452 



INDEX 



Wind observations, 17 



scale, 422 



Wire rope, dredging and trawl- 

 ing, 271-274 

 greasing, 277, 279 

 sounding, 277, 278 

 tow nets, 190, 279 

 water bottles, 50, 201 

 Worms, of plankton, 175 

 shore collection, 77 

 See also Chaetopoda, etc. 

 Wyville Thomson Ridge, 208 n. 



Yacht deep-sea work, 271-280 

 Equipment, Chapter VIII. 

 266-288 



Yacht handling, 292-295, 300, 



304. 305 



laboratory, etc., 283-288 

 shallow work, 280-283 

 steam haulage, 266-271 



Young fish net, 341, 342 



Yngel-trawl, 341, 342 



Zalophus, 408 

 Zeuglodon, 414 

 Ziphioid whales, 398, 399 

 Zoea larva, 181, 182 

 Zoological stations, 423-429 

 Zooplankton. See Animals. 



floating 

 Zostera, 126 



THE END 



BILLING AND SONS, LTD., PRINTERS, GUILDFORD 



