376 
. Atlas vertebra, seen preaxially, ) 
. Atlas vertebra, seen laterally, f 
. Axis vertebra, seen laterally, the size of nature. 
. Axis vertebra, seen ventrally. 
. Third vertebra, seen laterally. 
. Third vertebra, seen ventrally. 
. Fourth vertebra, seen laterally. 
PROF, ST. GEORGE MIVART ON THE 
PLATE LVIII. 
VERTEBRA OF Plotus. 
twice the natural size. 
. Fourth vertebra, seen ventrally. 
Fifth vertebra, seen laterally. 
. Fifth vertebra, seen dorsally. 
. Fifth vertebra, seen ventrally. 
. Sixth vertebra, seen laterally. 
. Sixth vertebra, seen dorsally. 
. Sixth vertebra, seen ventrally. 
. Seventh vertebra, seen laterally. 
. Seventh vertebra, seen dorsally. 
5 ihe 
. Eighth vertebra, seen laterally. 
. Eighth vertebra, seen dorsally. 
. Eighth vertebra, seen ventrally. 
. Eighth vertebra, seen preaxially. 
. Eighth vertebra, seen postaxially. 
. Ninth vertebra, seen laterally. 
. 24, 
. Ninth vertebra, seen ventrally. 
Seventh vertebra, seen ventrally. 
Ninth vertebra, seen dorsally. 
. Ninth vertebra, seen preaxially. 
. Ninth vertebra, seen postaxially. 
. Tenth vertebra, seen laterally. 
. Tenth vertebra, seen dorsally. 
. Tenth vertebra, seen preaxially. 
. Eleventh vertebra, seen laterally. 
. Eleventh vertebra, seen ventrally. 
. Twelfth vertebra, seen laterally. 
. Fifteenth vertebra, seen laterally. 
. Fifteenth vertebra, seen dorsally. 
. 36. 
Fifteenth vertebra, seen preaxially. 
