XXIV LIST OF ILLUSTRATIONS. 



FIOURB PAGE 



107. — The Vagus and Sympathic Nerves and a Diagram of the Sacral Part of the 



Sympathic 392 



108. — The Recurrent Laryngeal Nerves, Ventral View (Stowell, 1) 394 



109. — Transection of the Thorax, showing the Origin of a Pair of Spinal Nerves and 



the Relations of the Sympathic and Cerebro-Spinal Systems, Cephalic View. 397 

 110. — Longitudinal Dextro-Sinistral Section of an Ideal, Simple Brain, showing the 

 Relations of the Cavities, the Sequence of the Encephalic Segments, and the 



Relations of the Cceliae 408 



111. — Mesal Aspect of the Right Half of an Ideal, Simple Brain, showing the Con- 

 tour and Constitution of the Coelian Floors and Roofs 408 



112. — Transection of Several Segments of the Ideal Brain, showing the Coelise and 



their Parietes 408 



113. — Ventral Exposure of the Coelise 440 



114. — Dorsal Aspect of tlie Mesencephalon, with Adjacent Parts 441 



115. — Dorsal Aspect of the Callosum after Partial Removal of the Hemispheres 442 



116. — Diagram of the Base of the Brain 443 



117. — Diagram of the Mesal Aspect of the Left Hemiencephalon . 446-447 



118.— Diagram of the Area Cruralis of the Brain 447 



119. — Plaster Casts of the Medicornua Inverted 458 



120. — Plaster Casts of the Diacoelia (Dorsal Portion), Aula, and Right Porta and Prae- 



cornu of the Sheep, inverted 458 



121. — Diagram of a Section of the Left Medicornu 458 



122 — Diagram of a Transection of the Brain through the Diacoelia 458 



123. — Diagram of a Transection of the Porta (Foramen of Monro) 458 



124. — Cerebral Fissures, Lateral Aspect 494 . 



125. — Cerebral Fissures, Mesal Aspect 494' 



126.— Section of the Eye, in situ 524 



127.— Diagram of the Ear 532 



128. — Transection of a Coil of the Cochlea (Quain, A. ) 533 



129. — Dropping-bottle Oiler 535 



130.— Method of holding a Frog for Pithing 536 



rOUE PLATES OF THE BEAIN. (Wilder, 14.) 



For the use of these plates we are indebted to the American Philosophical Society of 

 Philadelphia. 



PLATE I. 



1. — Dorsal Aspect of the Brain. 

 2. — Sinistral Aspect of the Brain. 



PLATE II. 



8. — Basis Encephali, or Ventral Aspect of the Brain. 

 4. — Mesal Surface of the Right Hemiencephalon. 



PLATE III. 



5. — Cephalic Aspect of the Prosencephalon. 



6. — Caudal Aspect of the Prosenceplialon, with part of the Diencephalon. 



7. — Dorsal Aspect of the Diencephalon and Mesencephalon. 



