LIPE IN THE OCEAN. C9 
b - v ‘lie sea TOs feTsu™ 1 '! °f “‘“’/“S *•» Mag creatures sheltered 
■a 1830. Th“ 'I, ? SM “ ^ “• Ci “lc« dee Moulin, of Bordeaux, 
according to the bein ^ ^ 18 cbar g e d wit h fresh or salt water, 
purpose for the inhabit 7 mtended to contain, serves the same 
bm] s of the air-cages of ll tb ° aviary does for tke 
wicker-work, and^ter in I l T 8 ® P lace of iron wire or 
When , i”? “taospherie air. 
crustaceans, o° fishes it istli Y'f 1 w,ter ' «ad with mollusb, 
los - its transparenc; and tr^ ’ f 7 * *" *** tbat tke ^ 
necessarily follows that the water COrril P t ' I* 
Changing the water, however ° from tim « to time, 
to the animals. Besides the new w 8uffenn g> and even death 
same composition, the same aeration* or f ^ P resent tl,e 
that which is replaced. To obviate this fT tem P eraturo with 
ot Nature’s book, M. Monlins proposed fo ect ’. ailcl taking a leaf out 
number of aquatic plants flE r put mto tb * vase a certain 
example— which would act upon th! Merged — duckweed, for 
that of the animals inhabiting it \ ^ “ ®, direction inverse to 
1 ecarhon, while decomposing the carhlt ! TCgetables «*ni- 
atmn of animals, thus disen g!gW &e P J.° duCed by the respi- 
c. In this simple manner was the necoZ® v QdlSpeilsable to animal 
6 Samo ba PPJ idea has been succcssfidl^ ^ ° f Water ° bviated - 
aquariums for salt water plant, and w J t0 SaIt Wa ter, and 
f-f Scale - That of the “d 3 F °P 08ed on a 
Boulogne, inaugurated in 1861 is nmW H m tbe B “s de 
It is a solid stone huildiim of fiftv l ^ P - *5® largest in the world, 
hroad, presenting a range of by aboat twelve 
north and south. The reservoirs am*™/ Augers slate > running 
ront the strong glass 0 f Saint Gobain P resentin g J n 
Pemg seen. They are lighted ftT , Whlcb P ermit * the interior 
greenish, uniform, and ^ the Pgbt » ™ak, 
pretty exact imitation of the Bubmarfo Tu! gl ° 0my ’ a 
ach reservoir contains about two hundr ^ 1) B ° mG fathoms down, 
furnished with rocks disposed a Set thT 1 8 *"? ° f ™ ter - » is 
’ 1 “dei to gi TC certain animals a sufficiently natorai 
