The works of Francis Maitland Balfour, Volume 4 (of 4)

by Francis M. Balfour

Fig. 1. Section through the trunk of the embryo.

Figs. 2, 3. Sections through the hind end of the medullary groove.

Fig. 4. Section through the neurenteric canal.

Fig. 5. Section through the primitive streak.

Fig. C. Surface view of a somewhat older embryo than that represented in Fig. B. × 30.

[4] The spaces between the layers in these sections are due to the action of the hardening reagent.

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EXPLANATION OF [PLATES 30], [31], AND [32]. (XVII. p. 668.)

[Plate 30].

Complete List of Reference Letters.