LIST OF ILLUSTRATIONS. 



XV 



91. 

 92. 

 93- 

 94- 

 95- 

 96. 



97. 

 98. 



99- 

 100. 



lOI. 



102. 

 103. 

 104. 

 105. 



106. 

 107. 



108. 

 109. 



iia 

 III. 

 112. 



"3- 



114. 



"S- 

 116. 

 117. 

 n8. 

 119. 

 120. 

 121. 

 122. 

 123. 

 124. 



125- 



126. 

 127. 

 128. 

 129. 

 130. 



131- 

 132. 



133- 



134- 

 135- 

 136. 



137- 

 138. 

 139- 

 140. 

 141. 

 142. 



143- 



144. 



145- 

 146. 



147- 

 148. 



Human Embryo of 32 mm., 



Human Embryo of 34 mm. Front View of Eace, 



Human Embryo of 55 mm. Seventy-five Days 



Human Embryo of 78 mm. Three Months, 



Front View of the Face of the Embryo Shown in Fig. 94, 



Human Embryo of 120 mm. (? One Hundred and Ten Days), 



Human Embryo of 1 18 mm. One Hundred and Six Days, . . 



Human Embryo of 155 mm. One Hundred and Twenty-three Days, 



Pig Embryo of 10 mm., 



Transverse Section of Pig Embryo of 12 mm., facing 



Pig Embryo of 12.0 mm. Reconstruction from the Transverse Sections, Series 5 indrawn by Dr. 



F. T. Lewis), 



Anterior Wall of the Pharynx of a Human Embryo of 3.2 mm. {after W. His), 



Aoriic System of His's Embryo Bl, 4.25 mm. {after W. His), 



Transverse Section of Pig Embryo of 12 mm. facing 



Pig Embryo of 12.0 mm. Reconstruction from the Transverse Sections, Series 5 [draivn by Dr. 



F. T. Lewis), 



Transverse Section of Pig Embryo of 12 mm., facing 



Pig Embryo of 12.0 mm. Reconstruction from the Transverse Sections, Series 5 {drawn by Dr. 



F. T. Lewis), . . 



Transverse Section of Pig Embryo of 12 mm., Jacins; 



Pig Embryo of 12.0 mm. Reconstruction from the Transverse Sections, Series 5 {drawn by Dr. 



F. T. Lewis), 



Pig Embryo of 15 mm., 



Pig Embryo of 20 mm., 



Reconstruction of a Pig Embryo of 12.0 mm. with Indications of the Planes of Sections Figured, . 



Pig, 12.0 mm. Transverse Series 5, Section 185, 



Portion of Fig. 113 More Highly Magnified, 



Pig 



Pig 



Pig 



Pig 



I 



Pig 

 Pig 

 Pig 

 Pig 

 Pig 

 Pig 

 Pig 

 Pig 

 Pig 

 Pig 

 Pig 

 Pig 

 Pig 

 Pig 

 Pig 



Pig 

 Pig 

 Pig 



Pig 

 Pig 

 Pig 



Pig 

 Pig 

 Pig 



Pig 

 Pig 

 Pig 

 Pig 

 Pig 



12.0 mm. 

 12.0 mm. 

 12.0 mm. 

 12.0 mm. 

 12.0 mm. 

 12.0 mm. 

 12.0 mm. 

 12.0 mm. 

 12.0 mm. 

 12.0 mm. 

 12.0 mm. 

 12.0 mm. 

 12.0 mm. 

 12.0 mm. 

 9.0 mm. 

 9.0 mm. 

 9.0 mm. 

 9.0 mm. 

 9.0 mm. 

 6.0 mm. 

 6.0 mm. 

 17.0 mm. 

 17.0 mm. 

 17.0 mm. 

 170 mm. 

 20.0 mm. 

 20.0 mm. 

 20.0 mm. 

 20.0 mm. 

 20.0 mm. 

 20.0 mm. 

 20.0 mm. 

 20.0 mm. 

 20.0 mm. 



Transverse Series 5, Section 198, 



Transverse Series 5, Section 249, 



Transverse Series 5, Section 292, 



Transverse Series 5, Section 321, 



Transverse Series 5, Section 353, 



Transverse Series 5, Section 470, 



Transverse Series 5, Section 513* 



Transverse Series 5, Section 633, 



Sagittal Series 7, Section 70, 



No. 7. Sagittal Section 25, 



Frontal Series 6, Section 284, . 



Frontal Series 6, Section 340, 



Frontal Series 6, Section 380, 



F"rontal Series 6, Section 572, 



Transverse Series 9, Section 171, 



Sagittal Series 53, Section 213, 



Frontal Series 54, Section 194, 



Frontal Series 54, Section 194, 



Frontal Series, 54, Section 459, 



Transverse Series 9, Section 90, 



Transverse Series 9, Section 519, 



Transverse Series 51, Section 464 



Transverse Series 51, Section 651, 



Transverse Series 51, Section 759, 



Frontal Series 39, Section 63, 



Transverse Series 59, Section 522, 



Transverse Series 59, Section 522, 



Transverse Series 59, Section 701, 



Transverse Series 59, Section 1253, 



Transverse Series 59, Section 1043, 



Sagittal Series 60, Section 213, 



Frontal Section of Head. Series 40, Section 68, . 



Frontal Section of Head. Series 40, Section 84, . 



Frontal Section of Head. Series 40, Section 123, 



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174 

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249 

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254 

 256 



257 



