NO. 3 INDEX 241 



PAOF. 



Individual variations 27 



Influence of grade of animal on bone types 24 



age on bone types 25 



function on bone types , 26 



geograpliical position on bone types 25 



liealth and disease on bone types 27 



heredity on bone types 27 



Influence of individuality on bone types 27 



sex on bone types 25 



Intermediate bone type 15 



Introduction 1 



Lacunse, variations of . . .'. 10 



Lamella, description of 10 



Lamellse, differentiation of 10, 17 



location of 10, 21 



Lamellar bone type 12 



Lamina, differentiation of 13, 14 



location of 14 



description of 11 



Laminar bone type 13 



Linea aspera 4 , 30, 31 



Mammals 75, 90 



Man 149 



Measurements of bone and medullary canal 5, 219, 230 



Medullary canal, position, size, contents 7 



of birds 7 



variations of 7, 59 



contents of S 



position of . , 7 



shape of 7 



size of S 



surface of 8 



index 5 



highest in birds o 



lowest in reptiles 6 



of mammals 6 



of man 6 



average percentages of 6 



formula 5 



table of averages 6 



Metatarsal bone of big toe of negro, No. 248674, U. S. Nat Mus 163 



Method used in making the drawings 2 



Methods of Haversian system formation 15 



Moderately differentiated bone type 16 



Mounting of slides 2 



143 

 Os penis of raccoon 



Radius of negro. No. 24S674, U. S. Nat. Mus ^"^^ 



Reasons for selecting the femur ^ 



Relation of structure to shape ^ 



Relations of medullary index to the bone and its canal ' 



4N 



Reptiles , ,- 



Review of the table of bone type distribution 



^. ,. . , IS 



Second and third combination of types ^^ 



Second type of bone ^^ 



stages of 



Selection of microsections ,^ ^^ 



Senility 25 



Sex, influence of, on bone 



