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abdomen adult alimentary canal ambulacral amongst animal Annelides antennae anus aperture appendages arches articulated attached beak birds bivalve body bones Brachiopoda branchiae calcareous called carapace cavity chamber characterised chitinous ciliated composed comprising consists contractile Crustacea developed distinct division dorsal elongated embryo external extremity eyes feet females fins fishes foot Foraminifera furnished gemmation genera genus gills head horny Huxley Hydrozoa incisors Insects integument intestine known labium larva legs limbs locomotive lophophore males Mammals mandibles mantle maxillae membrane Mollusca mouth muscles muscular nervous system neural operculum organs ovum pair Palaeozoic placed plates polypide polypites Polyzoa portion possess posterior present pupa reproductive respiratory rudimentary segments shell side Silurian single siphons siphuncle sometimes somites species spines stomach structure Sub-class Sub-order surface tail teeth tentacles termed thorax toes transverse tube upper usually valves ventral vertebral column Vertebrates whilst wings Zoantharia zooids
Page 642 - Kalong — attaining a length of from four to five feet from the tip of one wing to that of the other. The Pteropida are especially characteristic of the Pacific Archipelago — Java, Sumatra, Borneo, &c.
Page 486 - Ichthyosaurus to cut through the waves. May it not therefore be concluded (since, in addition to these circumstances, its respiration must have required frequent access of air), that it swam upon or near the surface, arching back its long neck like a swan, and occasionally darting it down at the fish which happened to float within its reach.
Page 41 - ... progress of opinion on the Origin of Species. Until recently the great majority of naturalists believed that species were immutable productions. and had been separately created. This view has been ably maintained by many authors. Some few naturalists, on the other hand, have believed that species undergo modification, and that the existing forms of life are the descendants by true generation of pre-existing forms.
Page 65 - the foraminiferous fauna of our own seas probably presents a greater range of variety than existed at any preceding period ; but there is no indication of any tendency to elevation towards a higher type.
Page 278 - ZOOLOGY. sesses a pair of antennae, a pair of mandibles, and two pairs of maxillae, the hinder pair of which are coalescent, and form the
Page 486 - ... paddles ; that it was marine is almost equally so from the remains with which it is universally associated ; that it may have occasionally visited the shore, the resemblance of its extremities to those of the turtle may lead us to conjecture ; its...
Page 486 - ... darting it down at the fish which happened to float within its reach. It may, perhaps, have lurked in shoal water along the coast, concealed among the seaweed, and raising its nostrils to a level with the surface from a considerable depth, may have found a secure retreat from the assaults of dangerous enemies ; while the length and flexibility of its neck may have compensated for the want of strength in its jaws, and its incapacity for swift motion through the water, by the suddenness and agility...
Page 21 - The sub-kingdoms are, in turn, broken up into classes, classes into orders, orders into families, families into genera, and genera into species.
Page iv - NICHOLSON. A Manual of Zoology, for the use of Students. With a General Introduction on the Principles of Zoology. By HENRY ALLEYNE NICHOLSON, MD, D.Sc., FLS, FGS, Regius Professor of Natural History in the University of Aberdeen.
Page 537 - Burong mati," or dead birds, indicating that the Malay traders never saw them alive. The Paradiseidfe are a group of moderate-sized birds, allied in their structure and habits to crows, starlings, and to the Australian honeysuckers ; but they are characterised by extraordinary developments of plumage, which are unequalled in any other family of birds. In several species large tufts of delicate bright-coloured feathers spring from each side of the body beneath the wings, forming trains, or fans, or...