Plate V. 



Stnaptin^. 



Figures 1-13 and 23. Leptosynapta acanthia (Clark). Except Fig. 32, from Clark, 1899a. 



Figure 1. Large anchor. X 90. 



2. Large anchor-plate. X 90. 



3. Small anchor. X 90. 



4. Small anchor-plate. X 90. 



5. Abnormal anchor. X 90. 



G. Double plate with twin anchors. X 90. 



7. Miliary granules from anterior part of body. X 450. 



8. Sliliary granules from posterior part of body. X 450. 



9. Supporting rods from tentacles. X 450. 



10. Interradial and radial pieces of calcareous ring. X 10. 



IL Small ciliated funnel from body-cavity. X 90. 



12. Large ciliated funnel from body-cavity. X 90. 



i;^. Part of body laid open to show stomach and line of ciliated funnels. Natural 



size. 

 22. Gustatory organs on tentacles, a. Group id' 5, scon from above, h. One, seen 



from side. X ''0. 



Figures 14, 18, 19, and 20. Lfptosynapta inharnis ((). F. Jliiller). ( Fmm Clark, ISI)!)?).) 



Figure 14. Padial and interradial pieces of cahareous ring. X 45. 

 18. Supporting rods from tentacles. X 450. 

 li). Miliary granules from longitudinal muscles. X 450. 



20. Large ciliated funnel from body-cavity. X 125. 



Figures 15, 16, 17, and 21. Leptosynapta roseola Verrill. (From Clark, 18996.) 



Figure 15. Supporting rods from tentacles. X 450. 



16. Badial and interradial pieces of calcareous ring. X 45. 



17. Miliary granules from longitudinal muscles. X450. 



21. Large ciliated funnel from body-cavity. X 337. 



Figure 23. Anchor-plate of Labidoplax bjishii (Mcintosh). (From Brady and Pobertson, 

 1871.) 



24. Anchor-plate of Euapta (jldbra (Semper). X 95. (From Semper, 1868.) 



25. Anchor-plate of Labidoplax dubia (Semper). X 95. (From Semper, 1868.) 



26. Anchor-plate of Protanhjra challengeri (Theel). X 170 ? (From Theel, I8860.) 



27. Anchor-plate of Labidoplax sluiteri Fisher. X 100 ? (From Sluiter, 1901.) 



28. Anchor-plate of Labidoplax dubia (Semper). X 200 ? (From Theel, 1886a; 



inceria.) 



29. Anchor of Protanhyra vcrrilli (Theel). X HO ? (From Theel, 1886a.) 



30. Miliary granules of Protanhyra bidcntaia (W. and B.). (a. From Theel, 1886a; 



distincta. X 400 ? 6. From Semper, 1868; molesta. X 95. c. From Lud- 

 wig, 1875; distincta. X 70.) 



31. \iwhov oi Protanhyra autopista (v. Mar.). X 150. (From v. Marenzeller, 1881.) 



32. Anchor of Protanhyra insolens (Theel). X 50 ? (From Theel, 1886a.) 



33. Anchor-plate of Protanhyra rodea (Sluiter). X 25. (From Sluiter, 1890.) 



34. Accessory perforated plate of Prolanhyra tudwigii (Sluiter). X 300. (From 



Sluiter, 1890.) 



35. Accessory perforated plate of Protanhyra asymmctrica (T/udwig). X 180. (From 



Ludwig, 1875.) 



36. Anchor of Protanhyra asymmetrica (Ludwig). X ''O. (Prom Ludwig, 1875.) 



210 



