CASE— AMPHIBIA AND PISCES 



- — M'^^S 



Mck. 



Diacranodui texensis (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. j\lus. 

 au, auditory capsule; (T. c, cotyloid cavity for articulation of cranial spine; 

 e. c . , ethmoid canal; F,F'^, fontanelles;y', /", foramina;/, mag. , foramen 

 magnum; H.M., hyomandibular; 3/ck., meckelian cartilage; N., nasal 

 capsule; o.f., opthalmic foramen; P.O., palatoquadrate; /.yb.;.?, pituitary 

 fossa.?; Pt.o.p., postorbital process; R., rostrum; s.f., supraorbital foramen; 

 ^r., trabecula; v.a.^ vestibular aqueduct. 



