ZOOLOGY AND BOTANY, MICROSCOPY, ETC. 



521 



while the outflow tube is short, and cut off close to the stopper. Some 

 cotton-wool is placed at the bottom of each tube. The upper end of the 



Fig. 138. 



Fig. 139. 



!«!!!|i||5!ll 



first tube is provided with a funnel. The test-tubes may be arranged 

 on the same level or stepwise. 



(3) ■ Cutting-,_including; Imbed.d.mg-"ari<l Microtomes. 



Neuberger's Simple School Microtome.* — Prof. Neuberger, of Frei- 

 burg in Baden, has invented this instrument as an improvement on the 

 small student's microtome of Jung. While Jung's is admirable for cutting 



* Zeitschr. f. wiss. Mikr., xvii. (1900) pp. 1-6 (4 figs.). 



