THE RABBIT. 



347 



along the dorsal aspect of the corresponding digit, broadens 

 out into a sort of sheath over the metacarpo-phalangeal 



a 



flpd fl.cp.r 



3 a? 



FIG. 66. Lepus cuniculus. Muscles of the manus. A, dorsal ; 

 B, ventral (nat. size). 



I 5> the digits : ab.d.$, abductor minimi digiti : ab.p, abductor 

 pollicis : an. I, annular ligament : ex.c.d, extensor communis digitorum : 

 ex.cp.r, extensor carpi radialis : ex.cf>.u, extensor carpi ulnaris : ex.d.^ 9 

 extensor quart! digiti : ex.d.$, extensor quinti digiti ; ex.p.i, extensor 

 pollicis et indicis : fl.p.d.m, flexor brevis minimi digiti : fl.p.p, flexor 

 brevis pollicis \fl.cp.r, flexor carpi radialis : fl.cp.u, flexor carpi ulnaris : 

 fl.p.d, flexor profundus digitorum : fl.fi. d 2 , its tendon to the index digit, 

 cut short : fl.s.d, flexor sublimis digitorum : fl.s.d-, its tendon to the 

 second digit partly removed, and its distal end reflected : ft.s.d^, its 

 tendon to the fourth digit partly removed, and having the sheath it forms 

 over the metacarpo-phalangeal articulation cut through and reflected 

 right and left: io, interossei : lb. 1,7^.2, $.3, lumbricales : r (above), 

 radius : r (below), retinacula, those of the second digit cut through and 

 reflected to show the insertion of the flexor sublimis : //, ulna. 



