342 KENNEL DISEASES. 
ceenurus cerebralis. Manifestly, therefore, were a dog harboring this worm to 
be kept on a sheep-farm, he would be a grave menace to the flock. 
Tenia Cucumerina is the most common tape-worm of the dog. It is of 
reddish-white color, from four to sixteen inches in length, and has a very small 
head and long and slender neck. The segments or joints are elliptical, hence 
the name tenia elliptica sometimes applied. At first very narrow, they gradu- 
ally broaden; and because of their being rounded at the corners, and shaped 
somewhat like cucumbers, the worm was given the name by which it is com- 
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Tenia Serrata, natural size. (Von Siebold.) 
monly known. When fully matured and abounding in eggs, the segments 
break from the line or chain on which they have formed. Remaining within 
the small intestine for a long time as independent worms, they eventually 
crawl down through the large intestine and out of the body, or are ejected 
with the waste matters. 
These segments are deposited about the quarters of the dog from which they 
come,—on the floor, in the bedding, etc.,— and not a few of them are taken 
up by him on his coat. Retaining for a time their vitality and power of 
motion, they crawl and wiggle about among the hairs, and deposit therein 
ripe eggs, with which each one is heavily freighted. 
