ALISPHENOID CANAL IX CIVETS AND HY^KAS. 



Text-figure 1 . 



443 



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Left cranial fovaiiiina of Fells with zygoma cut away. 1. optic foramen ; 



2. sphenoidal tissure {foramen lacenim anticiim) : 3. foramen rotuiidum 



4. foramen ovale; A.3i. auditory meatus. 

 The same of GaVnlicHs. . r v i 



The same of Ci'o><mrchvs. <il.' anterior, and ,(?.- posterior orihce ot alisphe- 



uoid canal with liristle passed tliron-h it. 

 The same with outer wall of alisplienoid canal (als.) cut awav. 

 Tlie same of Viverricuht with ])osterior oritice of canal closed. 

 The same with outer wall of canal cut away to show foramen rotundum (3) 



opening into posterior end of canal. 

 The same of Genetta, showing the complete alisplienoid canal concealing tlie 



foramen rotundum. . 



The same with the outer wall of the canal cut away, exposing the foramen 



rotundum opening into it. 



