ISIK}. 



.■\1I('IJ()S('()1'|('.\L .lorilNAI.. 



■2\U 



wliicli causes a disease of tlie feet of cattle. One who has seen 

 a niddi' of fuii^^^id «j;n)Wth (.an see at aj^lance howahiiostiiiipos- 

 sihle it would he to eradicate the inyceliuni after it had gotten 

 started. In one case, however, the ingenuity of man has turned 

 fungoid jdants to account. It is in the case of thechinch-ljug. A 

 fungus has heen discovered which if it is sown in fields infested 

 with that insect i)est will attack the insect and develo]) rapidly 

 enough to cause the creature's death. 



Allied to these fungi, also, are those wliicli cause the decay of 

 fruit, and even the teeth of man are ahle to su|»|tly the proper 

 nutriment of a fungus which causes their decay. The whole 

 immense field of thehacteria lies nearhy these interesting plants 

 and some citations to it are givi'U in the partial hibliography 

 which follows. 



5. — Collateral Reading. 



De llaiy. Moipliolojiv ot' llu- I'un^i. 

 Cooke. Fungi. Iiitfiiiatioiial Scicn- 



titic Scries. 

 Huxley and Martin, rnutical lUol- 



Howes. Atlas of Biology, plate XIX. 

 Aun. Kep. U. S. Dep. Agriculture, 



1887, p. 323. 

 Auu. Kep. U. S. Dep. Agriculture, 



1884, p. '2V2. 

 Carpenter. The .Microscoi)e, p. Mi2. 

 EiH-yclopcdia I'.rittannica. "Tungi," 



' 'Scliizoiuy cetes. ' ' 



Biological Laboratory ol' llamline L Diversity, 

 St. Paul, Minn., August 29th, 1893. 



Tyndall. Floating Matter in tiie .\ir. 



Stei nberg. Bacteriology. 



Strausberger. Practical liotany. 



Prndden. Dust and its Dangers. 



Klein. Micro-organisms and Dis- 

 ease. 



Schutzenberger. Fernieut^ition . 



Truessart. Microbes, Moulds and 

 Ferments. 



In addition to the alwve, see al.sothe 

 text-books ot Botany, su<li as Be.s- 

 sey's Botany, Sach's, old edition 

 and other standard text- books. 



Fragile objects, — Soakthem in a solution of gum arable and 

 glycerine (_seven parts to one part) so as to toughen them; 

 you can then handle them without breaking. 



Prices of Drugs. — The average price of drugs is o] times as 

 much in the United States as in Denmark. What costs 75cents 

 in New York can be bought in Copenhagen for 20 cents. In 

 Norway, Sweden, Belgium, Germany, Austria, Holland, Hun- 

 gary, Switzerland, and Portugal, the prices of drugs average less 

 than half what they average in the United States. 



