Diplogaster fictor FIG. 785. I, side view of female; II, head of the same, seen in dorso-ventral view, lips nearly closed; III, head of the same, lateral view, lips nearly wide open; IV, head of the same, lateral view, lips partially closed; V, front view of mouth, partially closed; VI, lateral view, posterior portion of a male specimen; VII, somewhat diagrammatic perspective view showing markings of the cuticula. a, one of the lips; b, one of the six cephalic setae; c, amphid; d, one of the two more or less evertible pharyngeal hook-shaped teeth; €, median esophageal bulb; f, nerve-ring; g, anus; h, rectum; i, intestine; j, terminus; k, posterior esophageal bulb; l, nerve cells; m, renette cell (?); n, left spiculum; o, lumen of the intestine; p’, pre-anal male seta; p'', p''', p'''' , post-anal male setae and papillae; q, one of the cells of the intestine; r, accessory piece; s, flexure in anterior ovary; t, blind end of anterior ovary; v, vagina; w, synapsis in egg in the anterior uterus; x, one of the spermatozoa in the vagina;