the fpecie-s are now loft, or are .the produce o f more cfiftant feas.
You will probably fay that the name o f OrthoceratiUs is but ill
fuited to a recurvous foflil j and I agree with you s fo you may
call it, i f you pleafe, Campiloceratites.
I hope this long letter may induce you to make me a fimilar
return; and i f you think I have detained you with particulars
not very interefting, exert your generofity by giving me a hundred
for one, as you can well do it without fear o f impoverifhing
yourfelf.
T O
