Cope.] 1^ [April 17, 



the centrum. The neural spine is slender and rather elevated, and is sub- 

 cylindric at the base, and has a narrow compressed apex, with rounded 

 extremity. The chevron bones are quite slender. 



The shaft of the femur is nearly straight, and its distal half is moderate- 

 ly compressed from before backwards. The tibia is generally flattened. 

 Its interosseous border is shorter than its internal border, and is strongly 

 concave. The internal border is gently convex. The shaft is narrower than 

 the proximal end, which is narrower than the distal end. The fibula has 

 an enlarged subtriangular head. The shaft is gently curved, the concav- 

 ity being, as in the case of the tibia, on the interosseous side. The inter - 

 medio-calcaneum, or, according toBaur's view, the astragalocalcaneum, is 

 much the largest bone of the foot. It has a truncate side in contact with 

 the tibia, and a concave interosseous border. The rest of the outline is con- 

 vex, with a slight truncation for the fibula, and one between the tibial 

 border and the posterior notch. The greatest extent of the bone is trans- 

 verse, and the greatest longitudinal diameter is in line with the fibula. The 

 tibiale has a T-shaped outline, but the spaces below the transverse extrem- 

 ity and the shaft are filled to the truncate narrower extremity of the shaft. 

 The wide end also has the angles rounded off. The tarsals of the second 

 row are longitudinal wide ovals, excepting the first, or internal, which is 

 round. 



The extremities of the metatarsals are depressed ovals, and are wider 

 than the middle of the shafts. The phalanges are more depressed. The 

 metatarsals and phalanges of the fifth digit are the shortest, and the lengths 

 of these elements steadily increase to the first. The phalanges of the first 

 digit are lost excepting the first ; and the ungual pbalanges of the third, 

 fourth and fifth are wanting. Adding the latter, we have the following 

 number of phalanges for the digits from the second to the fifth conclusive, 

 4_4_4-3. 



The anterior border of the pubes is concave, leaving a lateral convex 

 border in front of the acetabulum. The pubes of opposite sides meet at an 

 entrant right-angle. The external posterior angles of the ischia are rounded 

 and prominent, since the posterior borders are oblique and meet each 

 other at a deep entrant right-angle. 



Measurements of slab specimen. M. 



Length of a series of five consecutive dorsal vertebra. .041 



Length of second of this series 007 



Elevation " " " 015 



Length of neural spine of do 0065 



Elevation " " " to neural canal 009 



Diameters of a vertebra without spine \ l n „ 



<- transverse 0105 



Diameters of separate centrum of do. < n J* 



t- trans verse 004 



Length of chord of a rib ; apex restored 040 



Width of shaft of do. at middle 0035 



