Abstract
The molluscicide, N-tritylmorpholine, is effective in eradicating certain fresh water snails, the intermediate hosts in the transmission of schistosomiasis in man. This preliminary study shows that N-tritylmorpholine is also active against wood-boring marine mollusks. Fine sapwood impregnated with this morpholino compound was not damaged by teredinids or pholads while exposed at two marine sites in Panama. Because of its extreme insolubility, N-tritylmorpholine becomes a very specific toxicant, affecting only those marine mollusks (teredinids and pholads) which bore into the treated wood.