Tank Nr. 2, 3. 



Tank Nr. 2. 



Fishes: Sea-crow (Corvina, fig. 57), dark -coloured, dark 

 lower fins. Box (fig. 12 and 13), silver with golden lines. 

 OUata (fig. 14), silver, with a black root to its tail. 

 These all feed on the green alga, the lettuce sea-weed 

 (Ulva lactucd) at the bottom of the tank. 



Fig. 12. Box hoops, 

 1 -2 nat. size. p. 97. 



Fig. 13. Box salpa, 

 */2 na t- size. p. 97. 



Fig. 14. 



Obiata melanura, 

 V>2 nat. size. p. 97. 



Tank Nr. 3. 



Containing Molllisks. 



1. Cephalopods (p. 76). "Squid or Calmar (Loligo, fig. 15), 

 delicate, transparent, and fish-like, with large eyes, swim- 

 ming up and down the tank. 



