5 8o 



E. B. BRANSON 



the exoccipitals a small round foramen for the exit of the vagus and 

 glossopharyngeal nerves appears. Quenstedt figures 1 this foramen 

 in Mastodonsaurus, and Fraas figures 2 it in Cyclotosaurus, but in 

 both these forms it is on the outer side of the bone. 



The opisthotics are separate elements in Anaschisma, as in Cyclo- 

 tosaurus and Capitosaurus. They are very short and slender. They 



Fig. 3.- — Anaschisma browni; hinder view of occiput, one-fourth natural size. 



co, condyle; eo, epiotic; eoc, exoccipital; fm, foramen magnum; fo, posttemporal foramen; op, 

 opisthotic; ps, prosquamosal; pt, pterygoid; q, quadrate; qj, quadratojugal; so, supraoccipital;";|vg, 

 foramen for the vagus and glossopharyngeal nerves. 



-.:• ; 



Fig. 3a. — Anaschisma browni; photograph of hinder view of occiput. 



pass diagonally upward and outward from the exoccipitals to articu- 

 late with the. epiotic at the outer end. The suture between them 

 and the epiotic is not distinct. 



Mandibles. — The left ramus of the mandible of A and the right 

 ramus of B were procured with the skulls. A small part of the 

 anterior end of A is missing, but B is almost complete, and the sutures 



1 Die M astodonsaurier im griinen Kupersandsteine Wurttemberg' s siud Batrachier 

 (1850), Table II, Fig. 4. 



2 Paleontographica, Vol. XXXVI, Plate XI, Fig. 1, p. 132. 



