Forms of Animal Life: Being Outlines of Zoological Classification Based Upon Anatomical Investigation and Illustrated by Descriptions of Specimens and of Figures |
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Page xxxviii
... seen in the appearance of the ' primitive groove ; ' by the upgrowth of the walls of which , the cranio - spinal canal and the cerebro - spinal nervous axis are both formed as demi - canals at first , and as closed tubes ultimately , by ...
... seen in the appearance of the ' primitive groove ; ' by the upgrowth of the walls of which , the cranio - spinal canal and the cerebro - spinal nervous axis are both formed as demi - canals at first , and as closed tubes ultimately , by ...
Page lxiv
... seen in Mammals , is very obviously foreshadowed . The transpirable and glandular character of the skin would appear to confer an aerating function upon the vascular ramifications which it contains in great abundance . The lymphatic ...
... seen in Mammals , is very obviously foreshadowed . The transpirable and glandular character of the skin would appear to confer an aerating function upon the vascular ramifications which it contains in great abundance . The lymphatic ...
Page cxviii
... seen in Insecta and Myriopoda , by not possessing the internal spiral thickening , so characteristic of the respiratory tubes in those two classes . The limits within which the variations of the circulatory and ner- vous systems may ...
... seen in Insecta and Myriopoda , by not possessing the internal spiral thickening , so characteristic of the respiratory tubes in those two classes . The limits within which the variations of the circulatory and ner- vous systems may ...
Page clxv
... seen to give off vessels into the body ; and they are said to communicate with the exterior , and thus to become analogous to the water - vascular rather than , as is often said , to the circulatory system of higher animals . The so ...
... seen to give off vessels into the body ; and they are said to communicate with the exterior , and thus to become analogous to the water - vascular rather than , as is often said , to the circulatory system of higher animals . The so ...
Page 2
... seen , firstly , the fourth lobe of the right lung in its pleural cavity resting on the diaphragm below , and in ... seen to pass in front of the root of the left lung in company with the phrenic nerve round to the back of the heart to ...
... seen , firstly , the fourth lobe of the right lung in its pleural cavity resting on the diaphragm below , and in ... seen to pass in front of the root of the left lung in company with the phrenic nerve round to the back of the heart to ...
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Common terms and phrases
abdominal adult ambulacral Amphibia anatomy animal Annelids antennae anteriorly anus aorta appear appendages arch artery Arthropoda articulated azygos body bones branchial calcareous canal caudal cervical chitinous ciliated coeca Coelenterata commissural connected coracoid cord corresponding Crustacea Decapodous developed digestive tract Dipnoi dorsal ducts Echinodermata Elasmobranchii external figure Fishes function ganglia ganglion Ganoidei gills glands glandular heart Holothurioidea homologous inner insects integument internal intestine Lamellibranchiata larvae layer less liver lobes Mammals mantle mass middle line mouth muscles muscular nerve neural oesophagus opening ordinarily orifice Orthoptera ossicles pairs passing perivisceral cavity pharynx placed Platyelminthes Polyzoa portion possess post-abdominal posterior posteriorly prolonged relation renal reproductive resemble respiratory ribs seen segmental organs sexual shell side skeleton species spines sternal sternum stomach structures Sub-kingdom superiorly supra-oesophageal surface tentacles thoracic transverse Trematodes tube upper vas deferens vein ventral Vermes vertebrae Vertebrata vessels visceral water-vascular whilst
Popular passages
Page xxiii - Our little systems have their day; They have their day and cease to be; They are but broken lights of thee, And thou, O Lord, art more than they.
Page 22 - It is thought that the student, by confining himself, in the first instance, to those authors who are most worthy of his attention, will be saved from the dangers of hasty and indiscriminate reading. By adopting the course thus marked out for him, he will become familiar with the productions of the greatest minds in English Literature ; and should he never be able to pursue the subject beyond the limits here prescribed, he will have laid the foundation of accurate habits of thought and judgment,...
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Page xxv - ... impossible, such a theory cannot be held to be advanced out of the region of probability. The acceptance or rejection of the general theory will depend, as does the acceptance or rejection of other views supported merely by probable evidence, upon the particular constitution of each individual mind to which it is presented. But whether the general theory be accepted as a whole or not, it must be allowed that in the face, on the one hand, of our knowledge of the greatness of the unlikeness, which...
Page v - Rolleston says, in his preface : — " The distinctive character of the book consists in its attempting so to combine the concrete facts of zootomy with the outlines of systematic classification as to enable the student to put them for himself into their natural relations of foundation and superstructure. The foundation may be made wider, and the superstructure may have its outlines not only filled up, but even considerably altered, by subsequent and more extensive labours ; but the mutual relations...