This work is mainly devoted to the study of ecology, breeding biology and biochemical composition of the Tellinids (Marine bivalves) T. ala and T. cuspis. In addition to the biological studies, the effect of two pesticides endosulfan and dimethoate on the physiology and histology of Tellinids were also carried out. This study also encompasses the thoughts on wide-spread and indiscriminate use of pesticides in agriculture causing a great concern, since the ...