No. 408.] STUDY OF MAMMALIAN EMBRYOLOGY. 935 
No. ttal sect Aur., auricle of the heart; pe JF. 
Fic. 8. — Pig of 12.0 mm. re Fagit n 25. 
facial gan lion complex ; ‘Ce. , ceelom d the — - pericardial —Ó erv.S., div erie. 
ulum of the cervical sinus, ‘oot in front of eps vend anlage of the 2 D is 
deeply Mund: G.jug., ganglion jugulare dena [^s e; G.nod., ganglion n of 
the vagus nerve; G. wd gang ad 
of the trigeminus nerve; Ja teral wall of the cerebral hemisphere ; Jug., jugular vein ; Jug. y 
behind the trigeminus ; ye ug." , branch in front of the trigeminus ; Jug. 
vagus; Jug." » main stem desc i in oe ‘uvi 
ture, y Probably t the anlage of ble: 
gem nerve; N.o., optic Fen Nx: 
ei ssus lateralis of se fourth gece d ; 
r hypoglossal nerve; Ot., 
da 
vein; Vent., ventricle of the heart. x 22 diam 
e., small branch’ ot PAK cone 
