1684.] 



MR. J. B. SUTTON ON THE CRANIAL ARCADE. 



5/1 



fitting term for these so-called vomers. I venture to term them 

 prepalathie, as indicating their anatomical relationship to the palatine 

 bone and their affinity to the palatine portion of the superior maxilla 

 of Mammals. 



Indeed, it seems pretty clear to my mind that, without even 

 entering into the question of development at all, so close is the 

 anatomical harmony of the three pairs of segment — spremaxilla, 

 prepalatine, and palatine — in Fish, Batrachia, Lacertilia, and Mammals, 



Fig. 



2. 



Diagrammatic view of the Eustachian cartilage and related nerves (modified 



from Fraser). 

 E.C. Eustachian cartilage. M.C. Meckel's cartilage. S.C. Styloid cartilage. 

 G.S.P. Great superficial petrosal nerve (vidian). C.X. Chord tympani 

 nerve. III., V., VII., VIII. Cranial nerves. 



that there need he little hesitation in acquiescing in the view here 

 set forth. 



This closes the case for the parasphenoid and the vomer. 



Proc. Zool. Soc— 1884, No. XXXIX. 39 



