APPENDIX. 



List of apparatus and materials required in a be- 

 ginner's bacteriological laboratory : 



MICROSCOPE AXD 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-fiDurth 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 pattern, for holding cover-slips. 



Platinum needles in glass handles. One straight, of 

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

 4 cm. long; and one straight of about 8 cm. long. 



