EXPLANATION OF PLATE XLV. 



Figs. 1-8. Icldhyodectes anaidcs, Cope : flgs. 1-4 and G, one-half natural size ; figs. 5, 7, and 8, natural size; 



from one, tbe type-specimen (see Plate XLIV, fig. 14). 

 Fig. 1. Mandibular rami, lying on a block of yellow cbalk. 



2. Preniaxillary bone, outer side. 



3. Preniaxillary bone, inner aide. 



4. Right maxillary, outer side, 

 f). Sclerotic bones of the same. 



C. Hyomandibular, 8yuii)lectic, and quadrate bones. 



7. Femoral boues, from below; 7 a, from behind. 



8. Pectoral spine. 



Figs. 9-11. Terminal caudal vertebras of Porlhcus molossKS, from above; a, from front; h, from side. 



12. Jaw of Bryactinus amorphus, Cope (p. 282), natural size : a, profile ; 6, masticating face ; c, oppo- 

 site border. From the greeiisaud of New Jersey. 



