1898.] MYOLOGY OF THE TEUEBSTKIAL CAEIS^IVOEA. 179 



(6) The palmaris longus externus alone is present. 



(7) The flexor prof imdus digitorum does not usually send a slip 



to the pollex. 



(8) The pronator quadratus occupies the whole length of the 



radius and ulna. 



(9) The supinator longus is absent. 



(10) The flexor brevis digitorum manus is rarely present. 



(11) The caudo-femoralis is absent. 



(12) The ilio-tibialis is double. 



(13) The semitendinosus never has a caudal head. 



(14) The soleus is absent. 



(15) The flexor brevis digitorum pedis has no fleshy belly in the 



sole. 



(16) The tibialis posticus is often absent. 



(17) The accessorius is often absent. 



Cawib^. 



(1) The mylo-hyoid does not reach the symphysis menti. 



(2) The omo-hyoid is always absent. 



(3) The rhomboideus capitis is always present. 



(4) The cephalo-humeral is inserted into the humerus. 



(5) The pronator radii teres is usually inserted above the middle 



of the radius. 



(6) The palmaris longus is usually absent. 



(7) The pronator quadratus occupies the whole length of the 



radius and ulna. 



(8) The supinator longus is absent. 



(9) The flexor brevis digitorum manus is absent. 



(10) The caudo-femoralis is absent. 



(11) There is no gluteus ventraUs (quartus). 



(12) The ilio-tibialis is usually double. 



(13) The semitendinosus never has a caudal head. 



(14) The soleus is absent. 



(15) The tibialis posticus is absent or very rudimentary. 



(16) The flexor brevis digitorum pedis has no fleshy belly in the 



sole. 



(17) The accessorius is usually absent. 



TJusiDiE. 



(1) The omo-hyoid is always present. 



(2) The rhomboideus capitis may or may not be present. 



(3) The cephalo-humeral is inserted into the huDierus. 



(4) The flexor longus cubiti (biceps) is almost always bicipital. 



(5) The coraeo-brachialis longus is present. 



(6) The pronator radii teres is inserted into the lower end of the 



radius. 



(7) The palmaris longus is often absent. 



(8) The pronator quadratus is attached to the lower third of the 



radius and ulna. 



(9) The supinator longus is present. 



12* 



