EFFECTS OF THIRST, ETC., 



ON EMYS SERRATA. 



51 



27. Blood of a female Yellow-belly Terrapin [Emijs serrata), wliicli had been 

 kept without food or drink for seventeen days. June 8. 



Weight, May 25 ...... 20.873 grains. 



June 8 ...... 18.756 " 



Loss of weight ill fourteen days .... 2.117 " 



In fourteen days this Chelonian lost a little more than one-tenth of its whole 

 weight. 



Specific gravity of its blood 

 Solid constituents in 1000 parts of blood 

 " " " serum 



" in serum of 1000 parts of blood 



Water in 1000 parts of blood 

 " " serum 



1000 parts of blood contained — 



Water ..... 

 Blood-corpuscles (dried organic constituents) 

 Albumen, fatty and extractive matters 

 Fibrin ..... 

 Fixed saline constituents 



1000 parts of blood contained — 



Moist blood-corpuscles 478.00 -: 



(Water 



Liquor sanguinis 



(Solid constituents 



522.00 l^^^®'' • 



C Solid constituents 



Amount of blood obtained, 800 grains. 



Solid constituents in 800 grains of blood 



" " serum of 800 grains of blood 



Water in 800 grains of blood 



800 grains of blood contained — 



Water ..... 

 Blood-corpuscles (dried organic constituents) 

 Albumen, fatty and extractive matter 

 Fibrin ..... 

 Fixed saline constituents 



800 grains contained — 



Moist blood-corpuscles 383.80 



Liquor sanguinis 416.20 



(Water . 



(Solid constituents 

 (Water . 



(Solid constituents 



1040.5 

 178.11 

 64.51 

 56.68 

 821.87 

 935.49 



821.89 

 115.75 

 54.68 

 1.68 

 6.00 



358.25 

 119.75 

 463.64 

 58.36 



142.55 

 45.26 

 657.51 



657.51 

 92.60 

 43.75 

 1.34 

 4.80 



287.85 

 95.95 



369.60 

 46.60 



By comparing the size and amount of blood of this terrapin with that of the 



terrapin in a normal condition, we obtain, as its probable loss of blood during 



seventeen days of starvation and thirst, 700 grains. 



Solid constituents in 700 grains of blood consumed . . . 44.40 



Solid constituents in serum of 700 grains " ... 13.78 



Water in 700 grains of blood ...... 055.60 



