Investigations on Cetacea (1979)
Finless porpoise mothers are able to carry their calves balanced securely on their back. This behaviour was frequently observed by the authors in the course of an expedition to the…
Finless porpoise mothers are able to carry their calves balanced securely on their back. This behaviour was frequently observed by the authors in the course of an expedition to the…
(...) The research shows that the finless porpoise of the Changjiang (Yangtze river) presents an atrophy ofthe entire optic system - eye and eye muscle nerves, optic nerve, optic pathways.…
The Chinese finless porpoise of the Changjiang river, Neophocaena asiaeorientalis (PILLERI and GIHR, 1972) presents a taxonomic entity which differs from N. phocaenoides (G. CUVIER, 1829) of south and south-west…
Informations on the body surface area in dolphins are rare in literature (SLIJPER, 1958; KERMACK, 1948; PARRY, 1949; RIDGWAY, 1972). With the increasing interest in physiology of marine mammals this…
(...) in the present paper we should like to examine with the naked eye the anatomical structure of the brain of the Chinese finless porpoise. The specimens were prepared in…
One hundred and forty-three skulls of a total of 15 cetacean species belonging to the superfamiIies of the Platanistoidea, Monodontoidea and Delphinoidea presented usually symmetrically arranged perforation areas or lacunae…
Since the first publications of data on the blood composition in the harbour porpoise (ANDERSEN, 1966 and 1968) the autoanalyzing technique has been commonly introduced and the international system for…
Two species of freshwater dolphin are known to have existed in the Yangtse River, China, for over two thousand years. One is a white form, the Baiji (Lipotes vexllifer), the…
Sound production mechanisms have been studied in two delphinid species - the harbour porpoise, Phocoena phocoena (L.), and the bottlenosed dolphin, Tursiops truncatus (Montagu). It was found that, in both…
This monograph may be regarded as an important supplement to the book »Echolocation in Whales and Dolphins» by Purves and Pilleri, published by the Academic Press, London, 1983. It contains…