28 



Part first. 



Fig. 70. Maja squinado (Spider-crab), 1/2 nat. size. p. S4. 



Tank No. 14. 



Fishes. Small kind of Serranus, e. g. Lettered-perch (fig. 71), 

 with cross-bands of brown and silver. 



The plants {Posidonia Caulini) are not true sea-weeds 

 (Algae) but a kind of flowering plant. 



Fig. 71. Scrramis scriba (Lettered-perch), '/2 nat. size. p. 114. 



