BLOOD OF OPHIDIANS. 



9 



From these facts, it is probable that the serpent had been without food for some 

 days, and perhaps weeks. It had been captured only three days previous to the 

 analysis. 



From the small amount of blood yielded by this animal, it was impossible to 

 determine the amount of fibrin. 



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 and fibrin 

 Albumen, fatty and extractive matter 

 Fixed saline constituents 



1000 parts of blood contained — 



(Water . 



Moist blood-corpuscles 444.84 



(Solid constituents 



Liquor sanguinis 



555.16 1^^*^'- 



(.Solid constituents 



166.T6 

 62.50 

 55.55 

 833.24 

 93T.50 



838.24 

 102.22 

 51.07 

 13.47 



333.63 

 111.21 

 499.61 

 55.55 



Liquor sanguinis 



129.60 



(Solid constituents 



Amount of blood obtained 



6. Heterodon niger, Catesby (female). Black Yiper. May 21. 

 This reptile had been kept without food for more than two weeks. 



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 matter 

 Fibrin ..... 



Fixed saline constituents 



1000 parts of blood contained — 



Moist blood-corpuscles 210A0 ' 



( Solid constituents 



(Water . 



139.43 

 14.89 

 69.61 

 860.51 

 925.11 



860.51 

 64.01 

 66.16 

 2.16 

 1.04 



202.80 



61.60 

 651.11 



11.83 



230 grains 



7. Psammophis flageUiformis, Catesby (male). Coachwhip Snake. June 13. 



This serpent is active and strong, and its movements, like those of the Black 

 Snake [Coluber constricttor) , are characterized by great swiftness. It had been con- 

 fined without food for one day. Amount of blood obtained, 480 grains. 

 2 



