Bull. U. S. F. C. 1902. 
Plate 1. 
Figs. 1, 2. Axterias forbesi (small specimen, natural size). — 1. Aboral view. 2. Oral view. 
Figs. 3. 4. Axtrriax vulgaris (small specimen, natural size). — 3. Aboral view. 4. Oral view. 
