Category: Science - Biology
Sir: I have the honor to transmit for publication a paper dealing with the subject of the house fly or typhoid fly. Previous publications of this department concerning this insect have been in circular form, but it is desired to make this information more widely available thro...
Sir: I have the honor to transmit for publication a paper dealing with the subject of the house fly or typhoid fly. Previous publications of this department concerning this inse...
2. Part 2The most effective enemy, however, is a fungous disease known as _Empusa muscæ_, which carries off flies in large numbers, particularly toward the close of the season. The epide...