On some new Species 0/ Halticinae. 223 



in the "plastic clay" of England (1845), and in the "con- 

 glomerate de I'argile plastique " at Meudon, France (1856) *, 

 of the elements toward a restoration of which we might have 

 long remained in doubt had they continued to be made known 

 to us as parts of a Bathnodon or LoxolojpJiodon f. 



EXPLANATION OF THE PLATES. 

 Plate X. 



Fig, 1. Under view of anterior trunk-vertebra (one fifth nat. size) of 



Chondrosteosaurus. 

 Fig. 2. Upper \'iew of the same vertebra (one fifth nat. size) of ditto. 

 Fig. 3. Upper view of a similar, but more mutilated, vertebra (much 



reduced) of ditto (after Cope) . 

 Fig. 4. Side view of a dorsal vertebra (after Cope), much reduced, of 



ditto. 

 Fig. 5. Longitudinal vertical section of a dorsal vertebra of a Poihilo- 



pleiiron. 

 Fig. 6. Longitudinal horizontal section of a cervical vertebra of an eagle 



{^Haliceetus alhicilla). 



Plate XI. 



Fig. 1. Bones of the left fore foot, Coryphodon (after Marsh, much 



reduced). 

 Fig. 2. Bones of the left hind foot, Coryphodon (ditto, ditto). 

 Fig. 3. Outline of skull and cerebral cavity, Coryphodon (ditto, ditto). 

 Fig. 4. Bones of the fore foot, Acerotlierium (reduced) . 

 Fig. 5. Ditto, Hhinoceros (reduced). 

 Fig. 6. Ditto, Orohippus (ditto). 

 Fig. 7. Ditto, Hipparion (ditto). 

 Fig. 8, Ditto, Fquus (ditto). 



XXV. — Characters of undescribed Sjyecies q/" Halticinse. 

 By Joseph S. Baly, F.L.S. 



[Continued from ser. 5, vol. i, p. 322.] 



(EdionycMs hitceniata, Clark, MS. 



(E. subelongato-ovata, postiee paullo ampliata, convexa, pallide 

 flava, femoribus posticis apice, seutello olytrisque (his basi excep- 

 tis) nigris ; elytris crebre, sat fortiter punctatis, cyaneis, limbo 



* Hebert, ' Annales des Sciences Nat.' t. vi. p. 87, pis. iii. and iv. (1856). 



t " The Museum of Yale College contains a large collection of Cory- 

 phodon remains from Utah, Wyoming, and New Mexico ; and this mate- 

 rial is amply sufficient to indicate aU the more important characters of 

 the group. Among these specimens are portions of the same individuals 

 described by Cope under the names Bathmodon and Loxolophodon^ both 

 of which are synonyms of Coryphodon " (Marsh, American Journal of 

 Science and Arts, vol. xiv. July 1877, p. 81). 



