Fig. i, plan of hatching house, A A A A, plan 

 of the upper rooms or fireplaces ; F, passage 

 between ovens ; g g g g, doors ; e e e e, opening 

 between ovens and fireplaces ; G G, rooms for 

 attendants, fuel, etc. Fig. 2, section of hatching 

 house; A, upper rooms or fireplaces; B, lower 

 rooms or egg ovens. Fig. 3, plan of upper rooms 

 or fireplaces ; fire placed at a, b, c, d. Fig. 4, 

 lower rooms or ovens, showing eggs in place. 

 Figs. 5 and 6, sections from back and front of 

 upper and lower rooms. 



