sion, the first quartette which was vania, we owe the first account of the life history of into outgrowths or projections, constituting the more crepidula. With the results of Prof. Conklin’s inquiry striking features of Fig. 18. These outgrowths are before him, Dr. Dahlgren, head of the department… … After the chromatin has been dis- The First Stages of a Mollusk’s Growth. carries at one end of the beam a tributed equally to the two poles of tight recipient containing ordinary the division spindle the cell body: be- air, while it is balanced at the other gins to divide, as shown in Fig. 2. end…
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