URNATELLA GRACILIS, A FRESH-WATER POLYZOAN

1883 Science  
Ezc~mple2. Find the rceiprocal of :233i;67. The wl~ole work is here given : -Ezamnplc 3. Find the rcciprocal of 1-1. Solution. -411 3 71j.) Answer, .0243b.
doi:10.1126/science.ns-2.46.789 pmid:17739763 fatcat:ibicukvwunbufhlb27si35kvjq