By George R. Zug
Herpetology has continually been some of the most intriguing disciplines of zoology. in the past few years the sphere has persisted to develop, but it's been tormented by shortage of finished, up to date textbooks containing an important advancements. This well timed booklet fills that void. via skillful synthesis, the writer summarizes the variety within the biology of residing amphibians and reptiles and describes the breadth of present herpetological examine. subject matters lined comprise the evolution, type, improvement, copy, inhabitants, and environmental concerns surrounding the learn of amphibians and reptiles. Designed as a sophisticated undergraduate textbook, Herpetology is a helpful source for college kids, practitioners, and amateurs alike.
* offers an incisive survey and lots more and plenty wanted replace of the field
* Emphasizes the organic variety between amphibians and reptiles
* information the newest examine findings, bringing up key references
* comprises greater than two hundred new illustrations and photographs
* encompasses a precis of the historical past of herpetology
* good points an intensive bibliography
Read or Download Herpetology. An Introductory Biology of Amphibians and Reptiles PDF
Similar zoology books
The Baja California peninsula is domestic to many types of lifestyles came across nowhere else in the world. This, mixed with the peninsula's rugged and inaccessible terrain, has made the realm one of many final precise organic frontiers of North the USA. L. Lee Grismer is not just the most important authority at the amphibians and reptiles of Baja California, but in addition a good photographer.
Regardless of the devoted efforts of lots of individuals and companies, the good apes—our closest dwelling relatives—are at the very fringe of extinction. This sweeping atlas presents a accomplished assessment of what's at present recognized approximately all six species of significant apes—chimpanzee, bonobo, Sumatran orangutan, Bornean orangutan, jap gorilla, and western lowland gorilla.
Ecophysiology of desolate tract Arthropods and Reptiles starts off with a brand new class of the world's deserts, established upon the kind of precipitation and the impression on their faunas of arthropods and reptiles. this can be through an account of microclimates and the avoidance of environmental extremes. while thermoregulation is essentially behavioural, responses to water scarcity are mostly physiological.
This publication is set illness and demise. it really is an ecologist's view of Darwin's vibrant evocation of Nature, crimson in enamel and claw. a world group of authors examines large styles within the inhabitants biology of average enemies, and addresses normal questions about the position of normal enemies within the inhabitants dynamics and evolution in their prey.
- Grzimek's Animal Life Encyclopedia. Birds 4
- Feral Children and Clever Animals: Reflections on Human Nature
- The Death of Our Planet's Species: A Challenge to Ecology and Ethics
- Do Fish Feel Pain?
- Fish Invasions of the Mediterranean Sea
Extra info for Herpetology. An Introductory Biology of Amphibians and Reptiles
Salamanders, caecilians, and a few frogs lack tympana. In these amphibians, lowfrequency sounds may be transmitted via the appendicular and cranial skeleton to the inner ear. Unlike amniotes, the amphibian middle ear has two auditory pathways: the tympanum-columella path for airborne sounds and the forelimb-opercular path for seismic sounds. Both pathways reach the inner ear through the fenestra ovalis of the otic capsule. The tympanum-columella path is shared with the other tetrapods. In amphibians, it is a single bony rod (columella) extending between the external eardrum and the fenestra ovalis o f the inner ear.
The chain o f action begins with the release o f neurohormones by the brain cells. These hor mones reach the neurohypophysis through blood vessels or secretory axons of neurons ending in the neurohypophysis. , GnRH, gonadotropinreleasing hormone) or act directly on the target organs (ADH, antidiuretic hormone; M S H , melanophore-stimulating hormone). The adenohypophysis se cretes six major hormones: adrenocorticotropin, two gonadotropins (FSH, L H ) , prolatin, somatotropin, and thyrotropin.
Thus, the lepospondyls ( = Aistopoda + Microsauria + Nectridea) are a com posite group o f unrelated tetrapods. The content o f temnospondyls equals the content o f the present Amphibia without the lepospondyls. Labyrinthodont amphibian also has had long and frequent use. Its use encompassed a broad spectrum o f early tetrapods, including the temnospondyls, anthracosaurs, and 45 Fish to Tetrapod ,. Sahentja Caudata \ Λ ,. 1 • A Y A Y A Y A Y A T A Y A T A T A Y A Y A Y A Y A Y A Y A Y A T A T A T A Y A Y A branching diagram o f the evolution of early tetrapods and amphibians.