INDEX. 



710 



Worms, nemertean, 210 



parasitic, 145, 146 



phosphorescent, 237 



round, 163 



strobilation in, 144, 145 



tape, 153 



thread, 163 



trematode, 146 

 Worm, whale's tongue, 219 



Wren, 555 

 XIPIIOSURA, 324 



ZEUGLODON, 595 

 Zoantharia, 79, 91 

 Zoanthus, 79 

 Zoea, 313 



Zoogeography, 16, 658 

 Zooids. 202. 210 



