Bull. U. S. F. C. 1902. 
Plate 3, 
Pigs. 10, 11. Oribrella sanguinolenta (natural size). — 10. Slender-armed form; abora.l view. 11. Stout-armed form; oral view. 
Figs. 12, 13. Solastcr cncleca (small specimen, natural size). — 12. Aboral view. 13. Oral view. 
