PAGE 



4 

 16 



242 INDEX VOL. 35 



Shape of the femur of the lower animals 



Significations of bone types 



Stage la Haversian differentiation ^° 



lb Haversian differentiation i* 



Ic Haversian differentiation •'■° 



C Haversian differentiation •'•^ 



o 27 



Summary of results ■'' 



senile changes ^^ 



Survey of medullary indices as a whole • •>> "^ 



the whole field ^'' 



219 



Svnoptic table I 



jj 220 



iii":::''';'''''^^'^'^^' 221 



jy 222, 223 



V .V. ............... 224 



VI 225 



VII ' ^ ^ ^ ^ ^ ' ^ ^ ^ 226 



VIII 227 



IX 228 



X 229 



XI 



230 



'I':i1j1(! of bone types and lamellar divisions IT 



shapes in percentages 4 



medullary indices " 



type combinations IS 



• the distrib'ution of the three bone types 17 



Third conclusion of the survey of averages of medullary indices 7 



Tliird type of bone • ^'^ 



two stages of 1 •' 



Threefold division of lamellae H 



Tibia of negro, No. 24SGT4, U. S. Nat. Mus 162 



Total number of femora examined 1 



Trabeculse ^ 



Twofold division of lamellae 11 



Typ(> advancement in amphibians '....•. 18, 29 



reptiles 19. 29 



birds lil. 29 



bats 20, 29 



mammals 20, 29 



man ' 21 , 29 



combinations IS 



MI :. 18 



I-III IS 



II-IIl IS 



I-IIIII IS 



structure according to classes of animals IS 



Types of bone structure 12 



rina of negro. No. 248G74, XJ. S. Nat. Mus 162 



Undifferentiated bone units 10 



Uniformly lamellated bone structure 11 



Units of bone structure H' 



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, 107 



