CASE— AMPHIBIA AND PISCES 



Diacranodiis texeiisis (Cope). X %. Texas. 



1, la. Restoration of the cranium, viewed from above and below. 



2. Specimen exhibiting the jaws in natural articulation. Cotype. No. 7117 



Am. Mus. 

 an, auditory capsule; C.c, cotyloid cavity for articulation of cranial spine; 

 e. c. , ethmoid canal; F,F''-, fontanelles;/', /' ', foramina;/, mas'- > foramen 

 magnum; H.M., hyomandibular; Mck., meckelian cartilage; N., nasal 

 capsule; o./., opthalmic foramen; P. Q., palatoquadrate; p.fosf, pituitary 

 fossa.?; /'Ao./.,postorbital process; >?., rostrum; s.f., supraorbitaUoramen; 

 tr., trabecula; v. a., vestibular aqueduct. 



