 



33 



35 



354 



31 



354 



344 



32 



26 



29 



344 



294 



33 



384 



32 



334 



42 



35 



34 



314 



304 



28 



404 



35 



384 

 394 

 394 

 344 

 34 



314 



35 



284 



36 



31 



35 



334 



344 



36 

 37 



36 

 41 



424 



30 



38 



35 



384 



294 



33 



27 



32 



33 



27 



304 

 384 

 384 

 36&quot; 



23 

 23 



194 



224 



27 



274 



22 



264 



24 



234 



214 

 204 



Kemarks. 



79.31 

 82.14 

 69.64 

 68.18 

 77.14 

 77.46 

 70.96 

 74.64 

 69.56 

 73.43 

 82. 69 

 70.68 



224 



20 



23| 



24* 



30 



23 



23 



25 



23| 



21* 

 21 

 19 

 27 



22 



25 



24* 

 27* 

 25 

 224 



22 



17 



25 



24 



234 



234 



23 



23 

 29 



254 



27 



234 



21 



24 



234 



274 



22 



244 



204 



204 



214 



20 



22 



24 



29 



65.21 

 67.79 

 71.21 



63. 63 

 93.75 

 68. 65 

 54.76 

 71.42 

 69.11 



68. 25 

 68. 65 

 67.85 

 66.66 

 62.85 



64. 93 

 62. 02 



69. 62 

 72.46 

 66.17 



68.25 

 62.85 

 59.64 

 69. 44 

 77.41 

 67.14 

 70.14 

 66.66 



63.88 

 78.37 

 70. 83 

 65.85 

 55. 2!) 

 70. 00 

 63.15 

 67. 14 

 71.42 

 74.57 

 74.24 

 75. 92 

 64.06 



65.15 

 74.0 

 72. 13 

 62. 33 

 75. 32 

 69. 44 



Hunchback. 



15 years of age. 

 70 years of age. 



Barely an adult. 

 Hunchback. 



Youth. 



Hunchback. 



Adolescent. 



Right foramen abnormal; 

 measurement taken on a 

 level to correspond with 

 foramen of opposite side. 



Left foramen abnormal; 

 measurement taken on a 

 level to correspond with 

 foramen of opposite side. 



30 years of age. 



Adolescent. 



Adolescent. 



About 15 years of age. 



Left foramen abnormal; 

 measurement taken on a 

 level to correspond with 

 foramen on opposite side. 



About 16 years of age. 



