Vlll 
CONTENTS. 
Gunther, A. — Egg-capsule of Chimsera monstrosa 
Weismann’s (A.) Theory of Heredity 
Gulick, J. T. — Divergent Evolution and Darwinian Theory 
Huge, G. — Degeneration of Ova .. .. 
Bergh, R. S . — Professor EaW’s Memoir on the Theory of the Mesoderm , . 
Ryder, J. A. — Weismann' s Theory of Heredity 
Chiarugi, G. — Human Emhryo 
Waldeyer, W . — Structure of the Placenta in Man and Monkeys 
Will, L . — Development of Platydactylus 
]\IOKGAN, T. H . — Amphibian Blastopore 
Mark, E. L . — Lepidosteus 
PiERSOL, G. A. — Structure of Spermatozoa 
Bemmelen, j. F. van — Inheritance of Acquired Characters 
Hubrecht, a. a. W. — Studies in Mammalian Embryology — The Placenta 
Ryder, J. A . — Acquisition and Loss of Food-yolk, and Origin of the 
Calcareous Egg-shell 
Wiedersheim, R. — Development of Proteus anguineus 
Kellogg, J. L . — Pronephros of Amblystoma punctaturn 
Eigenmann, C. H. — Egg-membranes and Micropyle of Osseous Fishes 
Wilson, H. V . — Developnnent of Serranus atrarius 
Watase, S . — Karyokinesis and Cleavage of Ovum 
Gulick, J. T . — Inconsistencies of Utilitarianism as the Exclusive Theory of 
Organic Evolution 
Houssay, F . — Eynbryolugy of Vertebrates 
Turner, W. — Placenta of Dujong 
MTntosh, W. C., & E. E. Prince — -Development and Life-histories of 
Part 1 
Part 2 
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153 
„ 155 
„ 156 
„ 156 
Parts 307 
„ 307 
„ 308 
„ 308 
„ 308 
„ 309 
„ 309 
Part 4 435 
„ 435 
437 
438 
439 
439 
439 
440 
Part 5 
572 
572 
574 
Teleostean Food- and other Fishes 
Gulick, J. T. — Intensive Segregation 
Lataste, F. — Definition of Species 
Hertwig, O. — Comparison of Oogenesis and Spermatogenesis 
Meyer, H. — Development of the Primitive Kidney in Man 
Minot, C. S. — Theory of the Placenta 
Biehringer, T. — Inversion of the Germinal Layers in Rodents 
Mayo, F. — Development of Superior Incisors and Canines of Sheep 
Erl ANGER, R. von — Blastopore of Anurous Amphibia 
Marshall, A. Milnes, & E. J. Bles — Development of Kidneys in Fat- 
Bodies in the Frog 
„ „ „ Development of Blood-vessels of Frog 
Kastschenko, N . — Process of Maturation in Ova of Selachians 
Fusari, R . — Development of Teleostean Fishes 
Kupefer, C. — Development of the Lamprey 
Part 6 
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J5 
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J5 
574 
690 
691 
691 
692 
693 
693 
693 
693 
694 
694 
695 
695 
696 
|8. Histolog-y. 
Korschelt, E . — Morphology and Physiology of Cell-nucleus Part 2 156 
Lameere, a . — Karyogamic Reduction in Oogenesis 158 
Ryder, J. A. — Karyokinesis in Larval Amblystoma ,, 158 
Looss, A., & J. H. List — Leucocytes in Tail of Tadpole „ 158 
Sanfelice, F. — Origin of the Red Blood-corpuscles „ 159 
Turner, W., & 0. F. Cox — Cell-Theory, Past and Present Part 3 310 
Hofer, Influence of Nucleus on Protoplasm „ 310 
Ei— Biology of the Cell „ 310 
Ruffer, a. — Phagocytes of Alimentary Canal „ 310 
