ILLUSTKATIONS IN VOLUME FIRST. 



PAGE 



The Adrenal System (Sajous) Frontispiece 



Circulation of the Adrenals in the Dog (J. M. Flint) 32 



Vascular Supply of the Thyroid Gland (Pocket- Johnson) 148 



Nervous Path from the Anterior Pituitary Body to the Adrenals (Sajous).. 218 

 Diagrammatic Representation of the Submaxillary Gland of the Dog, with 



its Nerves and Blood-vessels (Foster) 273 



Histological Section of the Wall of a Sebaceous Cyst (Cornil and Ranvier).. 286 

 The Mammary Lobule near the Resting Stage (Upper) and during Func- 

 tional Activity (Creignton) 287 



Expanded Mammary Acinus, showing the Arrangement of Epithelial Mosaic 



(Creiyhton) 288 



Intestinal Villus (Cadiat) 316 



Intestinal Villi; Injected Lacteals in the Middle of Each Villus (Cadiat).... 317 

 Section of Liver, showing the Lobules, Cells, and the Blood-supply (Piersol).. 329 



Biliary Canaliculi (Mathias Duval) 330 



Liver of Rabbit Injected from the Portal Vein (E. A. ScMfer) 340 



Camera-Lucida Tracing of the Lobule Boundaries in One of a Series of Sec- 

 tions from the Splenic End of a Cat's Pancreas (Eugene L. Opic) 398 



Termination of Small Blood-vessels in the Spleen (Gray) 401 



Circulation of the Human Heart (Arthur V. Meigs) 436 



Mechanism of Cardiac Action (Sajous) 440 



Diagrammatic Representation of the Course of Cardiac Augmentor Fibers 



in the Frog (Foster) 447 



Median and Vertical Section of a Three Months' Embryo (Dejerine) 490 



Vertical Section of the Posterior Pituitary Body (Berkley) 494 



Various Types of Cells in the Posterior Pituitary Body (Berkley) 496 



Various Types of Cells in the Posterior Pituitary Body. Portion of Gland- 

 ular Elements of the Anterior Pituitary Body (Berkley) 498 



Median and Vertical Section of a Two and One-half Months' Embryo (His).. 510 

 Diagram of Relation between Longitudinal and Transverse Sections, show- 

 ing Cones Cut Across at Different Levels (W. H. Wynn) 537 



Nerve-fibers from a Frog Injected with Methylene-blue (Kolliker) 541 



Sensory Nerve-ending. Stained with Methylene-blue in the Exocardium of the 



Left Auricle of a Gray Rat (Bmirnow) 542 



Lesions in the Neurons of Animals after Ricin Poisoning (Berkley) 550 



Lesions in the Neurons of Animals after Ricin Poisoning (Berkley) 552 



Schematic Representation of the Lower Motor Neuron (Barker) 558 



A Protoplasmic Glia-cell from a Human Brain (First Layer of Cortex) 



(Andriezen) 564 



Leucocytes in the Perivascular Spaces and in Vessels, as a Result of Acute 



Alcoholic Poisoning (Berkley) 572 



A Protoplasmic Neuroglia-cell from the Human Brain (Fourth Layer of 

 Cortex), showing Two Expanded Conical Disk-like Attachments to a 

 Vessel (Andriezen) 584 



(xxv) 



