Report IV, U. S. Entomological Commission. 



Plate XXXVII. 



Fig. 1. 



gi r— ? i t^4-^— t a 



r" r^ rfl 



eq: 



Fig. 4. 



Fig. 5. 



The W. J. Daughtrey Automatic Atomizer (continued) and the C. Steinmann 



Vaporizer. 



