6 



SPECIAL CASES. 



Page. 



The San Jose scale ^ 17 



The ])erio(lical cicada - 27 



The white-marked tussock caterpillar and its parasites 28 



The cotton bollworm ; corn-ear worm 41 



The Mexican cotton boll weevil 42 



MISCELLANEOUS EXHIBITS. 



Exhibit of models of insects, and of insects and injured plants 124 



Exhibit of " Riker" mounts of insects and plants which they attack 130 



Exhibit of native silk moths 131 



INDEX TO INSECTS EXHIBITED. 



Systematic names 133 



Common names 145 



