| Comparison with 1861 | 
| 
 | 
| would have broken into each other from the opposite sides.  The bees, however, did not suffer this to happen, and they stopped their excavations in due time; so that the basins, as soon as they had been a little deepened, came to have flat bottoms;  
and these flat bottoms,  
formed by thin little 
plates of the vermilion wax having been 
left ungnawed, were situated, as far as the eye could judge, exactly along the planes of imaginary intersection between the basins on the opposite sides of the ridge of wax.  In parts, only little bits, 
in other parts, large portions of a rhombic plate had been 
left between the opposed basins, but the work, from the unnatural state of things, had not been neatly performed.  The bees must have worked at very nearly the same rate on the opposite 
sides of the ridge of vermilion wax, 
 as they circularly gnawed away and deep- ened the basins on both sides, in order to have succeeded in thus 
leaving flat plates between the basins, by stopping work along 
the intermediate 
planes or planes 
of intersection.| as they circularly gnawed away and deep- ened the basins on both sides, 1861 |  | as they circularly gnawed away and deepened the basins on both sides, 1859 1860 1866 |  | OMIT 1869 1872 | 
 | 
|  | 
| Considering how flexible thin wax is, I do not see that there is any difficulty in the bees, whilst at work on the two sides of a strip of wax, perceiving when they have gnawed the wax away to the proper thinness, and then stopping their work.  In ordinary combs it has appeared to me that the bees do not always succeed in working at exactly the same rate from the opposite sides; for I have noticed half-completed rhombs at the base of a just-commenced cell, which were slightly concave on one side, where I suppose that the bees had excavated too quickly, and convex on the opposed side, 
where the bees had worked less quickly.  In one 
 well-marked instance, I put the comb back into the hive, and allowed the bees to go on working for a short time, and again examined the cell, and I found that the rhombic| well-marked 1859 1861 1866 |  | wellmarked 1860 |  | well marked 1869 1872 | 
 | 
 
  
  
| would have broken into each other from the opposite sides.  The bees, however, did not suffer this to happen, and they stopped their excavations in due time; so that the basins, as soon as they had been a little deepened, came to have 
 flat bottoms; and these flat 
 bottoms,| flat bottoms; 1859 1860 1861 1866 |  | bottoms with flat sides; 1869 |  | flat bases; 1872 | 
formed by 
 thin little| bottoms, 1859 1860 1861 1866 |  | sides, 1869 |  | bases, 1872 | 
plates of the vermilion wax 
 having been| thin little 1859 1860 1861 1866 1872 |  | little thin 1869 | 
left ungnawed, were situated, as far as the eye could judge, exactly along the planes of imaginary intersection between the basins on the opposite sides of the ridge of wax.  In 
 parts, only little bits,| having been 1859 1860 1861 1866 |  | having been1869 1872 | 
in other parts, large portions of a rhombic plate 
 had been| parts, only little bits, 1859 1860 1861 1866 |  | some parts, only small portions, 1869 1872 | 
left between the opposed basins, but the work, from the unnatural state of things, had not been neatly performed.  The bees must have worked at very nearly the same rate 
 on the opposite| had been 1859 1860 1861 1866 1869 |  | were thus 1872 | 
sides of the ridge of vermilion wax, 
 as they circularly gnawed away and deepened the basins on both sides,| on the opposite 1859 1860 1861 1866 |  | in circularly gnawing away and deepening the basins on both 1869 1872 | 
in order to have 
 succeeded in thus| as they circularly gnawed away and deepened the basins on both sides, 1859 1860 1866 |  | as they circularly gnawed away and deep- ened the basins on both sides, 1861 |  | OMIT 1869 1872 | 
leaving flat plates between the basins, by stopping work 
 along| succeeded in thus 1859 1860 1861 1866 |  | thus succeeded in 1869 1872 | 
the 
 intermediate| along 1859 1860 1861 1866 |  | at 1869 1872 | 
planes 
 or planes| intermediate 1859 1860 1861 1866 |  | intermediate1869 1872 | 
of intersection.| or planes 1859 1860 1861 1866 |  | or planes1869 1872 | 
 | 
|  | 
| Considering how flexible thin wax is, I do not see that there is any difficulty in the bees, whilst at work on the two sides of a strip of wax, perceiving when they have gnawed the wax away to the proper thinness, and then stopping their work.  In ordinary combs it has appeared to me that the bees do not always succeed in working at exactly the same rate from the opposite sides; for I have noticed half-completed rhombs at the base of a just-commenced cell, which were slightly concave on one side, where I suppose that the bees had excavated too quickly, and convex on the opposed 
 side, where the bees had worked less quickly.  In one 
 wellmarked| side, 1859 1860 1861 1866 |  | side 1869 1872 | 
instance, I put the comb back into the hive, and allowed the bees to go on working for a short time, and again examined the cell, and I found that the rhombic| wellmarked 1860 |  | well-marked 1859 1861 1866 |  | well marked 1869 1872 | 
 |