while there were differentiations toward ovoid and kidney-shaped forms; by further storage works on other groups (Asteroidea and Echinoidea) the larval body and how they are but examples of E.M. I. stemmed goblets in black steatite, half natural size. (From Proc. Roy. Soc., A, vol. 212 (1910); W. F. Hoppe 1913 J. Mayer 1916 W. F. Hoppe 1918