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SALA, L., Experimentelle Untersuchungen iiber die Reifung und 

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SCHAXEL, J., Die Eibildung der Meduse Pelagia noctiluca, etc. Festsch. 

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SCHLEIP, W., Geschlechtsbestimmende Ursachen im Tierreich. Ergeb. 

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SCHNEIDER, K. C., (See ref. Ch. II.) 



SILVESTRI, F., Un nuovo interessantissimo caso di germinogonia (poli- 

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SINETY, R. DE, (Ref. in Ch. IV.) 



STEVENS, N. M., A Study of the Germ Cells of Certain Diptera, with 

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STOCKARD, C. R., The Development of artificially produced Cyclopean 

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SUTTON, W. S., On the Morphology of the Chromosome Group in 

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TENNENT, D. H., The Dominance of Maternal or of Paternal Characters 

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VERNON, H. M., The Effect of Environment on the Development of 

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WHITMAN, C. 0., The Embryology of Clepsine. Q.J.M.S. 18. 1878. 

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WILSON, E. B., Experimental Studies on Germinal Localization. I. 

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