Provide 3 to 5 key words indicating the scope of the paper. All Latin names of taxa should be written in italic. The 1.5 spacing should be used throughout the text. References should be listed alphabetically by author at the end of the manuscript. The surnames of all co-authors should be given.
List only works referred to in the text.
All tables , figures and illustrations must be referred to in the text. Tables should be clearly headed, single-spaced, typed on separate sheets following a list of references. They should be numbered con-secutively with Arabic numerals. Omit vertical lines and leave margins. They should bear figure number and authors name.