16 Gen. Sub. general subjects. 
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Virchow, R. [See Heredity]. Acclimatisation. (58 Versammlg. Naturf. 
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Wilckens, M. Ueber das Geschlechtsverhiiltniss und die Ursachen der 
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Zaciiarias, O. Konnen die Rotatorieu und Tardigraden nach vollstan- 
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No ! it is only the ova which develope. 
. [See Reprod ] Influence of nutrition on asexual production. 
4. Heredity. 
Barfurth, D. Biologie der Forellen. Arch. mikr. Anat. xxvii, pp. 
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The influence of hindered spawning is not confined to modifying 
ovary, but the mature elements afterwards produced result in degenerate 
trouts. 
Bertiiold, G. Studieu fiber Protoplasma-mechauik. Leipzig : Felix, 
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Just as the connection between the individual stages of one and the 
same form, so the connection botwoeu generations is effoctod by the 
chemical continuity of the constituent substances, aud by the definite 
morphological composition of the reproductive elements. 
GadiSac & Malet. Sur la transmission de la morve de la mere au foetus. 
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Only rarely transmitted. 
*Cattaneo, G. Review of Weismann’s theory. Bull. Soc. Maggi. vii, 
pp. 120-124. 
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Critical review of recent contributions to theory of heredity. Specific 
characters transmitted by the nuclei ; general characters through the pro- 
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. Family Likeness in Stature. T. c. pp. 42-73. 
