LIST OF ILLUSTRATIONS xix 



FIG. PAGE 



25. Section through a cortical body (" corpuscle of Stannius ") of the 



sturgeon (Acipenser sturio) . . . . . . .110 



26. Section through suprarenal body of Bufo vulgaris. . . .111 



27. Small portion of the adrenal body of Uromastix Hardwic-kii . . 113 



28. Section of the adrenal body of Meleaqris Gallopavo . . .114 



29. Section through the adrenal bodv of the dog . . . .115 



30. Sketch of the abdominal chromaphil body of the dog . . .117 



31. Sketch of the abdominal chromaphil body of the cat . . .118 



32. Sketch of the abdominal chromaphil body of the rabbit . . .118 



33. Transverse section through the abdominal chromaphil body of a dog 119 



34. Section through a small portion of the medullary part of the 



adrenal body of the dog . . . . . . .120 



35. Section through a group of chromaphil cells in the inferior cervical 



ganglion of a dog ........ 121 



36. Tracing showing the effect on blood-pressure of injection of an 



extract of the abdominal chromaphil body of the dog . .122 



37. Diagram of the adrenal representatives in elasmobranch\ 



fishes [ 124, 125 



38. Diagram of the adrenal representatives in mammals . . J 



39. Tracing showing the effect of injection of adrenal extract into the 



vein of a dog . . . . . . . . 167 



40. Tracing showing the effect of injection of nicotine into a vein of a 



dog ... 169 



41. Tracing showing the effect of injection of adrenal extract after the 



administration of atropine . . . . . .170 



42. Tracing showing the effect of injection of adrenal extract after the 



administration of nicotine . . . . . . .171 



43. Tracing showing the paralysing effect of adrenal injection upon the 



vagus nerve . . . . . . . . .173 



44. Diagram of the adrenal representatives in elasmobranch fishes ]_ ~, 



45. Diagram of the adrenal representatives in mammals . . j 



46. Tracing showing the rise of blood-pressure on release of the adrenal 



veins which have been compressed for some time . . . 223 



47. Tracing showing the effect of stimulation of the splanchnic nerve 



in a dog .......... 226 



48. Tracing showing the effect of stimulation of the splanchnic nerve 



in a dog after the administration of morphine .... 227 



49. Tracing showing the effect of stimulation of the splanchnic nerve 



before and after clamping the adrenal veins .... 228 



50. Tracing showing effect of stimulation of the splanchnic and the 



effect of tying of the adrenal body . . . . . 228 



51. Tracing showing the effect of stimulation of the splanchnic nerve 



before and after clamping the adrenal veins . . . . 229 



52. Tracing showing the effect (on blood-pressure and on a denervated 



limb) of stimulation of the splanchnic nerve . 229 



53. Tracing showing the effect (on blood-pressure and on volume of a 



denervated limb) of stimulation of the splanchnic nerve after 

 clamping both adrenal veins ....... 230 



54. Tracing showing the effect (on blood-pressure and on the volume of 



a denervated limb) of stimulation of the central end of the right 

 sciatic nerve . . . . . . . .231 



55. Tracing showing the effects of stimulation of sciatic after tying off 



the adrenal bodies on both sides ..... 232 



56. Section through the carotid body of a. cat . 253 



