Egg of Huffmanela huffmani with mitotic embryo in comma stage as viewed under brightfield LM (from Figure 3B) showing several illusions commonly encountered in LM study of trichinelloid eggs in wholemount (left) and other real boundaries (right), some of which are rarely discernible via LM. Note optical illusion of light and dark linings of the Rigid Eggshell Wall extending up into canal. See Section 4.6.1 for TEM guide.