XXIV LIST OF ILLUSTRATIONS. 



riGItEE PAGE 



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



Sympathic 393 



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 Cceliae 440 



114. — Dorsal Aspect of the Mesencephalon, with Adjacent Parts 44J 



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 Prse- 



cornu of the Sheep, inverted 438 



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.) 583 



129.— Dropping-bottle Oiler 585 



130.— Method of holding a Frog for Pithing 536 



FOUR PLATES OP THE BRAIK (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. 

 3. — 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 Prosencephalon, with part of the Diencephalon. 

 7. — Dorsal Aspect of the Diencephalon and Mesencephalon. 



