1894.] 



ANATOMY OP OENITHORHYNCHTTS. 



709 



one from the shaft of the bone. The muscle is inserted into the 

 first digit ; the superficial portion from the upper extremity of 

 fibula is supplied by a branch of the same nerve which supplies 

 tibialis anticus. 



Fig. 6. 



Muscles of Anterior Surface of Leg and Dorsum of Foot. 



a. Tibialis anticus. 



/3. Extensor longus hallucis. 



•v. Extensor indicis. 



c. Superficial extensor of the toes. 



e. Deep extensor of the toes. 



9. Peroneus longus. 



k. Peroneus brevis. 



Extensor longus digitorum. — There are two long extensors of 

 the toes, superficial and deep. They both arise from the expanded 

 upper extremity of the fibula. Superficial extensor also from part 

 of shaft of bone. They both expand on the dorsum of foot and 

 give tendons to the second, third, fourth, and fifth digits. Super- 



