Infund. 



l. V. C. 



1. Dorsal view of wax-plate reconstruction of the pharynx in Embryo VI. 



2. Lateral view of wax-plate reconstruction of the pharynx in Embryo VI. 



3. Lateral view of wax-plate reconstruction of the cloaca in Embryo VI. 



4. Lateral view, from the left, of wax-plate reconstruction of the muscular tube of the heart in Embryo VI. 



5. Lateral view, from the rij<ht, of wax-plate reconstruction of the brain in Embryo VI. 



For abbreviations see page 1*0 



