Lectures on the Elements of Comparative Anatomy |
From inside the book
Results 1-5 of 88
Page 21
... external covering . These two layers are shown in the accompanying diagram- Fig . 5 . Wabes B T 11 a III F IV Fig . 5. - Diagrams illustrative of the mutual relations of the Hydrozoa . - 1 . Hydra . 2. Sertularian . 3. Diphyes . 4 ...
... external covering . These two layers are shown in the accompanying diagram- Fig . 5 . Wabes B T 11 a III F IV Fig . 5. - Diagrams illustrative of the mutual relations of the Hydrozoa . - 1 . Hydra . 2. Sertularian . 3. Diphyes . 4 ...
Page 22
... external surfaces are directly in contact with the surrounding medium . No nervous system has yet been discovered in any of these animals . The majority of them seize their prey by means of tentacula developed either around the mouth ...
... external surfaces are directly in contact with the surrounding medium . No nervous system has yet been discovered in any of these animals . The majority of them seize their prey by means of tentacula developed either around the mouth ...
Page 23
... external appearance , differ from the Hydrozoa by a very im- portant further progress towards complexity . We found that in the Hydrozoa the digestive cavity was completely outside the general cavity of the body , the digestive portion ...
... external appearance , differ from the Hydrozoa by a very im- portant further progress towards complexity . We found that in the Hydrozoa the digestive cavity was completely outside the general cavity of the body , the digestive portion ...
Page 25
... external medium . All the Polyzoa possess a nervous system , the characters and position of which are very well defined . It consists of a single ganglion ( Fig . 8 , w ) , placed between the oral and the anal apertures , and sending ...
... external medium . All the Polyzoa possess a nervous system , the characters and position of which are very well defined . It consists of a single ganglion ( Fig . 8 , w ) , placed between the oral and the anal apertures , and sending ...
Page 26
... throughout the Polyzoa . In the next division , the BRACHIOPODA , which are animals . differing very much in external appearance from the Polyzoa , we shall find , nevertheless , a singular fundamental resemblance 26 ON CLASSIFICATION .
... throughout the Polyzoa . In the next division , the BRACHIOPODA , which are animals . differing very much in external appearance from the Polyzoa , we shall find , nevertheless , a singular fundamental resemblance 26 ON CLASSIFICATION .
Other editions - View all
Common terms and phrases
alisphenoid allantois Amphibia anchylosed animals anteriorly aperture articular articulated auditory capsule basi-occipital basi-sphenoid becomes Birds body bony brain-case cartilage cartilaginous cartilaginous cranium cerebral Cetacea chamber characters cloth coalesce corresponding cranial cavity cranium Cuvier decidua developed DISEASES distinct division edge embryo Engravings epiotic ethmoid ex-occipital external Fcap fenestra fishes foetal foramen fossa front frontals groove hyoidean hyomandibular inner intestine lateral layer lobes lower jaw Mammalia Mammals mandible maxilla median membrane middle line nasal nerves nervous notochord occipital olfactory opisthotic orbital orbito-sphenoids organs osseous ossification outer pair palatine palatine bones parietal pars mastoidea pars petrosa periotic bones petrosa Pike pituitary placenta plate Post 8vo posterior posteriorly premaxilla premaxillæ presphenoid pro-otic pterygoid quadrate bone Reptiles sacs Scolecida Second Edition segment semicircular canal separated septum side skull sphenoid spinal squamosal structure supra-occipital surface temporal bone third tympanic tympanic cavity upper vertebral Vertebrata vesicle visceral arches vomer wall
Popular passages
Page 22 - STOWE, MRCS A TOXICOLOGICAL CHART, exhibiting at one view the Symptoms, Treatment, and Mode of Detecting the various Poisons, Mineral, Vegetable, and Animal. To which are added, concise Directions for the Treatment of Suspended Animation.
Page 20 - MD, FRSE MEDICAL CLIMATOLOGY ; or, a Topographical and Meteorological Description of the Localities resorted to in Winter and Summer by Invalids of various classes both at Home and Abroad. With an Isothermal Chart. Post 8vo.
Page 10 - ON THE CONTAMINATION OF WATER BY THE POISON OF LEAD, and its Effects on the Human Body. Foolscap 8vo. cloth, 3s. 6d.
Page 24 - THE CHANGE OF LIFE IN HEALTH AND DISEASE: a Practical Treatise on the Nervous and other Affections incidental to Women at the Decline of Life. Second Edition. 8vo. cloth, 6s.
Page 7 - Diagrams of the Nerves of the Human Body, exhibiting their Origin, Divisions, and Connexions, with their Distribution to the various Regions of the Cutaneous Surface, and to all the Muscles. By WILLIAM H. FLOWER, FRCS, FRS, Hunterian Professor of Comparative Anatomy, and Conservator of the Museum, Royal College of Surgeons. Third Edition, containing 6 Plates.
Page 4 - MR. ROBERT B. CARTER, MRCS ON THE INFLUENCE OF EDUCATION AND TRAINING IN PREVENTING DISEASES OF THE NERVOUS SYSTEM.
Page 5 - SIGHT, IMPAIRED VISION, AND THE MEANS OF ASSISTING SIGHT. With 31 Illustrations on Wood. Second Edition. Fcap. 8vo. cloth, 7s.
Page 4 - DR. DANIEL H. TUKE. A MANUAL OF PSYCHOLOGICAL MEDICINE: containing the History, Nosology, Description, Statistics, Diagnosis, Pathology, and Treatment of Insanity. Second Edition. 8vo.
Page 5 - MR. HT CHAPMAN, FRCS THE TREATMENT OF OBSTINATE ULCERS AND CUTANEOUS ERUPTIONS OF THE LEG WITHOUT CONFINEMENT.
Page 301 - We have before called the attention of both students and practitioners to the great advantage which Mr. Churchill has conferred on the profession, in the issue, at such a moderate cost, of works so highly creditable in point of artistic execution and scientific merit.