140 
LIFE, IN ITS INTERMEDIATE FORMS. 
blade, like those on the edge of our reaping-hooks. These 
are chiefly the weapons of the lower bundle ; those of the 
Polyuoe — (with its lances magnified.) 
upper are still more imposing. The outmost are short, 
curved clubs, armed with a row of shark’s teeth to make 
them more fatal ; these surround a cluster of spears, the 
long heads of which are furnished with a double row of 
the same appendages ; and lengthened scimitars, the 
curved edges of which are cut into teeth like a saw. To 
add to the effect, imagine that all these weapons are 
forged out of the clearest glass instead of steel ; that the 
larger bundles may contain about fifty, and the smaller 
half as many, each ; that there are four bundles on every 
geo-men t, and that the body is composed of twenty-five 
such segments ; and you will have a tolerable idea of the 
garniture and armature of this little worm, that grubs 
about in the mud at low-water mark. 
Some of the Worms, both of the sea, and of fresh- 
waters, manifest a singular power of self-multiplication. 
In one or two species of Syllis, and in some of the genus 
