HEAD SOMITES AND EYE MUSCLES IN CHELYDIIA 



CHARLES EUGENE JOHNSON 



PLATE 9 



n. abd. 



tri. g 



rect. lat 



n.oc.2 



rect. in 



n. oc.i 



rect. sup 



n. troc. 



cil. g. 



oph. art. 



obi. sup. 



na. cil 



op. St. 



obi. inf 



22 



183 



THE AMERICAN JOURNAL OF ANATOMY, VOL. 14, NO. 



