31 



Fig. i56.^Skeleton of Skate. {From a preparation.) 



/;.;«., Hyo-mandibular ; sJ., sensory tube ; //.i^r., hypo-branchial, 

 No. 5 ; T'.//-, vertebral plate ; c, coracoid region ; s.7'., spiral valve ; 

 S.C., scapular region ; n.c., nasal capsule ; /.(?■, palato-quadrate- 

 cartilage (upper jaw); ^^-^ Meckel's cartilage (lower jaw); p-pt.., 

 pro-pter>'gium ; m.pi., me.so-pter>'gium ; 771t.pt., meta-pterygium ; 

 st.y Stomach ; /«., pubic bar. 



