94 



SAMPLES OP COCOONS AND RAW SILK OP EUROPEAN 



ORIGIN. 



621. 1. Yellow Race, Cevennes, (France). 



622. 2. " " Drome and Isere, (France). 



623. 3. " " Var and Vaucluse, (France). 



624. 4. " " Bionne. 



625. 5. " " Piedmont, (Italy). 



626. 6. " " Lombardy, (Italy). 



627. 7. " " Tuscany, (Italy). 



628. 8. Green Race, Piedmont, (Italy). 



629. 9. " " Lombardy, (Italy). 



630. 10. " " Noukha, (Caucassian Russia). 



631. 11. White Race, Piedmont, (Italy). 



632. PLATES. 



From Mr. Pasteur's work, " Studies on the diseases of silk Avorms." 



633. CHART. 



Showing the mean annual production of cocoons per ounce of eggs in- 

 cubated, in the four principal silk producing departments of France, from 

 1872 to 1:882, inclusive. 



634. DIAGRAMS — Japanese. 

 Showing anatomical system of silk worm. 



635. COLLECTION OF EGGS, LARViE, MOTHS, AND COCOONS 

 OP VARIOUS NATIVE AND POREIGN RACES OP SILK 

 ■WORMS, LOANED BY C. V. RILEY. 



636. SILK REELED AT SILKSVILLE, KANSAS, IN 1878. 



From a strain of worms raised by C. V. Riley, and fed on Osage 

 Orange for seven consecutive years. 



637. REELED SILK — Sericaria mori, 

 Japanese Centennial Exhibit. 



638. REELED SILK AND COCOONS— Sericaria mori. 



Japanese Paris Exhibit. 1878. 



