42 DISSECTION OF THE CAT 



ner and anterior side of the upper part of the fe- 

 mur. (Plate IV.) 



d. The vastus medius, the smallest division, 

 arises from the lower part of the front of the fe- 

 mur. To expose this muscle the three preceding 

 divisions must be reflected. 



14. The Adductor is a large muscle arising from 

 the pubis and ischium, near the symphysis, and 

 below the origin of the gracilis. It is inserted on 

 the posterior part of the femur, along the linea 

 aspera. (Plates III. and IV.) 



1 5. The Pectineus is a small, thin muscle, arising 

 from the pubis, near the symphysis. It is inserted 

 on the ridge between the lesser trochanter and the 

 linea aspera of the femur, and also on the linea 

 aspera itself. It lies just anterior to the adduc- 

 tor. (Plate IV.) 



16. The Psoas Magnus is the large, cylindrical 

 muscle lying along the dorsal wall of the abdom- 

 inal cavity. It arises principally from the centre 

 of the last two thoracic and of the lumbar verte- 

 brae, and passes out beneath the brim of the pel- 

 vis. It is inserted on the lesser trochanter of the 

 femur. (Plate IV.) 



MUSCLES OF THE NECK. 



I, The Sterno-mastoid Muscle is a long, narrow 

 band which arises from the side of the manu- 

 brium, below the anterior part of the pectoralis 

 major, and is inserted on the skull just above the 

 mastoid process. (Plates II., III., and IV.) 



