ZOOLOGY AND BOTANY, MICROSCOPY, ETC. 



723 



in order that it may be grasped more readily. The strips a a rest in 

 rebates in the strij)s 6 b. These rebates are of such a depth that when 

 the strips a a are in place, the upper surface of one of the thickest 

 slides in use will be just a trifle lower than the top of the strips b b. 



Fig. 153. 



The cover-glass or cell upon the slide may project above the top of 

 the strips b b. The object will then extend up into the space e of the 

 drawer above. This space should hence be high enough to admit the 

 deepest cells. 



The partitions between the sides of adjacent slides are merely 

 short, thin strips of wood, tin, or better, ferrotype plate, set at proper 

 intervals in grooves sawn across the upper part of the strips b b. If 

 'desired, the portions may be continuous across the drawer, but the 

 short strips seem to serve every purpose, and are more easily inserted. 

 If a cabinet has been entirely divided up for slides 1 in. wide, and it 

 is desired to insert one 2 in. wide, a portion can be removed without 

 in any way disturbing the rest of the drawer. 



When these drawers are inserted in a cabinet, the strips b b are 

 allowed to slide upon, or at least approach very near to, the corre- 

 sponding strips of the drawer below. In case of overturning, the 

 slides are held in place by the side projections of the strips b b of 

 the drawer above. The two outer strips b b of each drawer form the 

 sides of that drawer, the side projections of the strips in this case 

 sliding in grooves in the sides of the cabinet, thus supporting the 

 drawer. In the front and back of the drawer, it should be observed 

 that the part opposite the space e must belong to the drawer beloic, in 

 order that the deeper cells may not be injured when the drawers are 

 slid in or out. The irregularity thus produced may be rendered 

 inconspicuous by placing over these portions the porcelain tablets 

 usually used for the numbers of the drawers and of the contained 

 slides. 



Transmitting Sections by Post.* — Mr. R. N. Reynolds, having 

 occasion frequently to send sections by post, has successfully used the 

 following plan by which the objects are kept saturated with alcohol 

 without infringing the law forbidding the postage of liquids. 



In a wide-mouthed half-ounce bottle a little alcohol is placed, 

 sufficient to saturate the papers used in packing the sections. Some 

 2 in. squares of tissue paper are then cut, on which the name of the 

 section is written with a lead pencil ; on this the section is placed 

 and the paper folded over it, care being taken not to fold the section ; 

 the parcel is then dropped into the bottle, resting flat on the bottom. 



* Proc. Acaer. Soc. Micr., 8th Ann. Meeting, 1885, p. 124. 



3 b 2 



