156 REPTILIA (the turtle) 



Morphophysiologic Study 

 A. External Morphology 



1. Size. With the animal lying on its back and extended, 

 what is the length from the tip of its nose to the end of its tail? 



2. Shape of the Body. 



(1) Stout or slender? 



(2) Body divisions present? 



3. The Head. 



(1) Size. Small, medium, large, or very large? 



(2) Shape? 



(3) Measurements. 



(a) Length? 



(b) Width? 



(c) Depth? 



(4) Lower Jaw Movement. Vertical or horizontal? 



(5) Color? 



(6) Eyes. 



(a) Position on head? 



(b) Shape? 



(c) Number of eyelids? 



(d) Color of iris? 



(7) Ears. 



(a) Can the turtle hear? 



(b) Is there any external evidence of ears? 



(c) Why is this so? 



(8) Nostrils. 



(a) Where are they located on the head? 



(b) Are they near together or far apart? 



4. The Neck. 



(1) Shape? 



(2) Length? 



(3) Color? 



(4) PecuHarity? 



5. The Limbs. 



(1) The Anterior Limbs. 



(a) Number of digits? 



(b) Are they webbed or free? 



(c) Use? 



