6 
List of the Contents of each Tank. 
Tank Ho. 
6 . 
7. 
8 . 
9. 
10 . 
Fishes. Scorpaena (p. 76), ragged and red, with red 
eyes. *Lichia (p. 90), a small kind of mackerel. 
Crustaceans. Lobster ( Homarus , p. 36). 
Sea-weeds. Codium elongatum (a green alga). 
Fishes. Grey Mullet (. Mugil ), see Tank 16. 
Crustaceans. Crawfish or Spiny-lobster (. Palinurus , p. 38), 
like a lobster without pinching claws. Spider-crab 
(. Maja , p. 43), a pear-shaped body in the middle of 
ten legs. Flat-lobster ( Scgllarus , p. 39), lobster-like 
with short fiat legs and claws. 
Sea-weeds. On the walls is a purple velvet-like 
covering. 
Sea-anemones. The larger ones are Anemonia (p. 16). 
Sea-anemones. In the foreground (isolated) the crim¬ 
son-purple Cereactis (p. 16). 
Corals. In the background the orange-coloured Astro- 
ides (p. 16), often like slugs. 
Fishes. *' Conger ( Conger , p. 79), conspicuous, if present, 
four or five feet long and eel-shaped. Bass (. Labrax , 
p. 84), salmon-shaped, with silver scales. Gilt-head 
[Chrysophrys , p. 86), oval and blunt-headed, with 
white marks over the eyes (effect of light in this tank 
and black splotches on the side of the neck (see 
tank 5). Serranus gigas (p. 83), heavy, often motion¬ 
less for a long time, in mid-water, and frequently 
in a characteristic sloping position; reddish brown, 
mottled white, no silver. Polyprion. Grey, slightly 
silvery, less heavily shaped than Serranus , fore-head 
pushed in; three or four triangular bony flaps each 
side of the neck, covering the gills. # Sting-ray 
( Trygon , p. 71), with black wings and long black tail. 
# Smouth-hound ( Mustelus , p. 69), a small grey shark. 
— Generally heaped on the bottom aginst the glass 
are Spotted Dog-fish ( Scyllium , p. 68). The dog¬ 
fishes and sharks are lithe fishes with the mouth 
under and five gill-holes each side of the neck. 
Flat on the ground are the Angel-fish ( Squatina , 
p. 69), big and grey, and the # Angler-fish ( Lophius , 
p. 73), brown and ragged with tufts like sea-weed. 
Reptiles. Turtle ( Thalassochelys , p. 90). 
