LIST OF ILLUSTRATIONS. 



**IG. PAGE 



209. Action of the Muscles of the Larynx. (BEAUNIS) . 555 



210. Schematic Horizontal Section of Larynx. (LANDOIS) * 566 



211. Schematic Closure of the Glottis by the Thyro-arytenoid Muscles. (LANDOIS) 567 



212. The Posterior Rhinoscopic Image. (BoswoRTH) 569 



213. Position of Vocal Cords on Uttering a High Note. (LANDOIS) 570 



214. Daniell Cell 576 



215. DuBois Nonpolarizable Electrodes. (LAHOUSSE) 579 



216. Tetanizing Key of DuBois-Reymond. (After ROSENTHAL) 580 



217. Pohl's Commutator. (LAHOUSSE) 581 



218. DuBois-Reymond's Induction Apparatus. (WALLER) 583 



219. Principle of Simple Rheocord 534 



220. Schema of Apparatus to Study nlfluence of Rapid Variations of the Constant 



Current by the Rheonome of von Fleischl. (LAHOUSSE) 585 



221. Schema of Experiment to Measure the Rapidity of the Muscle Current by the 



Aid of the Differential Rheotome of Bernstein. (LAHOUSSE) 586 



222. The Nerve-muscle Preparation. (STIRLING) 587 



223. Thompson Galvanometer 588 



224. Diagram of Capillary Electrometer. (STARLING) 589 



225. Direction of Current of Daniell Cell 590 



226. Direction of Current of Injured Muscle. (WALLER) 590 



227. Schema Representing the Inequalities of Electric Tensions upon the Natural 



Longitudinal Surface and upon the Artificial Transverse Surface of a 

 Muscle-cylinder. Also the direction of the electric currents from the 

 exterior to the interior of the muscle. (LAHOUSSE) 591 



228. The Negative Variation (Frog's Gastrocnemius). (WALLER) 592 



229. Arrangement of Parts to Show Secondary Contraction in Muscle. (After 



ROSENTHAL) 593 



230. Effect of Chloroform upon the Electrical Responses of Isolated Nerve. 



(WALLER) 594 



231. The Structure of Nervous Tissue. (LANDOIS) 597 



232. Cells from Anterior Horn of Human Spinal Cord. Ganglion Cells. (RAMON Y 



CAJAL.) Neuroglia. (WEIGERT) 598 



233. Ganglion Cell from Sympathetic Ganglion of Frog; Greatly Magnified, and 



Showing Both Straight and Coiled Fibers. (After QUAIN) 599 



234. A Piece of Medullated Nerve-fibril of Man, Nucleus and Axis Cylinder Stained 



by Carmine. (SOBOTTA) 601 



235. A Piece of Medullated Nerve of Man. It shows Ranvier's Constrictions and 



Lantermann's Incisures. (SOBOTTA) 601 



236. Two Nerve-pairs at Their Origin in the Spinal Cord Anterior and Posterior 



Roots. (MORAT) 612 



237. Transverse Section of the Spinal Cord 618 



238. Section of Spinal Cord, Showing the Less Well-known Tracts 621 



239. Medulla Oblongata, Pons, Cerebellum, and Pes Pedunculi. Anterior View, to 



Demonstrate Exits of Cranial Nerves. (EDINGER) 623 



240. The Three Pairs of Cerebellar Peduncles. (After HIRSCHFELD and LEVEILLE). 624 



241. Metencephalon, Mesencephalon, and Thalamencephalon, from the Dorsal Sur- 



face. (GORDINIER, after OBERSTEINER) 626 



242. Diagrammatic Transverse Section of the Spinal Bulb X 3, at about the middle 



of the olivary body, to illustrate the principal nuclei and tracts at that 

 level. (WALLER, after SCHWALBE) 627 



243. Cross-section of the Oblongata through the Decussation of the Pyramids. 



(After HENLE) 628 



244. Section of Medulla Oblongata at the Level of the Decussation of the Pyramids 



Motor Decussation. (M. DUVAL.) Section of Medulla Oblongata at the 

 Upper Part Sensory or Fillet Decussation. (M. DUVAL) 630 



245. The Base of the Brain. The Left Lobus Temporalis is in Part Represented as 



Transparent in Order that the Entire Course of the Optic Tract Might be 

 Seen. (EDINGER) 633 



246. Diagram to Illustrate Some of the Connections of the Nuclei of the Nerves to 



the Ocular Muscles. (STARLING, after HELD) 635 



247. Diagrammatic Transverse Section Through the Crus Cerebri and Anterior Cor- 



pora Quadrigemina. (WALLER, after OBERSTEINER) 636 



248. Section of the Crus Cerebri. (MORAT) 637 



249. The Mesial Fillet, Ending Chiefly in the Ventral Nucleus of the Optic Thala- 



mus and then United by New Neuraxons (Upper Fillet) to Parietal Cortex. 640 



250. View from the Side and Slightly from Above and Behind of the Right Hemi- 



sphere of a Simply Convoluted European Brain. (QUAIN) 641 



251. Lateral Aspect of Brain. (EDINGER) 643 



252. Mesial Aspect of Left Hemisphere of a European Brain. (QUAIN) 644 



253. Longitudinal Section Through the Middle of an Adult Brain. The Posterior 



portion of the thalamus, the crura cerebri, etc., have been removed, In 

 order to expose the inner surface of the temporal lobe. (EDINGER) 645 



254. Section Through the Cerebral Cortex of a Mammal. (EDINGER and CAJAL).. 646 



255. The Brain-structures from the Thalamus to the Spinal Cord (the "Brain- 



stem"). (EDINGER) - 647 



256. Thalamus and Corpora Quadrigemina Seen from the Side. (EDINGER) 648 



257. Median Sagittal Section Through the Interbrain and the Structures Posterior 



tO it. (EDINGER) 649 



258. Median Section of the Brain. (QUAIN) 651 



