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Excerpt from The Quarterly Journal of Microscopical Science, 1895, Vol. 38A Criticism of the cell-theory being an Answer to Mr. Sedgwick's Article on the Inadequacy of the Cellular Theory of Development. By gilbert C. Bourne, f..l S., Fellow of New College.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. ...

Unlike some other reproductions of classic texts (1) We have not used OCR(Optical Character Recognition), as this leads to bad quality books with introduced typos. (2) In books where there are images such as portraits, maps, sketches etc We have endeavoured to keep the quality of these images, so they represent accurately the original artefact. Although occasionally there may be certain imperfections with these old texts, we feel they deserve ...

Unlike some other reproductions of classic texts (1) We have not used OCR(Optical Character Recognition), as this leads to bad quality books with introduced typos. (2) In books where there are images such as portraits, maps, sketches etc We have endeavoured to keep the quality of these images, so they represent accurately the original artefact. Although occasionally there may be certain imperfections with these old texts, we feel they deserve ...

Excerpt from Quarterly Journal of Microscopical Science, 1883, Vol. 23: With Lithographic Plates and Engravings on WoodProfessor V. Nageli makes the very widest allowance for bacteria, inasmuch as a harmless form, When brought under suitable conditions, may become the origin of an infectious dis ease, may through generations retain this power, and when again placed under different conditions may change into an inactive form.About the Publisher...

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Unlike some other reproductions of classic texts (1) We have not used OCR(Optical Character Recognition), as this leads to bad quality books with introduced typos. (2) In books where there are images such as portraits, maps, sketches etc We have endeavoured to keep the quality of these images, so they represent accurately the original artefact. Although occasionally there may be certain imperfections with these old texts, we feel they deserve ...

Excerpt from Quarterly Journal of Microscopical Science, 1903, Vol. 46Notes on the Development of Paludina vivipara, with special reference to the Urino-genital Organs and Theories of Gasteropod Torsion. By isabella M. Drummond. (with Plates 7 - 9)About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten...

Excerpt from Quarterly Journal of Microscopical Science, 1878, Vol. 18Again, the tooth of the hake is furnished with a living pulp, richly vascular, the vessels of which enter through the hinge so as not to he put upon the stretch by the movement of the tooth, while the hinged tooth of the pike is a compara tively pulpless structure.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.f...

Unlike some other reproductions of classic texts (1) We have not used OCR(Optical Character Recognition), as this leads to bad quality books with introduced typos. (2) In books where there are images such as portraits, maps, sketches etc We have endeavoured to keep the quality of these images, so they represent accurately the original artefact. Although occasionally there may be certain imperfections with these old texts, we feel they deserve ...

Unlike some other reproductions of classic texts (1) We have not used OCR(Optical Character Recognition), as this leads to bad quality books with introduced typos. (2) In books where there are images such as portraits, maps, sketches etc We have endeavoured to keep the quality of these images, so they represent accurately the original artefact. Although occasionally there may be certain imperfections with these old texts, we feel they deserve ...

Excerpt from The Quarterly Journal of Microscopical Science, Vol. 46: February, 1903The present study has for its purpose the analysis of the behaviour of the common fresh-water planarian into its com ponent factors. It is well known that, aside from the researches of a few investigators on a small number of forms, we have little detailed knowledge Of the behaviour of lower organisms. It is coming to be realised, too, that knowledge Of what an...

Excerpt from Quarterly Journal of Microscopical Science, Vol. 42: With Lithographic Plates and Engravings on WoodIn concluding this preface I must express my sincere gratitude to Professor G. B. Howes for his kindly interest and encouragement, and for revising the proof sheets, and super intending the execution of the plates in my absence from England.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books....

Excerpt from Zoological Articles: Contributed to the "Encyclopaedia Britannica"The mere automatic motility of unicellular organisms was at one time considered sufficient indication that such organisms were animals rather than plants. We now know that not only are the male reproductive cells of ferns and similar plants propelled by vibratile protoplasm, but such locomotive particles are recognized as common products swarm-spores and zoospores o...

Excerpt from Quarterly Journal of Microscopical Science, 1891, Vol. 32: With Lithographic Plates and Engravings on WoodDemonstrator and Assistant Lecturer in Biology and Fellow of Queen's College in the University of Melbourne.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-...

Excerpt from Quarterly Journal of Microscopical Science, 1897, Vol. 39The fact that the tint of the worm is due to contained blood, and not to any pigment in the skin, is readily recognised by the unaided eye when the alternating processes of eversion and retraction of the proboscis or introvert is watched. So long as the introvert is at rest within the body the thorax is coloured, when eversion takes place the tint becomes quite faint (pl. 1,...

Unlike some other reproductions of classic texts (1) We have not used OCR(Optical Character Recognition), as this leads to bad quality books with introduced typos. (2) In books where there are images such as portraits, maps, sketches etc We have endeavoured to keep the quality of these images, so they represent accurately the original artefact. Although occasionally there may be certain imperfections with these old texts, we feel they deserve ...

Excerpt from Quarterly Journal of Microscopical ScienceJohnston (4) erroneously regarded the brain as a double heart, the longitudinal nerve-stems as vessels. Several later authors have fallen into the same error.Rathke (5) carefully avoided it and describes the median and the two lateral longitudinal vessels of Linens.Quatrefages (7) in his Splendid treatise on this group of worms has given an accurate description of the circulatory system of...

Unlike some other reproductions of classic texts (1) We have not used OCR(Optical Character Recognition), as this leads to bad quality books with introduced typos. (2) In books where there are images such as portraits, maps, sketches etc We have endeavoured to keep the quality of these images, so they represent accurately the original artefact. Although occasionally there may be certain imperfections with these old texts, we feel they deserve ...

Excerpt from Quarterly Journal of Microscopical Science, Vol. 27: With Lithographic Plates and Engravings on WoodTwo fragments of this perforate Madreporarian were kindly entrusted to me for study by Professor H. N. Moseley, who had obtained them during the voyage of h.m.s. Challenger.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of a...

Excerpt from Quarterly Journal of Microscopical Science, Vol. 31On the Morphology Of the Compound Eyes Of Arthropods. By S. Watase, Fellow of the Johns Hopkins University. (with Plate XIX)About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconst...