To KKI'OR'I (>|. OIMCK <»)■• KXI'KlilMKN'r '^'lATIONH. 



ill (Ifpicssii)^'- llic <li^n's(il>ili( y of riilioii-. ;iii<l lln- ii;ilii)'' sirid cause 

 of lliis circcl, I lie iMoccHH of (li^cslioii iis i II (1 iM'i !*•(•( | Ijy certain factors, 

 and llic cMcr-l of I n-iil nicnl «ir |)r<'|>aralioii of tlw feed on the dif^t'sti- 

 Mlil y of ils cons! il ik-iiI . A iiion^'' I In- fiindaniciiliil studies in animal 

 mil III ion iir<- llic inlliicncc of ap' and indisidiialily f»n metabolism 

 ill lalllc, an cxlciisixc in vest i//al ion iijxiii llic use uliicli animals 

 ailiially make of I heir food a( diOfrcnl |»criod:-: of <.'-ro\v(li, considered 

 IKnii ;i |>li vsiolo^ical slaiidpoinl, lln- i<i\>- of |)lios|)lialcs in animal 

 mil ril ion. lln- cMcels and iniporlancc of sar-ioiis oilier mineral con- 

 slitiienls, and I lie Kpecilic eH'ccI ofecilnin foods on llie jnodiict, such 

 US the haidiie : oi- solidity of pork niid lie- (limncAi'l of llie fal in 



iMlller. 



'I'liere are sc\'ei';il ((iiile elalK)rale projects dealinjj^ with llie less 

 iiiidei-slood proiieilie- of milk and I heir rehilion lo differences in its 

 niilrilive \aliie and Hie manner in which il aj/i-ees with |)er)ple; but 

 asitle from Ihese the dairy work is((iiile lar<4('ly on the hacteriolof^ical 

 side. I ii\ i's( i«;al ions are proposed upon haeleria oilier ih.ui disease 

 evi'ins in milk which are <le|i'imeii(al lo <li<;es(ion. the lein;ocytes 

 in milk iiiiijer normal and aluiormal comliiions and Iheir sanitary 

 sie;ni(ic;i lice, (he eoiisl il iieiil s (d" cheese and llieir chan<j:cs under the 

 iiilliieiicc (d' cerhiiii ehi^ses of l»;icteria, and l/iK'lei-iolorficjil and clieiii- 

 ic;il iii\ csl i<^al ions upon I he disposal of ci'eamei'v sewage, which is 

 found much more resislanl (Inn municipal sewujL^e, necessitating 

 inodiliciil ion of (he septic-tank method. 



In animal l)reedin<i', in\'esl ieal ions are lo he made in heredity and 

 upon (he elfeels of ilihreedinir. the latlei" heilief |)laiilie(| to he til'? 

 most systematic at(em|tt ever iiia<le (o sdidy the ellecis of inbreeding 

 upon <l(»iiiestic animals. In oilier invest i^atit)ns the breediui; of 

 aniiiKils iiiidc!' normiil and al)iiorm;il conditions is to b(? studied, th(> 

 elfect of <('rlaiii feeds, like co((oii-seed iiieiil. uj)on prepotency, and 

 the whiile problem of aililicial ini|)re<;na( ion. It is «'ncoura,i2;iu^ to 

 SCI' llie breeilin;- III' ;iiiiiiials (akeii lip ill a way to contribute moiv 

 exact and reliable kiiowlede-c. Se\fr;il odicr iii\'es( iii'a( ions in (hat 

 field lire beiii<i,° planiie(|. 



\'e(erinary science presents (|uile a list of niulerlakines of a thoi-- 

 oii<^h character relating' (o specific diseases, the imumni/in^- of ani- 

 mals, with a sliidy <d' the canes of naliiial iiiimiini(\. s(able \'eutila- 

 I ion ill relation lo the ret|iiiremenl> of lienlih, ihe jiclixc |)i'inci|)les of 

 plants |)oisonous to slock, and se\-eral (|nile ehiborate studies upon 

 I he li fe histoi-y of (he cad le ( ick as rclaletl to 'I'exas fe\ er eradication. 



ScNi-ral less usual topics are: .\ study of the conditions in the 

 incubation (d' ee;es under the hen as reeards leases and physical 

 factors, and (heir reprodiic( ion in ar(ilicial incubation; theo|)(imnm 

 condilioiis for ail ilieial incnbation in dr\ cliniate->; i-oiidiiions deter- 



