By the time he was done with his story he had painted a vivid picture of natural function among these creatures. Erickson and Kathleen then went on to other topics in a rather desultory way,with only scant attention to Kathleen's vomiting In the end Erickson did make some humorous allusions to vomiting. The rest was up to her,armed-as she was with an implanted appreciation of the function of vomiting within a world of natural variety.