APPENDIX. 



LIST of apparatus and materials required in a begin- 

 ner's bacteriological laboratory: 



MICROSCOPE AND ACCESSORIES. 



Microscope with coarse and fine adjustment and 

 heavy, firm base; Abbe sub-stage condensing system, 

 arranged either as the "simple " or as the regular Abbe 

 condenser, in either case to be provided with iris dia- 

 phragm; objectives equivalent, in the English nomen- 

 clature, to about one-fourth inch and one-sixth inch 

 dry, and one-twelfth inch oil-immersion system; a 

 triple revolving nose-piece; three oculars, varying in 

 magnifying power; and a bottle of immersion oil. 



Glass slides, English shape and size and of colorless 

 glass. 



Six slides with depressions in centre of about 6 to 8 

 mm. in diameter. 



Cover-slips, 15 by 15 mm. square and from 0.15 to 

 0.18 mm. thick. 



Forceps. One pair of fine-pointed forceps and one 

 pair of the Cornet or Stewart pattern, for holding 

 cover-slips. 



Platinum needles in glass handles. One straight, 

 of about 4 cm. long; one looped at the end of about 4 



