126 MANUAL OF ZOOLOGY SECT. 



pole of the globular body, there will be observed a series of 

 eight bands of flashing points of light. These are found, 

 when examined more closely, to consist of rows of long cilia, 

 which run at right angles to the long axis of the band. 

 The cilia of each row are cemented together at their 

 bases, free from one another distally, so that each row 

 is comb-shaped, the basal cemented parts of the cilia 



FIG . 61. Hormiphora plumosa. A, from the side, B, from the aboral pole. 

 inth. mouth ; s pi. swimming plates ; t and b, tentacles. (After Chun.) 



forming the back of the comb, the free portions the teeth. 

 It is by the paddling action of the numerous swimming- 

 combs of these eight bands that the Ctenophore is propelled 

 through the water. 



Laterally there is situated a pair of long slender tentacles, 

 each provided w r ith numerous little tag-like processes, and 

 having its base lodged in a sheath into the interior of 



