Bertie warns that if young Blumenfeld insults him as he did Cyril , Bertie will clump the child 's head .
Bertie tells Jeeves that the Blumenfelds they saw in New York are coming to lunch .
Bertie warns that if young Blumenfeld insults Bertie as Bertie did Cyril , Bertie will clump the child 's head .
Bertie tells Jeeves that the Blumenfelds they saw in New York are coming to lunch .