Download E-books Modern Text Book of Zoology Vertebrates PDF

By R. L. Kotpal

The e-book has been written to cater for the durable wishes of Indian scholars because it is nearly very unlikely for them to selected any unmarried textbook on vertebrates. it's meant essentially as a textbook for the Honours and the Undergraduate scholars of the Indian Universities. besides the fact that, the scholars of upper sessions, the applicants getting ready for varied competetive examinations, and the topic academics can also locate it necessary as a convenient advisor for reference. The ebook follows basically the development set previous via my textbook at the Invertebrates. hence, very important Indian animal varieties were defined first, via chapters on characters, type, different varieties and normal issues of other sessions of Vertebrates. advent to the Chordates and chapters on Protochordates, Osteology, Embryology and Histology of Vertebrate kinds were prepared in separate SECTIONS to accomplish greater realizing and to prevent pointless repetitions. issues were chosen with nice care and handled in an easy and lucid variety. Characters and classifications were simplified and controversies shunned to learn our younger readers. Illustrations were specifically designed with nice dexterity, effectively, and in conformity with their textual descriptions. it's been my top endeavour to provide greatest details, enough for the scholars, in uncomplicated language, got after sifting and filtering via numerous international textbooks in addition to periodicals and journals.

Show description

Read Online or Download Modern Text Book of Zoology Vertebrates PDF

Best Animals books

The Bafut Beagles

Within the Bafut Beagles Gerald Durrell describes a gathering day trip to the Cameroons, the place with the help of a pack of African lovers and mongrel canine he captured nearly every thing from flying mice to booming squirrels. The subconscious humour of a supercilious toad or a hypocritical chimpanzee is simply exceeded by means of the electrical appeal of the convivial Fon of Bafut himself.

Wild Ones: A Sometimes Dismaying, Weirdly Reassuring Story About Looking at People Looking at Animals in America

"Ambitious and interesting. .. [Mooallem] seamlessly blends reportage from front traces of natural world conservation with a full of life cultural heritage of animals in the US. " --New York instances ebook ReviewJournalist Jon Mooallem has watched his little daughter’s international overflow with animals butterfly pajamas, appliquéd owls—while the particular international she’s inheriting slides right into a nice hurricane of extinction.

Bats: A World of Science and Mystery

There are greater than 1,300 species of bats—or nearly 1 / 4 of the world’s mammal species. yet ahead of you lessen in worry from those hairy “creatures of the night,” contemplate the bat’s basic position in our atmosphere. A unmarried brown bat can devour numerous thousand bugs in an evening. Bats additionally pollinate and disperse the seeds for lots of of the vegetation we adore, from bananas to mangoes and figs.

Animals, Diseases, and Human Health: Shaping Our Lives Now and in the Future

This e-book explains how animals form our lives and our healthiness, supplying facts "One healthiness" procedure is the one logical method for advancing human overall healthiness sooner or later. • comprises illustrations and images to accompany the textual content• incorporates a bibliography with such a lot chapters• includes a sidebar in each one bankruptcy that offers fascinating proof no longer came across in other places within the bankruptcy• Serves as a prepared reference for puppy vendors in addition to a textual content for prime institution and school scholars all in favour of animal technological know-how and healthiness, public overall healthiness, veterinary medication, biology, microbiology, and virology

Additional info for Modern Text Book of Zoology Vertebrates

Show sample text content

Cerebral hemisphere A view after. present in buccal shallow attaches to stone tail round her In :;1, 6. nine. 19. 12. unicellular degree. which could variations were enumerated within the desk Order 1. stone + myzon, with participants this order are known as eels or sand Mouth inside a suctorial enamel. funnel beset with many Table 1. distinction among Lampreys Characters (Petromyzoll ) Terminal Degenerate, lined by means of thick roof skinny walled, no longer supported unmarried ofright hemihranchs of Kidneys 31. 320 330 340 35 Primitive pr(meprnros larger built Poorly de'l'elO'oed pairs nerves Spinal nerve Nasohypophyseal separate Roots Opens unmarried Pcesent shell Segmentation Holoblastic oblique with a larval and metamorphosis Meroblastic metamorphosis view. Scoliodon . The /38 J if) Caudal tail shallow one referred to as caudal attribute the genus Scoliodofl. tough to capture in locomotion and resists into Its eolouration with because the fish floor of water while visible from under and with darkish backside whilst from epidermis in Lateral line and pores. A runs over ,nr'IAr'mvm sensory lateral line canal at periods to out~ide minute pores. pores. O n the top and open a number of teams the referred to as exude mucus. of is coarse and has the texture of sand is because of challenging and known as or The the surface ectoderm al mesodermal corium or epidermis internal is of many cells in younger level, are ciliated yet at grownup degree the cilia are misplaced. Basal or innermost made columnar or whieh rests a basement membrane. Cells of outer lubricates areolar muscl e scale of Scoliodofl includes and flat large rhomboidal basal from its centre. TIle basal dennis held tissue tl bres. it's a bone-like tissue referred to as cement. out of the In vertical of a difficult channels or tactics of odontoblasts. fibres from cmnpact fibres stratum compactum. referred to as subcutaneous and A-Dorsal view. ok __· vprH r :lI Scoliodon I The Dogfish 139 teeth organ scale dentine canaliculi dermis { stratum germinativum skin { Fig. five. Scolimion. V. S. of pores and skin exhibiting improvement of a placoid scale. I-Accumulation of dermal cells. 2-Formation of dermal papilla. 3-Growing backbone. 4--VS. of a completely shaped scale. mucous membrana lined extem:ally with a enamel-like vitro-dentine 2. improvement of a placoid scale. The fi rst of a of mesodermal cells of underneath dermis and a dermal because the is driven up, the outermost cells of dermal develop into odontoblasts deposit dentine among themselves the ov(;:rlying epldel:1m:ll cells of stratum now referred to as am:el()bl,asts, shape or Malpi~~hlam so-called teeth organ vitrodentine over dentine. Cement shaped from surrounding cells of skin. within the dermal papilla varieties nutritive Oc(:upying the In a shaped scale, wears off round the which above the sensible enamel decrease jaw muscle outer integument Fig. 6. Sco/iotiorl. reduce jaw in part to teach fOimutioll and alternative of the teeth from piacoid scales. it also are inturned teeth dermis derivatives and therefore hornolog()us with scales. and dentine are vitrodentine is of ectod,ernna!

Rated 4.07 of 5 – based on 34 votes