l62 



BEES AND BEE-KEEPING. 



outline (r, r, r, C) in horizontal position shows. At B, 

 each three is thrown into a concave form. From this 

 it is evident that, if the cells on the two sides of the 



Fig. 36.— Comb Structure. 



A, Section of Comb (Natural Size)— ab, Midrib; c, d, Cells. B, Midrib, consisting 

 of Three Rhombs for each Cell (Natural Size). C, Rhombs and Cell Sides 

 Magnified Three times — r, Rhombs of Cell Base ; s, Sides ; o, Obtuse Angles 

 of 109° ; a, Acute Angles of 71°. D, Cardboard Pattern, which Folds into Two 

 Cells ; Lettering as Before. E, Rhomb Giving Ratios of Diagonals, ef and gh. 

 F, Cross Section of Comb, showing that the Inclination of the Rhomb does not 

 affect Storage Space. G, Section of honey-comb, Showing Curvature of Cells. 



comb stood immediately opposite, the concave bases 

 of the one side would present the extreme incon- 



