Hypencephalon ( Kupffer, 1893 ) : Synonym for hypothalamus (Kuhlenbeck, 1927) for anamniote embryos; in German, "unterhirn", pp. 51, 94 and Figs. E,F-17-19; also see His (1893b, Fig. 1-H) for human embryo.

Parencephalon ( Kupffer, 1893 ) : Synonym for thalamus (His, 1893a); in the original German, Nebenhirn, p. 61 and Fig. F-p.