INFUSORIA. 89 
excretory anmdZZ al,mentar y cavity, and that this cavity has an 
SurZ T ' e dlStmct from the m( nub. 
phosphor^cem p' ^ nodiluca while investigating the cause of 
the basins - sot Sea . water at Havre, where it was abundant in 
surface of the Z m SUcE Sundance as f° form a crust on the 
creature” Z , Tl ° ??***** Sickness. » This singular little 
granules probablv TC ° ’ Z* 8 ' lerG and tllere iu its interior certain 
disappear with ZffZ’ J? Z° luminous P oints - which appear and 
lustre.” The nmtiluca^ ' J ' * le ast agitation determining their 
some parts of the channZtlTr ln the Mediterranean and in 
W rendered *** ° f « ^ich has 
there exist about twenty-five thouslnZ lt 18 calculated ^at 
vU.ass Infusoria. 
ever-moving beings, of dimensions’ sTsmlfi f Z ° f active > 
the naked eye ; these minute creatures Z ^ ma PP recia ble to 
thousands of millions in the ZZl dlS86 “ mated ^ millions and 
would have escaped us as theZJ Zo Z & knowle(] ge of them 
but for the discovery of the 7 P Z Wl ^ e of ancients, 
been happily expressed by rZZ’ ^ Z* 1 S6mSe ° f lnan > as bus 
writer rf equally it ^ P«* Michelet. Another 
animalcules are so small that’ a 1 ** °e ’ ^ US ttat tlie infusorial 
many millions. They exist in ,ii Z <>f may contain them in 
«» cold a. *11 as L i,i, fre * “ «U *■ the salt, 
cl'^iog U, e ,„ la „„ qu , oKfa *" *- 
l ie Ganges transports them in r .,, P 
efiual to six or eight times the si ze 0 ftl ^ “ masses 
Among these animalcules, according to ElZl VJ ™ mid of E ®'P L 
seventy-one different species. ° Ebl 'enberg, we may reckon 
1118 •» tie 
allowance lor erroneous lendings')" twlSaXl '“i 'T'T' 
4l, Y°T ! *** »*“«» could not 
ninsoru ale still met w.th ,n myriads; those whi cli , e re 
