ClIAP. I. 
embryonic development. 
15 
% i. 
-L 
' P er Rgnre human embryo, from Kcleer. 
from Iiischoft. 
Lower figure that of a 
(log. 
, c - HlndS^^n-iad 
'o'fitata. cer ebeHum, 
d - Rye. 
e - Rar. 
f - Flr »t visceral arch. 
g. Second visceral arch. 
H. Vertebral columns and muscles in 
process of development. 
i. Anterior ) 
K. Posterior j extremities. 
L. Tail or os coccyx. 
