of the Liver 
Fie. 16. Section through the embryo 7 mm. long (No. 2). X 25. T,, first 
thoracic myotome; cv, cardinal vein; wb, Wolffian body; s, stomach; IUpe, 
lesser peritoneal cavity; J, liver; h, heart; st, septum transversum. 
Fic. 17. Semidiagrammatic reconstruction of the veins of the liver of the 
embryo 7 mm. long (No. 2). Viewed from in front. L, liver; wv, umbilical 
vein; m, mesenteric vein; ru, recessus umbilicilis; dv, ductue venosus; ra, 
ramus angularis; ra’, ramus arcuatus; rhd, ramus hepatic dextra; rhs, ramus 
hepatica sinistra. 
Fic. 18. Lateral view of a model of the liver in position of a human em- 
bryo 9 mm. long (No. 163). X12%. O,, eighth cervical myotome; li, liver; 
1, lung; s, stomach; wf, Wolffian body; ph, phrenic nerve; pc, pleuro-peri- 
cardial membrane; pp, pleuro-peritoneal membrane; dc, ductus Cuvieri. 
