432 G. B. Wieland — Upper Cretaceous Turtles. 



tially correct as to form and size whenever a complete indi- 

 vidual of tins species is fortunately discovered. A side view 

 of the restoration is shown in figure 1, this being perhaps the 

 best view ; for it was not found possible to bring all the ele- 

 ments into an absolutely symmetrical position, although they 

 are virtually so indicated in the supplementary drawings, 

 figures 2-6. 



2 



Figure 2. — Agomphus tardus. Left lateral view of the carapace of the 

 type with elements present stippled (except 9th marginal). I- VIII and 1-11, 

 the respective pleuralia and marginalia ; e, epiplastron ; h, hyoplastron ; hp, 

 hypoplastron ; x, xiphiplastron. [Actual length of specimen 33 cm .] 



Figure 8. — Agomphus tardus. Eight lateral view of carapace and plastron. 

 Drawn from type with elements present stippled. N, nuchal ; c, c, 3rd and 

 4th costalia. Other lettering as in the preceding figure. 



