242 INDEX VOL. 35 



PAGE 



Shape of the femur of the lower animals 4 



Significations of bone types 16 



Stage la Haversian differentiation 15 



lb Haversian differentiation 15 



Ic Haversian differentiation 16 



C Haversian differentiation 16 



Summary of results 2, 27 



senile changes 34 



Survey of medullary indices as a whole 6, 7 



the whole field . . , 27 



Synoptic table I 219 



II 220 



III 221 



IV 222, 223 



V : 224 



VI 225 



VII 226 



VIII 227 



IX 228 



X 229 



XI 230 



Table of bone types and lamellar divisions ■•■■•», I 7 



shapes in percentages 4 



medullary indices 6 



type combinations 18 



the distribution of the three bone types 17 



Third conclusion of the survey of averages of medullary indices 7 



Third type of bone 14 



two stages of 15 



Threefold division of iamellae 11 



Tibia of negro, No. 248674, U. S. Nat. Mus 162 



Total number of femora examined 1 



Trabeculse 9 



Twofold division of lamellae 11 



Type advancement in amphibians 18, 29 



reptiles 19, 29 



birds 19, 29 



bats 20, 29 



mammals 20, 29 



man 21, 29 



combinations 18 



MI is 



Mil 18 



1 1 - 1 1 1 • IS 



MMII IS 



structure according to classes of animals 18 



Types of bone structure ■ 12 



Ulna of negro, No. 248674, U. S. Nat. Mus 162 



Undifferentiated bone units 10 



Uniformly lamellated bone structure 11 



Units of bone structure 10 



Variation in shape 4 



the prominent factor in bone histology 2, 3 



Variations in density of bone 5 



Variety of structure of the wall of the femur 9 



White race 23, 183 



Yellow-brown race 



35, 



167 



