60 THE BUDDING OF 



are attached to the free edges of the older sets of semi-partitions, 

 and correspond in size to the organs to which they are united ; 

 the largest (fig. 29, *, f) bordering the oldest partitions, and the 

 successively smaller ones occupying the edges of the correspond- 

 ingly lesser partitions (2 and 3). You will see by this, that, as 

 a matter of course, these organs occur in pairs, just as do the 

 semi-partitions, to which they form a border. 



Thus far the description of the animal was necessary to an 

 understanding of the nature of its organization ; but as for the 

 other details I shall leave them to be taken up when considering 

 it from another point of view. 



The budding always takes place from the end by which the 

 Anemone attaches itself, and, as a rule, at the edge of the so- 

 called basal disc. In the course of a month I have seen as many 

 as twenty buds detach themselves from the parent, and removing 

 to a short distance, they resembled a group of attendants (c, d, e, 

 f) surrounding their master. As in Hydra they arise as simple 

 rounded protuberances, but in a short time six short tentacles 

 make their appearance at the free end, and a minute oblong 

 aperture, the mouth, is formed in their midst in such a way that 

 its two ends have a tentacle opposite * each, and the other four 

 disposed, two on one side and two on the other, f 



Within, the organs arise at points corresponding to the position 

 of those outside. The semi-partitions, twelve in number, begin 

 as mere ridges, which extend in pairs from the anterior end of 



* See the description of the young Anemone at the beginning of Chapter 

 X. for more complete details in addition to what is given here. 



f It is a remarkable fact, that, in these budding young, the tentacles are very 

 rarely if ever, perfectly symmetrical on each side of the elongated mouth ; and so 

 it is also with the internal organization, i. e., the semi-partitions and reproductive 

 organs. In this respect the single Polyps correspond to the compound branching 

 corals, in which the buds, never becoming detached, but remaining through life, 

 have a more or less one-sided attachment. Yet this asymmetry of the suc- 

 cessively arising heads, along the growing branch of a coral, would seem to have 

 a direct relation to their spiral arrangement, precisely in the same way that the 

 asymmetry of the leaves of a plant, the petals and sepals of a flower, and the 

 scales of a Pine-cone, has a direct reference to the spiral iu which they are 

 disposed. 



