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according alimentary canal amnion anterior aorta appearance arches arteries becomes beginning blastoderm blood body branches called cartilage cavity cells central changes chick close commencing completely connected consists continuous course described distinct divided dorsal duct embryo entirely epiblast epithelium external extreme fifth fissure folds formation formed forward fourth day front give groove grows growth head heart hind hollow hypoblast immediately important increase inner investing later layer lens lower marked mass matter medullary membrane mesoblast middle narrow nearly nerve notochord nuclei observed optic optic cup optic vesicle origin outer pair passes portion position posterior present primitive rapidly region remains represented round running seen segmentation separated shew side somatopleure space splanchnopleure stage stalk subsequently superior surface takes place thickened third day tube unite upper veins ventricle vertebral vesicle visceral wall whole Wolffian yolk
Сторінка 209 - ON THE ALGEBRAICAL AND NUMERICAL THEORY OF ERRORS OF OBSERVATIONS AND THE COMBINATION OF OBSERVATIONS.
Сторінка 222 - ANATOMY. LESSONS IN ELEMENTARY ANATOMY. By ST. GEORGE MIVART, FRS, Lecturer in Comparative Anatomy at St. Mary's Hospital. With upwards of 400 Illustrations. i8mo. 6s. 6d. " It may be questioned whether any other work on anatomy contains in like compass so proportionately great a mass of information.
Сторінка 218 - The object of this work is to supply students and field-botanists with a fuller account of the Plants of the British Islands than the manuals hitherto in use aim at giving.
Сторінка 228 - Flower (WH) — AN INTRODUCTION TO THE OSTEOLOGY OF THE MAMMALIA. Being the Substance of the Course of Lectures delivered at the Royal College of Surgeons of England in 1870.
Сторінка 218 - Henslow. — THE THEORY OF EVOLUTION OF LIVING THINGS, and Application of the Principles of Evolution to Religion considered as Illustrative of the Wisdom and Beneficence of the Almighty. By the Rev. GEORGE HENSLOW, MA, FLS Crown 8vo. 6s.
Сторінка 212 - HEMMING— AN ELEMENTARY TREATISE ON THE DIFFERENTIAL AND INTEGRAL CALCULUS, for the Use of Colleges and Schools. By GW HEMMING, MA, Fellow of St. John's College, Cambridge. Second Edition, with Corrections and Additions. 8vo.
Сторінка 217 - I propose to show in this book that a man's natural abilities are derived by inheritance, under exactly the same limitations as are the form and physical features of the whole organic world.
Сторінка 232 - AN INTRODUCTION TO ARISTOTLE'S RHETORIC. With Analysis, Notes, and Appendices. By EM COPE, Fellow and Tutor of Trinity College, Cambridge. 8vo.
Сторінка 211 - Master of Gonville and Caius College, Cambridge. AN ELEMENTARY TREATISE ON TRILINEAR COORDINATES, the Method of Reciprocal Polars, and the Theory of Projectors.