Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, P. Blackiston's Sons and Co. · leaf 961
GiSr>.—Aiitcdu)! (Comatula), orseen from its aboral side. 9O2 ECHINODEKMA beginning to enlarge, to form the centro-dorsal plate (-2, c rf), fromwhich are beginning to spring the dorsal cirrhi (cir) that serve to … Fm. C>«8. — Pentacrinoid larva of Aittcdoit. 1. Skeleton of early peiitacrinoid,under black-ground illumination, showing its component plates : l>, It,basuls, articulated below to the highest point of the stem; rl, •/•, firstradials, between two of which is seen the single anal plate, a ; »•-,…
Microscopy · Natural history
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