Outlines of natural history for beginners |
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... Gills and heart of the Perch , 37. Development of the Common Frog , 38. The Common Frog , 39. Skeleton of the Common Frog , 40. The Rattlesnake , 41. Skull of the Rattlesnake , 79 80 83 85 86 88 90 42. Head of the Rattlesnake ...
... Gills and heart of the Perch , 37. Development of the Common Frog , 38. The Common Frog , 39. Skeleton of the Common Frog , 40. The Rattlesnake , 41. Skull of the Rattlesnake , 79 80 83 85 86 88 90 42. Head of the Rattlesnake ...
Página 30
... Base of the appendage ; b and c Outer and inner branches of the appendage . 3. One of the last pair of foot - jaws , carrying a gill ( g ) . Let us now briefly look at the various appendages carried 30 OUTLINES OF NATURAL HISTORY .
... Base of the appendage ; b and c Outer and inner branches of the appendage . 3. One of the last pair of foot - jaws , carrying a gill ( g ) . Let us now briefly look at the various appendages carried 30 OUTLINES OF NATURAL HISTORY .
Página 33
... gills , to all parts of the body . The breathing - organs ( bb ) are adapted for breathing air dissolved in water , and are therefore genuine " gills . " They are in the form of pyramidal bodies , which are attached to the bases of the ...
... gills , to all parts of the body . The breathing - organs ( bb ) are adapted for breathing air dissolved in water , and are therefore genuine " gills . " They are in the form of pyramidal bodies , which are attached to the bases of the ...
Página 34
... gills are contained . The nervous system , lastly , has the form of a series of nervous masses placed along the lower surface of the body , and united with one another by longitudinal cords . The first pair of these masses is placed ...
... gills are contained . The nervous system , lastly , has the form of a series of nervous masses placed along the lower surface of the body , and united with one another by longitudinal cords . The first pair of these masses is placed ...
Página 57
... gills ( Greek , brangchia , a gill ) , and that these gills have a flattened , plate - like , or " lamellar " form ( Latin , lamella , a flat plate ) . m ... 2- m They derive their b m m g As the type of this class - we shall take the ...
... gills ( Greek , brangchia , a gill ) , and that these gills have a flattened , plate - like , or " lamellar " form ( Latin , lamella , a flat plate ) . m ... 2- m They derive their b m m g As the type of this class - we shall take the ...
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Palavras e frases frequentes
abdomen adductor muscle Advanced Text-Books animal antennæ appendages arms attached backbone beak bivalve blood body body-cavity bone breathing-organs breathing-tubes carries cavity chambers characters distinguish colour common common Frog common House Spider composed consists contained Crown 8vo Diagram Dictionary digestive distinct heart distinct vent distinguish the class domestic Goose dorsal fin Edition Engravings eyes Fcap feelers fins fluid Flustra foot-jaws Frog front Geology gills Goose Greek Grey Lag gullet head horny Hydra insect internal anatomy intestine jointed known Latin Leech limbs Lithobius Lithobius forficatus little nervous masses Lobster lower surface lungs mantle MANUAL means membranous mouth muscular Mya arenaria nervous system opens outer pairs of legs peculiar Perch PHYSICAL GEOGRAPHY plate portion processes quadrate bone RECAPITULATION OF ESSENTIAL rings or segments rudimentary Scolecida shell side skin skull soft spines Star-fish stomach sub-kingdom sucker tail teeth tentacles thorax tion tube valve Whelk Zoology
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