ZOOLOGY AND BOTANY, MICROSCOPY, ETC, 
811 
(3) Cutting-, including Imbedding and Microtomes. 
Improvement in Thoma’s Sliding Microtome* — Prof. R. Tkoma 
has recently made an improvement in his microtome (fig. 94) whereby the 
Zeitschr. f. Wiss. Mikr., vii. (1S90) pp. 161-4 (1 fig.). 
