<i>Text-Book of the Embryology of Invertebrates</i> . By Dr. E. Korschelt and Dr. K. Heider. Translated from the German by Matilda Bernard. Revised and edited with additional notes by Martin F. Woodward. Vol. IV., Amphineura Lamellibranchia, Solenoconcha, Gastropoda Cephalopoda, Tunicata, Cephalochorda. London, Swan, Sonnenschein &amp; Co., Ltd.; New York, The Macmillan Co. 1900. 18s.
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