. 
Fig. J,—Tue Dicir with THE Hoor REMOVED, FLEXED AND. VIEWED FROM BEHIND 
A. Sensitive sole; B. Sensitive lamine that were interleaved with the horny lamine of the bar 
F, The pyramidal body, or sensitive frog; L. Lateral lacuna of.the same; M. Median lacuna of the 
same; Q. Q. Fibrous sheath uniting the two branches of the perforatus; R. Branches of the per- 
foratus passing to be inserted into the os coronz; T. Tendon of the perforatus; T’. Tendon of the 
perforans, in its passage between the branches of the perforatus; V. Reinforcing sheath of the 
plantar aponeurosis ; X, Attachment of the same to the side of the os suffraginis. . 
Fig, I].—Verticat MEsIAL SECTION OF THE DicIT. 
“A. Os pedis; B. Coronary cushion; C. Coffin-joint; D. Navicular bone; E. Os corone 
F. Pastern-joint ; H. Branch of the perforatus at its insertion into the lateral aspect of the os coronz ; 
I. Insertion of the plantar aponeurosis into the semilunar crest ; K. Os suffraginis; L. The perforatus 
tendon ; M. Ligament of yellow fibrous tissue which unites the anterior face of the perforans to the 
posterior face of the os coronz, and separates the inferior cul-de-sac of the great sesamoid sheath from 
that of the synovial membrane of the coffin-joint; N. Protrusion of the synovial membrane of the 
corono-pedal joint between the navicular bone and the os pedis; O. Small sesamoid sheath; P. Synovial 
membrane of the coffin-joint in contact superiorly with the great sesamoid sheath, from which it is 
separated by the yellow transverse ligament M.; T. Tendon of the perforans ; Y. Fetlock joint. 
Fig. III,—Arrerizs oF THE Dict, 
A. A. Digital artery; C. Perpendicular artery at its origin; H. One of the posterior branches 
(rameaux echelonnes) for the perforans tendon; J. Another of the same; K. Origin of the artery of 
the plantar cushion; M. Origin of the anterior branch of the coronary circle; M’. Posterior branch 
_ of the same circle; R. Origin of the preplantar artery ; S. Plantar artery in the plantar groove and in 
the os pedis, torming with the opposite artery the semilunar anastomosis ; V. V. Descending branches 
from the semilunar anastomosis. 
Fig. [V.—TuHe Hoor—piantar aspect. 
P. P. Region of the toe; S. Sole; L. Frog; A. Line indicating the junction of the wall and sole; 
B. Angle of inflexion of the wall, showing the continuity of the wall and bar; E. Inferior edge of the 
bar; F. Lateral lacuna of- the frog; G. Bulbs of the frog ; Q. Median lacuna of the eh U. Regions 
of the quarters; O. Regions of the heels, 
Fig. V,.—EXTREMITY OF THE DiGIT wiTH THE HooF REMOVED—VIEWED FROM THE SIDE, 
' 
A. B, Plantar cushion with its villosities ; D. Groove between the plantar cushion and the perioplic 
ring; E. Perioplic ring; F. Inferior border of the plantar cushion; G. Sensitive laminee ; H. Villosities 
which terminate the lamina. 
Fig. VI.—ANTERO-POSTERIOR MESIAL SECTION OF THE HooF—SHOWING ITS INTERIOR. 
M. Series of horny lamina; O. Section of the wall; P. Section of the sole; s. Upper edge of the 
periople above the cutigeral grove; T. Section of the frog; X. Cutigeral groove. 
