X CONTENTS. 



I'AOB 



LoEW, O., & T. BoKOKNY — Silier-rcducing Atiirnal Organs Part 4 619 



Coleman, J. J., & J. G. M'Kendrick — Effects of Very Low Tempera- 

 tures on Living Organisms „ 619 



HEhh's (F. J.) * Compai-ative Anatomy and Physiology ' „ 020 



DoiiRN, A. — Primitive History of the Vertebrate Body Part 5 780 



MiNOT, C. S. — Formative Force of Organisms „ 780 



FoL, H. — Tail of Human Embryo „ 781 



Laulaine, F. — Nature of the Placental Neoformation and the Unity of 



Composition of the Placenta „ 783 



Denikek, J. — Fa'tus of Gibbon and its Placenta , 783 



Brown, H. H. — Spermatogenesis in tlie Eat „ 783 



Gerlacii, L. — Hatching of Birds' Eggs after Lesion of the Shell .. .. „ 784 



Spencer, W. B. — Early Development of Eana temporaria „ 785 



Brook, G. — Development of Motella mustcla „ 785 



Ryder, J. A. — Development of the Salmon „ 786 



Ewart, J. Cm & G. Brook — Spawning of the Cod „ 786 



Eetterer — Development of Vascular Glands „ 787 



Melland, B. — Simplified View of Histology of Striped Muscle-fibre . . „ 787 



HoAVES, G. B. — Atlas of Practical Elementary Biology „ 787 



Lavlaine, F. — Development of Sexuality Part 6 974 



Flemming, W. — Formation of Spindles in Mammalian Ova during the 



Degeneration of the Graafian Follicle „ 975 



KoLLiKER, A. — Significance of Cell-nuclei in the Processes of Heredity . . „ 975 



Selenka, E. — Development of the Opossum „ 976 



Bellonci, J. — Karyokinesis in Segmentation of Axolotl Ovum .. .. „ 976 



Kolliker, A. — Epidermic Cells of Tadpoles „ 977 



Swaen, A. — Early Developmental Stages of Torpedo „ 977 



Ryder, J. A. — Position of the Yolk-Blastopore as determined by the Size 



of the Vitellus „ 978 



„ „ Development of Viviparous Osseous Fishes „ 978 



BiONDl, D. — Origin of the Spermatozoids in the Seminiferous Canals .. „ 979 



List, J. H. — Wandering Cells in Epithelium „ 980 



Barfurth, D. — Comparative Histochemical Observations on Qlycogcn .. „ 981 



B. — Invertebrata. 



Cabriere, J. — Eyes of some Invertehrata Parti 39 



Hogg, J. — Indestructible Infusorial Life „ 39 



Leidy, J. — Organisms in Ice „ 40 



ScHlMKE\YiTSCH, W. — Development of the Heart in Vertebrates and 



Invertebrates Part 2 212 



MuLLENHOFF, K. — Sizc of the Surfaces of Organs of Flight ,, 221 



Halliburton, W. D. — Chitin as a Constituent of the Cartilages of 



Limulus and Sepia „ 222 



NiEMiEC, J. — Morphology of Suckers of Animals Part 3 431 



Vekrill, A. E. — New Coelenterates and Echinoderms „ 432 



Zacharias, O. — Fauna of the Pieces of Water of the Riesengebirge .. „ 433 



Potts, E. — Minute Fauna of Reservoirs - „ 433 



Richard, J. — Action of Cocain on Invertebrates Part 4 621 



MacMunn, C. A. — Enterochlorophyll and Allied Pigments „ 621 



Conn, H. W. — Marine Larvx and their Relation to Adults Part 5 788 



