486 



G. — Muscles of the Wrist and Hand. 



1. M. supinator radii longus, 0*02 oz, 



Inserted into carpal bone of thumb. 



2. M. extensor carpi radialis (longior), 0*03 oz. 



Inserted into the distal end of the metacarpal of index. 



3. M. extensor digitorum communis, 0*02 oz. 



Distributed to second, third, fourth, and fifth fingers. 



4. M. extensor primi digiti (indicator), 0*01 oz. 



5. M. extensor minimi digiti, 0-01 oz. 



6. M. extensor carpi ulnaris, 0*03 oz. 



Inserted into near end of metacarpal of little finger. 



7. M. extensor ossis metacarpi pollicis, 0*02 oz. 



Its tendon crosses those of sup. rad. long, and ex. carp, radialis, and 



is inserted into the outer side of the base of metacarpal of thumb. 



8. M. supinator radii brevis, 0*01 oz. 



9. M. pronator radii teres, 0'03 oz. 



10. M. palmar is long us, 0*01 oz. 



Inserted into the tendon of the flex. prof, in the palm. 



11. M. flexor carpi radialis, 0*02 oz. 



12. M. flexor carpi ulnaris, 0*05 oz. 



13. M. flexor digitorum communis, 0*07 oz. 



/cr 7 7 - . , /. 7 f sublimis, . . 0*03 oz. 

 (Subhmu et profundus, [ . 0 . 04 oz . 



14. M. pronator quadratus, 0-01 oz. 



J. — Abdominal Muscles (Opossum). 



1. M. externus obliquus, 0*32 oz. 



Its origin was similar to that described by Prof. Owen in the case 

 of the Phalanger ; and its insertion was into the upper and outer half 

 of the Marsupial bone. 



2. M. pyramidalis, 0-05 oz. 



Arises from the whole inner margin of the marsupial bone, and is inserted 

 into the raphe from the symphysis pubis as high up as two inches 

 below the end of the sternum. 



3. M. rectus abdominis, 0*21 oz. 



Arises from the inner margin of the marsupial bone inside the origin 



of the pyramidalis ; and is inserted along the raphe below the end of 

 the sternum, sending upwards a strong distinct slip, which passes 

 under the pectoral muscles and below a remarkable intercostal muscle 



