43, A); in this the mouth is formed distally as a perforation (B); next the sides of the tube so formed bulge out laterally near the attachment to form the umbrella, while the distal undilated portion of the tube represents the manubrium (C); the umbrella now grows out into a number of lobes or lappets, and the tentacles and tentaculocysts grow out, the former in a notch between two lappets, the latter on the apex of each lappet (D, E); finally, the velum arises as a growth of the ectoderm alone, the whole bud shapes itself, so to speak, and the little medusa is separated off by rupture of the thin stalk connecting it with the parent (F).
By the 12th century, mitre and gloves were worn by all bishops, and in many cases they had assumed a new ornament, the rationale, a merely honorific decoration (supposed to symbolize doctrine and wisdom), sometimes of the nature of a highly ornamental broad shoulder collar with dependent lappets; sometimes closely resembling the pallium; rarely a "breast-plate" on the model of that of the Jewish high priest.'
Or it falls over the nape of the neck and is kept in position with a band; or again as a cloth cap has lappets to protect the ears.
Finally the cylindrical hat of Hittite kings and queens reappears with lappets in Phoenicia (Perrot and Chipiez, Phoen.
The culminating summits of the ranges generally present the appearance of a flat, rounded swelling, and when they are crowned with glaciers, as many of them are, these shape themselves into what may be described as a mantle, a breastplate, or a flat cap, from which lappets and fringes project at intervals; nowhere do there exist any of the long, narrow, winding glacier tongues which are so characteristic of the Alps of Europe.