xiv CO NT K NTS. 



SECTION X. 

 MODIFIED RESPIRATORY MOVEMENT.-. 



PAGE 



391. Sighing, Yawning, Hiccough, Sobbing, Coughing, SneeziiK'. Laugh- 



iug and Crying . G30 



CHAPTER III. 



THE ELIMINATION OF WASTE PRODUCTS. 

 392. The chief waste products and thuir channels of exit .... 



SECTION 1. 



THK SHUTTI-RE OF THK KIDM:V. 



5 :v.i3. The general structure of the kidney 634 



* :>'.!. The general features and arrangement of the tubuli uriniferi . . r.:{i; 

 395. The structure of the Malpighian capsule and the special characters 



of a tubulus uriniferus in the several parts of its course . . ',:;:> 

 396. The meaning of these characters, and the structure of the tubulus 



uriniferus in the amphibia (il.H 



397. The vascular arrangements of the kidney. 644 



3118. The connective tissue stroma of the kidiu y 646 



399. The nerves of the kidney . . . . . i;n; 



SECTION II. 



THE COMPOSITION AND CHAI;ATKHS OF URINE. 



5 400. The general characters of urine ill* 



401. The normal organic constituents of urine 649 



402. The inorganic salts 650 



5 403. The non-nitrogenous constituents of the urine ..... 651 



404. The pigments of the urine 651 



ji 405. Ferments and other bodies present in urine 652 



406. The relative quantities of the more important constituents of urine . 653 



407. The acidity of uriue ('>".] 



408. The abnormal constituents of urine 654 



SECTION III. 



THE SECRETION OF URINE. 



409. The double nature of urinary secretion 656- 



410. The vaso-motor mechanisms of the kidney. The renal oncorneter 



and oncograph . 657 



