The Geography of MammalsK. Paul, Trench, Trübner & Company, Limited, 1899 - 335 páginas |
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Página 13
( 2 ) The uncertainty as to the limits of the genera . This uncertainty has been
greatly increased of late years by the action of some zoologists in proposing a
multitude of unnecessary generic terms . When these two factors have been
settled and ...
( 2 ) The uncertainty as to the limits of the genera . This uncertainty has been
greatly increased of late years by the action of some zoologists in proposing a
multitude of unnecessary generic terms . When these two factors have been
settled and ...
Página 15
Furthermore , out of the eight genera above mentioned , although they are not
now found in the Palæarctic Region , four of them are known to have existed
there during the Pliocene period . This shows , we think , very conclusively that
what ...
Furthermore , out of the eight genera above mentioned , although they are not
now found in the Palæarctic Region , four of them are known to have existed
there during the Pliocene period . This shows , we think , very conclusively that
what ...
Página 16
Table I . Approximate Numbers of Families , Genera , and Species of Mammals in
the six Regions . Families . Genera . Species . Regions . Endemic .
Quasiendemic . Widespread . Total . Endemic . Quasiendemic . Widespread .
Total . Total .
Table I . Approximate Numbers of Families , Genera , and Species of Mammals in
the six Regions . Families . Genera . Species . Regions . Endemic .
Quasiendemic . Widespread . Total . Endemic . Quasiendemic . Widespread .
Total . Total .
Página 20
No less than twenty - eight genera , containing nearly one hundred species of
Bats , are met with within the Region , and of these genera eight are not found
elsewhere . This is a high percentage , only excelled in the Neotropical Region ...
No less than twenty - eight genera , containing nearly one hundred species of
Bats , are met with within the Region , and of these genera eight are not found
elsewhere . This is a high percentage , only excelled in the Neotropical Region ...
Página 30
The first of these genera contains the larger kangaroos , in which the upper
incisors are of equal length , the canine teeth are deciduous when present , and
all the toes of the fore feet are of nearly equal length . One of the finest and most ...
The first of these genera contains the larger kangaroos , in which the upper
incisors are of equal length , the canine teeth are deciduous when present , and
all the toes of the fore feet are of nearly equal length . One of the finest and most ...
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Términos y frases comunes
absence Africa allied already animals appears Asia Atlantic Australian Region Bats Bear beds belong birds boundary Carnivora Celebes Central characteristic closely coast common confined connected considerable considered containing distinct distribution districts divided division doubt Eastern endemic entirely Ethiopian Region Europe exception existing extends extinct fact fauna five forests forms four further genera genus geographical greater includes Indian inhabitants Insectivores islands known land Lemurs less limits Madagascar mainland mammals Marsupials Monkeys mountains namely Nearctic Region nearly Neotropical Region North northern occur Ocean Old World Order Oriental Region origin Pacific Palæarctic Region peculiar Peninsula Pleistocene portion possesses present probably range recent referred regards remains remarkable represented restricted Rodents seems separate single South America Southern species spread Sub-region terrestrial tropical true Ungulates usually West Western whole widely