PLATE XXVIII. 
Fig. 1. Gill apace of Emys laiiveriehralis, seen from below, ono-lialf natural size. 
FiG. 2. Plastron of Emya Jativeriehralis, superior face, onc-balf natural size; from the individual figured 
on the preceding figure and preceding plate. 
Fig. 3. Anterior part of plastron of Ernye ciboUensis, from above, one-balf natural size. 
Fig. 4. Eight side of posterior lobe of plastron of the same specimen represented in the last figure and 
in Fig. 4 of the preceding plate. 
Fig. 5. An imperfect marginal bone of the same specimen, from above ; b, from the sutural border. 
Fig. 6. A marginal bone of the same specimen, from above ; b, from the sutural border. 
