THE RABBIT. 



347 



along the dorsal aspect of the corresponding digit, broadens 

 out into a sort of sheath over' the metacarpo-phalangeal 



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.cp.u, extensor carpi ulnaris : ex.d.$, 

 extensor quarti digiti: ex.d.$, extensor quint i digiti; ex.p.i, extensor 

 pollicis et indicir, : 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.fl.d', its tendon to the index digit, 

 cut short : fl.s.d, flexor sublimis digitorum : fl.s.d 2 , its tendon to the 

 second digit partly removed, and its distal end reflected : fl.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 : Ib.l, lb.2, lb.^, lumbricales : r (above), 

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

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



