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TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 



being attached to a small otter-board worked from the 

 ship's side far forward for comparison with the others at 

 the stern. 



The yacht was furnished with a small " Lucas " 

 sounding' machine, having 400 laths, of steel piano wire, 

 which has been found to be of service in giving rapid and 



Fig. 3. — " Hensen,'' "Nansen," "Funnel" and "Open" Planktoo 



nets on " Ladybird." From a photo by Edwin Thompson. 



accurate soundings, and for the water-bottle and ther- 

 mometer in the hydrographic work, and also on occasions 

 for taking vertical hauls with the Nansen nci (fig. -I). 



We have also added to the equipment for the 

 liydrographic work an Eknian Water-bottle provided with 

 lvichter's thermometers and, for occasional work, the 

 lighter Buchanan-Richard (or "Monaco") Water-bottle 

 (fig. ')) as used on the Prince of Monaco's scientific yacht 

 " Princesse Alice." 



