The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
Helminthofauna of 473 birds from Corvidae family, derived from Warsaw, and Warsaw, Gdańsk, Cracov and Rzeszów voivodeships was examined in the years 1962-1964. The parasites identified in the preliminary period of work are enumerated in table. The author discusses in detail the incidence of parasites from Syngamus genus; they could not be found in the north part of Poland occurring in slight numbers...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.