A Manual of Palaeontology for the Use of Students: With a General Introduction on the Principles of Palaeontology |
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Page 30
... teeth , and defensive spines . The Amphibians are tolerably well represented by their bones and teeth , and , as regards one extinct order , by integu- mentary plates as well . They have also left many traces of their existence in the ...
... teeth , and defensive spines . The Amphibians are tolerably well represented by their bones and teeth , and , as regards one extinct order , by integu- mentary plates as well . They have also left many traces of their existence in the ...
Page 49
... teeth . Body enclosed in a shell which is " bi- valve , " or composed of two distinct pieces . One or two leaf - like gills on each side of the body.-Ex. Oyster ( Ostrea ) , Scallop ( Pecten ) , Mussel ( Mytilus ) . CLASS V. GASTEROPODA ...
... teeth . Body enclosed in a shell which is " bi- valve , " or composed of two distinct pieces . One or two leaf - like gills on each side of the body.-Ex. Oyster ( Ostrea ) , Scallop ( Pecten ) , Mussel ( Mytilus ) . CLASS V. GASTEROPODA ...
Page 92
... teeth . In some cases the outer surface of the theca is more or less covered by a thicker or thinner envelope of calcareous matter , constituting what is termed the " epi- theca . " In some cases , as in the genus Montlivaltia ( fig ...
... teeth . In some cases the outer surface of the theca is more or less covered by a thicker or thinner envelope of calcareous matter , constituting what is termed the " epi- theca . " In some cases , as in the genus Montlivaltia ( fig ...
Page 103
... teeth , and is always situated on the inferior aspect of the body , but the position of the vent varies . As a matter of course , the paleontological student has to deal with nothing except the test of the Echinoids and its appendages ...
... teeth , and is always situated on the inferior aspect of the body , but the position of the vent varies . As a matter of course , the paleontological student has to deal with nothing except the test of the Echinoids and its appendages ...
Page 199
... teeth and sockets , or are kept in apposition by muscular action alone . As regards the contained animal , the position of the valves is anterior and posterior , so that they are properly termed the " ventral " and " dorsal " valves ...
... teeth and sockets , or are kept in apposition by muscular action alone . As regards the contained animal , the position of the valves is anterior and posterior , so that they are properly termed the " ventral " and " dorsal " valves ...
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Common terms and phrases
abundant allied amongst anchylosed animal Annelides aperture appear appendages articulated attained beak beds belong Birds Bivalves body bones bony Brachiopods calcareous Cambrian Carboniferous Carboniferous Rocks Cephalopods Chalk characteristic clays commence composed comprising consists Corals Cretaceous Cretaceous period Crinoids Crustaceans Cycads deposits Devonian division dorsal Eocene Eocene Tertiary existing species extinct feet fins fishes Foraminifera formation forms fossils Ganoids genera genus gills Graptolites horny Hydrozoa incisors integument Jurassic known Lastly Laurentian limbs Limestone living lower jaw Lower Silurian Mammals marine Mesozoic Miocene molars Mollusca mouth North America occur Old Red Oolites operculum pair Paleozoic Permian plants plates Pliocene Polyzoa portion possession Post-Pliocene posterior present day Red Sandstone regarded remains represented Reptiles ribs septa shales shell Silurian Rocks single siphuncle sometimes spines strata sub-kingdom sub-order surface tail teeth thickness toes Trias Triassic tube Upper Cambrian Upper Silurian valve ventral Vertebrates whilst Zoantharia