I70 



DISCOVERY REPORTS 



Fig. 2. The Biological Laboratory in the 

 R.R.S. 'Discovery', seen from the port 

 door. 



A wide-angle view to show both sides of the laboratory: 

 to obtain the correct perspective and idea of size, bend the 

 page in a semicircle. 



jars containing 75 per cent spirit, 10 per cent formalin and formalin of full strength. 

 The supplies from these jars are led by rubber pipes to glass taps, mounted close 

 together on a wooden base.^ The jars are refilled by means of a small Merryweather 

 hand pump, provided with rubber intake and outlet pipes. In practice this arrangement 

 proved very convenient, but much labour would have been saved if it had been possible 

 to accommodate larger jars. Successful hauls yielded vast quantities of material, and 

 even when all the larger animals had been separately accommodated in tanks or stone- 

 ware jars, 20 litres of spirit frequently proved insufficient. The dilute formalin jar also 

 had to be refilled continually during plankton investigations. 



The rack for bottles, shown in Figs. 2 and 3, added greatly to the efficiency of work 

 in confined quarters. It is built over a set of baize-lined drawers in which tubes were 

 stored, and holds, in felt-lined pigeon-holes inclined at an angle of 20° from the 

 horizontal, all the types of bottle used for the preservation of specimens. The main 

 supply of bottles was kept in one of the holds, packed in felt-lined boxes, and in the rack 



1 The arrangement shown in Fig. 3 was found inconvenient and was modified at an early date to that 

 shown in Fig. 2. 



