The animal to which you refer ae Branehioetoma is not that* but ie 
2apptf$pafce.# a Polychaetae worn. These are wry peculiar animals belonging 
to an aberrant group of the order Just mentioned* I aa going to have the 
specimens histologised cone day and see if they are not closely related to 
the Lancelot. They live in the lend just 111® the Lancelot . 
