Bull. U. S. B. F., 1923-24. (Doc. 963.) 
^ IGS B ^groo ve^o^uter 200 0f L ' luteola 5 mm lon S- A > longitudinal groove on face of inner palp; 
Fra. 18.— Cross section of upper portion of palps of adult L. luteola. Letters as in Figure 20. X125 
£ IG ' i?' — £ ortlon of ciliated epithelium on outer side of palp. X100. 
A<1 °- 'Pross section of esophagus of L. luteola 8 mm. long, showing the ciliated epithelial lining and masses 
of materia 1 m the process of being ingested. A, lumen of esophagus; B, Ccsviarium sp.; C, portion of anterior 
adductor muscle; D, cerebral ganglia. X430. 
