Nostril 

 Incisor tooth of lower jaw. 



Thyroid gland 



Thymus gland 

 Sternum 



Aorta - 



Left auricle 



Left ventricle — - 



Pericardium 

 Diaphragm- 

 Bile duct 

 Liver 

 Stomach 

 Small intestine— 

 Pancreas 



Blood vessels -- 

 of intestine 



Aperture of urethra 

 Penis— 



Cowper's gland 

 Spermary 



PJiarynx 

 r _iJ Posterior nostril 



\^L Cranium 



^- -Olfactory lobe 



I i — \- - Optic nerve 



\m» w A cranial 

 ■ u\ nerve 



-%~ Cerebrum 



r}/^- Cerebellum 

 -r Medulla, 



Jfiijl ^^ of ear 

 I ~$~~f~ ' 'Spinal cord 

 f-y-~ w Esophagus 



-^--[----Trac/iea 



- - -A nterior vena cava 

 -|- Pulmonary artery 

 4 --Pulmonary vein 

 I Posterior vena cava- 



Left lung 



H — Dorsal artery 



A 7 7 



- -Adrenal capsule 

 - Left kidney 



Hfi&frr-Mesorchium 



Scrotum 

 Urinary bladder 

 Prostate gland 



Sperm duct 



- Uterus masculinus 

 Urethra 

 - -Rectum 



First tail vertebra 



Fig. 215. Dissection of the gray squirrel 



