438 G. E. Wieland — Upper Cretaceous Turtles. 



County, New Jersey, in April, 1872, and numbered 671 in the 

 Marsh Collection, is here made the type of the new species 

 Agomphus masculinus. This specimen undoubtedly pertains to 



Figure 8. — Agomphus masculinus Wieland (sp. nov.). The plastron of 

 the type specimen (No. 671, Marsh Collection), consisting in the ento- 

 plastron, hyoplastra, hypoplastic and right xiphiplastron complete (with 

 the missing epiplastra and left xiphiplastron restored). x T 9 T . 



(1) Bone plates. — ep, epiplastron ; en, entoplastron ; hy, hyoplastron ; hp } 

 hypoplastron ; as, xiphiplastron. 



(2) Hornshields. — h, humeral (in part) ; p, pectoral ; v, ventral ; /, femo- 

 ral ; a, anal ; ii, inframarginal region (above which the axillary inframar- 

 ginal appears completely outlined) ; 6, 7, inner borders of the 6th and 7th 

 marginal shields. 



