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BIBLIOGKAPHY. 
Boohs : — 
Brady, G. Stewardson : A Monograph of the Free and Semi-parasitic Copepoda 
of the British Islands. Vol. I. (With 33 plates.) (Kay Society.) 
Gange, 0. ; Optical Researches on the Metalloids and their Combinations. 
Haeckel, E. : The Kingdom Protista. A Popular Survey of the Lowest 
Beings. With a Scientific Appendix: System of the Protista. (With 58 wood- 
cuts.) (Leipzig.) 
Hertwig, O. and R. : The Nerve System and the Organs of Sense of the 
Medusae. (With 10 lith. plates.) (Leipzig.) 
Hertwig, 0. and R. : The Organization of the Medusae. (With 3 plates.) 
(Jena.) 
Hess, W. : The Invertebrate Animals of Fresh Water. (With 150 woodcuts.) 
Orth, Job. : Course of Normal Histology. — An Introduction to the Use of the 
Microscope as well as the Practical Study of Histology. (With 100 woodcuts.) 
(Berlin.) 
Pelletan, Dr. J. : Manual of Normal Histology. (With 101 woodcuts.) (Paris.) 
Pouchet, G., and F. Tourneux : Precis of Human Histology and of Histogeny. 
Second Edition. (With 218 figures.) (Paris.) 
Rodriguez, A. S. : The Trichinae and Trichinosis in Spain. (Madrid.) 
Treub: Some Researches on the role of the Nucleus in the Division of the 
Vegetable Cells. (Amsterdam.) 
Journals, Transactions, &c. 
Quarterly Journal of Microscopical Science for October : — 
Memoirs : — 
On the Oral and Apical Systems of the Echinoderms. By P. Herbert 
Carpenter, M.A., Assist. Master at Eton College. Part I. (With 11 woodcuts.) 
On the Structure and Development of the Vertebrate Ovary. By F. M. 
Balfour, M.A., Fellow of Trinity College, Cambridge. (With 3 plates.) 
The Reproduction of Lichens and the Sexuality of the Ascomycetes. By 
Sidney H. Vines, M.A., Christ’s College, Cambridge. (With a plate.) 
Notes and Memoranda : — 
Recent Observations on Botrydium granulatura. 
Motility of the Spermatozoids of Limulus. 
The Early Developmental Changes in the Reptilian Ovum. 
Recent Researches on Bacteria. 
The Development of Calcareous Sponges. 
Annals and Magazine op Natural History for September : — 
On the Nauplms and Pupa Stage of Suctoria. By Professor Alfred Giard. 
Studies on Fossil Sponges. II. Lithistidae. By Karl Alfred Zittel. {Continuation.') 
(With a plate.) 
On the Mode of Development of the Tentacles in the Genus Hydra. By 
M. C. Mereschkowsky. (With a plate.) 
Miscellaneous . — On the Relation of Amceba quadrilineata and Amoeba verrucosa. 
By Dr. Leidy. (From ‘Proc. Acad. Nat. Sci. Phil.,’ April, 1878.) 
For October : — 
On the SyringosphreridoB, an Order of Extinct Rhizopoda. By Professor 
P. Martin Duncan, M.B. (Lond.), F.R.S., &c. 
On the probable Nature of the Animal which produced the Stroinatoporidae, 
traced through Hj^dractinia, Millepora alcicornis, and Caunopora to Stromatopora. 
By H. J. Carter, F.R.S., &c. 
Studies on Fossil Sponges. II. Lithistidse. By Karl Alfred Zittel. 
