Bull. U. S. B. F., 1923-24. (Doc. 963.) 
Fig. 9. — Frontal section of L. luteola 1 mm. long, showing palps on right side. A, mouth; B, palps, showing 
vertical ridges in cross section. X200. 
Fig. 10. — Frontal section of right palps of L. luteola 8 mm. long. A, foot; B, gill; C and D, palps. X200. 
Fig. 11. — Frontal section of palps of L. luteola 3 mm. long. A, foot; B, outer palps; C, inner palps. X200. 
Fig. 12. — Frontal section of palps of L. luteola 5 mm. long. Letters as in Figure 11. X2C0. 
