ISBN: Ostalo
Godina izdanja: 1963
Oblast: Biologija
Autor: Domaći
Jezik: Engleski

Autor: Jovan Hadži
Izdavač: Pergamon Press, 1963.
Tvrd povez, 499 str.
Omot lošiji inače očuvana
/pečatirana/

The Evolution of the Metazoa

Zoology, Volume 16: The Evolution of the Metozoa presents the significant results of the Cnidaria research, their interpretations and implications in the field of zoology. This book is composed of four chapters, and begins with the establishment of the systematic position of the Spongiae, the position of Ctenophora in the animal classification, and Cnidaria as the only Coelenterata. The subsequent chapter deals with a critical survey of the interpretations of the origin and nature of Cnidaria, with emphasis on the morphologic proofs of its phylogeny. These topics are followed by an outline of the most probable reconstruction of the phylogeny of Cnidaria and the descriptions of the evolution of this metozoa. The final chapter considers the established classification of the animal world and the genealogical tree. This book will be of value to zoologists and researchers who are interested in evolution and classification of Cnidaria.

Jovan Hadži (22 November 1884 – 11 December 1972) was a Slovenian zoologist of Serbian origin.

Biography
Hadži was born in a Serbian family in Temišvar (today Timişoara, Romania) in what was then Austria-Hungary. He began his career in Zagreb. In 1920, he moved to Ljubljana where he became the head of zoological institute at the then established University of Ljubljana. Between 1951 and 1972, Hadži was the head of the Biological institute at Slovenian Academy of Sciences and Arts (SASA). In 1938, he became a full member of SASA.

Hadži was perhaps most widely known for his unique theories of animal evolution. He devised a system of classification in which he divided the animal kingdom into six phyla: Protozoa, Parazoa, `Ameria` (animals with no segments), `Oligomeria` (animals with few segments), `Polymeria` (animals with many segments) and Chordata. His choice of characters important for classification was generally discredited by his contemporaries, and the system was never accepted by zoologists. However, due to its simplicity, the system was widely used in science education in former Yugoslavia. His other major theory was that of the origin of metazoa - he developed an existing hypothesis stating that the first multicellular animals resembling today`s flatworms evolved from multinucleate ciliates in which cell nuclei became separated by cellular membranes. Again, the theory emphasized similarities of structure while disregarding other important characters, so it was never generally accepted.

Hadži`s faunistical work focused on the invertebrate fauna of caves and mountains where he described more than a hundred new species and genera. He was also an active cave explorer and acted as a president of the Slovenian society for cave exploration (Društvo za raziskovanje jam Slovenije) between 1927 and 1945.

For his contributions to zoology, Hadži received Prešeren Award in 1956. In 1969, he received the honorary doctorate by the University of Ljubljana. Several invertebrate species were named after him by other zoologists, such as Astagobius hadzii, Cyclopina hadzii, Isohypsibius hadzii, and Niphargus hadzii.


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