The purpose of this work is to draw the attention of researchers to the need of a more thorough study of the peculiarities of colour of different Cetacea, from...
From 1954 to 1961, in the Far East, European and Asiatic North, in the Black and Caspian Seas, we collected material concerning the structure and distribution...
The paper presents an analysis of the data on morphometry, cranology, meristic signs and weight figures of internal organs , allowing detailed morphological...