The youngest polyp of the system is the one nearest to the topmost polyp; and the axis of the system is a true axis.
In cases where the cormus has no pneumatophore the topmost swimming bell may contain an oil-reservoir or oleocyst.
The tank is placed above the level of the topmost draw off, and often in a cupboard which it will warm sufficiently to permit of its being used as a linen airing closet.
Hence, in a colony of gymnoblastic hydroids, the oldest polyp of each system, that is to say, of the main stem or of a branch, is the topmost polyp; II ?a ` FIG.
Birdwood's force had taken root since April were spurs of a tangled mountain mass known as Sari Bair, from the topmost ridges of which the Straits about the Narrows were partially visible at a distance of 4 or 5 miles.