Fig. 9. — Embryo about 3 cm. long. Enlarged 6 times. 



All vessels except tbose immediately conuected with the thoraco epigastric 

 vein are omitted. 



Pars axillaris V.te, axillary portion of thoraco epigastric vein; Vv. et a.mi, 

 internal mammary veins and artery; V.te, thoraco epigastric vein; MR, 

 membrana reuniens; A.ep, deep epigastric artery. 



