A Manual of Palaeontology for the Use of Students: With a General Introduction on the Principles of Palaeontology |
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Page 47
... articulated to the body . CLASS I. GEPHYREA . - Ex . Spoon - worms ( Sipunculus ) . CLASS II . ANNELIDA ( Ringed - worms ) . Order 1. Hirudinea . - Ex . Leeches ( Sanguisuga , Hirudo ) . Order 2. Oligochata . - Ex . Earthworms ...
... articulated to the body . CLASS I. GEPHYREA . - Ex . Spoon - worms ( Sipunculus ) . CLASS II . ANNELIDA ( Ringed - worms ) . Order 1. Hirudinea . - Ex . Leeches ( Sanguisuga , Hirudo ) . Order 2. Oligochata . - Ex . Earthworms ...
Page 50
... articulating surfaces ( " condyles " ) . Limbs never converted into fins . Heart in the young of two chambers only , in the adult of three chambers . Blood cold . Order 1. Labyrinthodontia ( extinct ) . Order 2. Ophiomorpha . - Ex ...
... articulating surfaces ( " condyles " ) . Limbs never converted into fins . Heart in the young of two chambers only , in the adult of three chambers . Blood cold . Order 1. Labyrinthodontia ( extinct ) . Order 2. Ophiomorpha . - Ex ...
Page 51
... articulating surfaces or ' condyles . " Each half of the lower jaw composed of a single piece . Appendages of the skin in the form of hairs . Young nourished by means of a special fluid - the milk , -secreted by special glands - the ...
... articulating surfaces or ' condyles . " Each half of the lower jaw composed of a single piece . Appendages of the skin in the form of hairs . Young nourished by means of a special fluid - the milk , -secreted by special glands - the ...
Page 52
... Articulate type , an admission which is not affected by the fact that the highest Molluscs and Articulates are superior in point of organisation to the lowest Vertebrates . In the same way , within the limits of each sub - kingdom ...
... Articulate type , an admission which is not affected by the fact that the highest Molluscs and Articulates are superior in point of organisation to the lowest Vertebrates . In the same way , within the limits of each sub - kingdom ...
Page 102
... articulated together , or is coriaceous , and has granules or spicules of lime developed in it . The water - vascular system usually communicates with the exterior , and generally subserves locomotion . The adult animal exhibits more or ...
... articulated together , or is coriaceous , and has granules or spicules of lime developed in it . The water - vascular system usually communicates with the exterior , and generally subserves locomotion . The adult animal exhibits more or ...
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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