. Journal of morphology. Fig. 22 Cross section through the anterior i)art of the orbito-tenii)()ral regionof an embryo having a carapace 7 mm. long, showing the sei^tum infeiorhil alemuch thicker from side to side than in an older embryo. X 15. Fig. 2;i Cross section through the same embryo as the ])receding, somewhatfurther anterior than the previous figure, showing the septum interorbitale (.)made u]) of two parallel plates which later become pressed togetlier on the middleline. X 15. 774 DEVELOPMENT OF THE SKULL OF EMYS PLATE 1 B. W. KUNKKL 24 EXPLANATION OF FIGURE 24 Dorsal view


. Journal of morphology. Fig. 22 Cross section through the anterior i)art of the orbito-tenii)()ral regionof an embryo having a carapace 7 mm. long, showing the sei^tum infeiorhil alemuch thicker from side to side than in an older embryo. X 15. Fig. 2;i Cross section through the same embryo as the ])receding, somewhatfurther anterior than the previous figure, showing the septum interorbitale (.)made u]) of two parallel plates which later become pressed togetlier on the middleline. X 15. 774 DEVELOPMENT OF THE SKULL OF EMYS PLATE 1 B. W. KUNKKL 24 EXPLANATION OF FIGURE 24 Dorsal view of ;i model (jf the chondrocianiuni of an embryo having a cara-pace length of 11 mm. The membrane bones of the right side only are 20 775 2 OF TllK SKI LL^UF EiMYS D. W. KUNKEL


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Keywords: ., bookcentury1900, bookdecade1, booksubjectphysiology, bookyear1912