40 EFFECTS OF THIRST AND STARVATION UPON ALLIGATORS. 



CHAPTER III. 



FHYSICAL AND CHEMICAL CHANGES OF THE SOLIDS AND FLUIDS 

 OF COLD AND WARM-BLOODED ANIMALS, WHEN DEPRIVED OF 

 FOOD AND DRINK. 



Series I. — Effects of Starvation and Thirst upon the Fluids and Solids of 

 Alligators {Alligator Mississippiensis) . 



21. Blood of a small female Alligator, in its normal condition. 



Although this reptile had been shot for half an hour, the blood flowed from its 

 arteries in rapid streams, and twelve fluidounces were collected without any special 

 care. 



This alligator had been well fed, and was in good condition ; the abdominal 

 cavity, especially in the region of the kidneys, was lined with fat. 



22. Blood of a small male Alligator. April 4. 



The subject of these investigations was kept for two weeks and a half, without 

 food or drink. It lived in the same stream with the one used in the preceding 

 analysis, and was in all probability its mate. 



This reptile was captured in a novel manner. The ear of the Alligator is pro- 

 vided with a lid which completely covers the meatus auditorius externus. When 

 this lid is closed, it is impossible to discover the position of the ear without close 



