THE SCHOOL OF THE SHORE 3 
I. THE SHORE OF THE SEA (Littoral). 
II. THE OPEN SEA (Pelagic). 
III. THE DEPTHS OF THE SEA (Abyssal). 
IV. THE FRESH WATERS (Fluviatile, La- 
custrine, etc: ). 
V. THe Dry LAND (Terrestrial). 
VI. THE Air (Aérial). 
THE SHORE OF THE SEA 
By the shore-haunt or littoral region natu- 
ralists mean more than is suggested in ordi- 
nary conversation when we speak of the sea- 
shore. For then we mean the stretch between 
tide-marks, whereas the naturalist’s shore- 
haunt is the whole of the comparatively 
shallow, well-lighted, seaweed-growing area 
round the margin of a continent, or of an 
island that was once part of a continent. 
There are places where there is practically no 
shore; for instance round an oceanic island 
that has been formed by corals growing on the 
shoulders of a submarine volcano. In such a 
place a stone thrown out from the land will 
drop—kerblunkity blink—into really deep 
water. And there are other places where the 
shore goes out and out for many miles; for 
