132 



THE PACIFIC-COAST SLLKMOTH. 



Salnia rtibra Behr. 



Exhibit: Larva and adult. 



THE POLYPHEMUS SILKMOTH. 



Telea polyplwmus Linn. 



Exhibit: Cocoon, adult, and figure. 



THE LUNA SILKMOTH. 



Tropsea luna Linn. 



Exhibit: Larva, cocoon, and adult. 



MISCELLANEOUS EXHIBITS. 



SILKWORMS. 



The rearing* of silkworms will be conducted on a small scale through- 

 out the summer. Eggs will be kept in cold storage, so that all stages, 

 from the egg to the full-grown larva spinning its cocoon, may be seen 

 at any time during the season. 



LIVING INSECTS. 



By means of aquaria, vivaria, and other forms of insect cages living 

 insects will be on exhibit, feeding on their natural food plants and under- 

 going their usual transformations. 



Some of the more important economic species injuring cotton and 

 apple will be reared on growing" specimens of these plants. In the 

 smaller aquaria ma} T be seem stages of some of the species of mosqui- 

 toes frequenting St. Louis and vicinity. 



There will also be exhibited one box illustrating' the methods of 

 mounting insects for shipment and for permanent preservation in col- 

 lections; also numerous photographs showing spraying machinery, 

 reeling of silk from cocoons, silk machinery, etc. 



