habits of these, uls-?. that he max team to appreciate an-i 

 iwoteet them. 



Tljere is als*? a wi«le field for smiy f ;«iiiid in th^iS^ iid>zro~ 

 tcopic fonns of animal and t _ '^ life. — Li-h e3i5t in 

 eoontless mTriads aroond trs. aziid " a5eer, more or 



less serioQslT. the interests of the f^^— ='. Tiii -iise&aeii 

 and mndiolesonie mlLk: may hs-"^ _ . -_ ^-. c-i thus by the 

 mi .;-ro6CCjHC contents of Ae w^icr~_: " r^sr ir-rifnim 

 the stagn^it pool, and which have ri zd her 



product, to an almost incooeeivahle extent, and have t«af- 

 fled all att^npts to eonvet her ^--^'IV into good biitter or 

 cheese. 



Countless mieroscopic spc*«s, and germs of putrefadiiofl. 

 in various forms, infest tbe air. causing m . i. "^!Iirw. 

 blight and vegetable mst to fasten c; i r .er's crops 



and st<»es- Even in the yeast used by the h-r-iLseTrife. 

 there first springs up this kind of ves^etaMe life, "arhich is 

 soon succee»ied by a swarm of animal lifie, which, in tam. 

 decays, and c(»i\ials the wholf "-• rmtrid Q2dks<^ emit- 



ting that unwholesome odor peviL^^ ro stale yeskst, espe- 

 ciallT to that -^ed larsrelr of milk:, and. of eooise, 



rendering it unlit for use, Th^ port h^ fattens may coo- 

 tain the gemxs of parasitical disease, which he - le«ra 

 to detect and destroy. The tape worm, trichina, etc are 

 examples of this. A knowledge ^r^ diis wvsid of minute 

 existences is j«v^»eriy embraced in the scope of an agrical- 

 tnral education. 



These are some of the most obvioos subjects for thought 



