Biological And Ecological Studies On Some Snails In Sharkia Governorate

Among 20458 snails examined from four centers Abo- rnmad. Hehia, Zagaz i.g and Iheniate-El Kameh, Biomphalariaoissyi, Planobris philippi, Bulintl truncatus, Bulinus orskali, Physa acuta, Lanistes k£lten, L’y’ cailliaudi, ccinea cle opatrae, Melandi tubercula~, C1:.e opatrn spp. bulimoides and c,yclostomoides), Vivipara unicolor and ritina nilotica.were identifiedlth special reference to the effect of temperature and the spth of water on their prevailence •