PLATE XIII. 



Jurassic Dinosaurs. — Tiieropoda. 



Labrosackidje. 



Page. 

 Fig. 1. Tooth of Labronaurua siiIcoIuk Marsh ; natural size 163 



a, outer view; b, back view; c, inner view. 



Fig. 2. Left dentary bone of Labrvauuriis ferox ilarsh; superior view 163 



Fig. 3. The same bone ; lateral view ; outer side 163 



Fig. 4. The same bone ; lateral view; inner side 163 



All three figures are one-sixth natural size. 

 Fig. 5. Pelvis of Labrosaurus fragilis Marsh; seen from the left; one-twelfth 



natural size (outline of ilium from Creosaurua atrox Marsh) 163 



a, acetabulum; il, ilium; in, ischium; p, pubis. 



270 



