Bull. U. S. F. C. 1902. 
Plate 6. 
Figs. 31, 32. Ophioglypha robusta. Broken young one from Crab Ledge.— 31. Aboral view (x 2). 32. Oral view (x 2). 
Figs. 33, 34. Amphipholis squamata (adult, natural size). — 33. Aboral view. 34. Oral view. 
Figs. 35, 36. Gorgonocephcilus agassizii (one-fourth natural size). — 35. Aboral view. 36. Oral view. 
