Category: Science - Biology
Before entering into the subject of the setting of Objects for the Microscope, the student must be convinced of the necessity of cleanliness in everything relating to the use of that instrument. In no branch is this more apparent than in the _preparation_ of objects; because a...
they are intended to be used with the lieberkuhn and dark background, by which means some of them are rendered exquisitely beautiful. The usual way of mounting them in balsam is...
5. CHAPTER II.The term “dry” is used when the object to be mounted is not immersed in any liquid or medium, but preserved in its natural state, unless it requires cleaning and drying.
14. Chapter II.If the bone is not sufficiently hard in its nature to bear the above method of handling whilst grinding and polishing--as some are far more brittle than others--as thin a sectio...
15. CHAPTER VI.1. Injection is the filling of the arteries, veins, or other vessels of animals with some coloured substance, in order that their natural arrangement may be made visible. This i...
16. CHAPTER VII.It must be evident to all readers that there are various objects of interest to the microscopist which cannot be properly placed amongst any of the forementioned classes, but mu...
3. CHAPTER I.Before entering into the subject of the setting of Objects for the Microscope, the student must be convinced of the necessity of cleanliness in everything relating to the use of...
6. Chapter IV.Next to the Diatomaceæ, no class of microscopic objects has been more looked into of late than the Foraminifera. These animals are almost all marine, having a jelly-like body en...
11. CHAPTER IV.There are many objects which would lose all their distinctive peculiarities if allowed to become dry, especially those belonging to the fresh-water Algæ, many animal tissues, an...
13. Chapter III.Sections of some exquisitely beautiful objects are cut with much less trouble than the above. The Orbitolite, for instance, may be prepared in this manner. Take the object and b...
4. Chapter IV.)BLACK JAPAN.--This is prepared from oil of turpentine, linseed oil, amber, gum anime, and asphalt. It is troublesome to make, and therefore it is much better to procure it at th...
8. CHAPTER III.Perfect dryness of the objects is, if possible, more necessary in this mode of mounting than any other, as dampness remaining in the object will assuredly cause a cloudiness to...
9. Chapter IV.), and filled with balsam. The best mode of doing this isthus described by Mr. T. S. Ralph in the _Microscopic Journal_:--“The question was asked me when I was in England, if I knew how to fill a cell with Canada balsam and leave behi...
12. CHAPTER V.Many objects are almost worthless to the microscopist until the extraneous matter is removed from them; and this is frequently difficult in the extreme to perform satisfactorily...
7. Chapter III.The _eyes of insects_ are sometimes allowed to dry in their natural shape, and mounted as opaque objects; but generally they are used as transparencies in balsam or liquid, so t...
1. CHAPTER V.2. CHAPTER VII.