KEACHITOMOUS VERTEBRAE 



593 



Paul Miller on Craddock's Ranch intimately associated with the 

 remains of Trematops described by myself. The parts recovered 

 consist of a nearly complete humerus, radius, ulna, numerous carpal 

 and digital bones, a pelvis lacking part of the ischia and pubis, 

 and a more or less connected series of nineteen vertebrae. The 



Fig. 2. — Trispondyhis texensis Will. A, right humerus, ventral; B, the same, 

 outer; C, right radius, dorsal; D, right ulna, dorsal; E, right ilium, outer; F, left femur, 

 inner side. All figures one-half natural size. 



vertebrae are in five series, three dorsal of three each, eight in 

 another comprising two lumbar, three sacral, and three caudal, and 

 two additional connected caudals. None of the spines of the verte- 

 brae are preserved complete, but they are all evidently short. The 

 centra are of nearly uniform length, a little shortened in the 

 lumbar region, obtusely keeled below, or rather with the sides 

 "pinched in." The ribs are double headed, the diapophyses anteri- 



