LIST OF WOOD ENGRAVINGS. Xlll 



109. Rudimentary Pancreas, from Cod; after Miiller ... 397 



110. Mammary Gland of Ornithorhyncus ; after Miiller .... 397 



111. Meibomian Glands; after Miiller . ..... 397 



112. Portion of Cowper's Gland ; after Miiller ..... 397 



113. Lobule of Lachrymal Gland ; after Miiller .... 



114. Hepatic Follicles from Crab; after Goodsir ..... 398 



115. Ultimate follicles from Mammary gland ; after Lebert . . ^ -- _ 398 



116. Surface of Lobule of Liver of Squilla ; after Miiller . . .400 



117. Interior of Lobule of Liver of Squilla; after Muller ... 400 



118. Liver of Tadpole; after Miiller .... 402 



119. Distribution of Blood-vessels in -Lobules of Liver ; after Kiernan . 402 



120. Connexion of Lobules of Liver with Hepatic vein ; ditto . . . 403 



121. Distribution of Hepatic ducts, around Lobules of Liver ; after Kiernan . 404 



122. Secreting Cells of Liver . . . . . . 404 



123. Development of Kidney, in embryo of Lizard ; after Muller . . , 407 



124. Kidney of foetal Boa ; after Muller ...... 407 



125. Portion of Kidney of Coluber ; after Muller . . . . .408 



126. Fasciculus of tubuli uriuiferi of Bird ; after Muller . , * 408 



127. Section of Kidney ........ 408 



128. Section of portions of Kidney, slightly magnified ; after Wagner . 408 



129. Distribution of vessels in Kidney ; after Bowman .... 409 



130. Vertical section of Skin ; after Wilson ..... 417 



131. Hepatic Cells gorged with Fat ; after Bowman .... 423 



132. Various stages of development of Haematococcus binalis ; after Hassal . 434 



133. Successive stages of development of simpler Algse ; after Kiitzing . . 435 



134. Diagram representing the three principal forms <jf the Generative process in 



Plants (original) . . . . . . .437 



135. Successive stages of Segmentation of the vitellus of Ascaris ; after Bagge 441 



136. Anatomy of the Testis . . . . . . .443 



137. The Uterus and its appendages ...... 446 



138. Successive stages of segmentation of Mammalian vitellus ; after Coste . 453 



139. Formation of the Mulberry mass ; after Coste .... 454 



140. Plan of Early Uterine Ovum ; .after Wagner ..... 454 



141. Germ and surrounding parts ; after Coste .... 457 



142. Vascular Area of Fowl's Egg ; after Wagner ..... 458 



143. Diagram of Ovum, at commencement of separation of digestive cavity ; after 



Wagner ......... 459 



144. Diagram of Ovum, showing the formation of the Amnion ; after Wagner 459 



145. Diagram of Human Ovum, in second month, showing the Allantois ; after 



Wagner ........ 460 



146. Diagram of the Circulation in the Ovum at the commencement of the forma- 



tion of the placenta ; after Coste ..... 461 



147. Extremity of Placental Villus ; after Goodsir . . 463 



148. External membrane and cells of placental villus ; after Goodsir . 463 



149. Diagram illustrating the arrangement of the placental decidua ; after Goodsir 463 



150. Plan of the Foetal Circulation . . . . . . 465 



151. Termination of portion of milk-duct in follicles ; after Sir A. Cooper . 468 



152. Portion of the Ganglionic tract of Polydesmus ; after Newport . 485 



153. Human embryo at sixth week ; after Wagner .... 493 



154. Dissection of the Medulla Oblongata, showing the connexions of its several 



tracts ; after Solly (altered) . . . . . .506 



155. Diagram of the relations of the Cerebrum to the Sensory Ganglia, as seen in 



horizontal section (original) ...... 509 



156. Diagram of the relations of the several parts of the Encephalon, as seen in 



vertical section (original) ...... 519 



157. Capillary network at margin of Lips ; after Berres . . . 534 



158. Distribution of tactile nerves in Skin ; after Gerber .... 535 



159. Capillaries of fungiform papilla of Tongue ; after Berres . . 537 



160. Distribution of Olfactory nerve ; after Wilson .... 539 



161. Diagram of the Auditory apparatus; after Wilson . . . 543 



162. Refraction of rays of light through convex lens . . . . 545 



163. Formation of images in eye ...... 545 



164. Capillary network of Retina ; after Berres ..... 547 



165. Structure of the Larynx ; after Willis ..... 554 



