ON THE LIFE HISTORY OF UGIMYA. 43 



Fig. 12, 13, 14. Silkworms infested by maggots, a. Dark patches 



around stigma. \. 

 Fig. Id. Pupa of a silkworm infested by a maggot, a. Dark patches 



around stigma, j. 



PLATE lY. 



Fig. 1. Umiko. 7. 



Fig. 2. Tareko. \. 



Fig. 3. „ \. 



Fig. 4. Maggot leaving the cocoon of silkworm, a. maggot, y . 



Fig. 5. Cocoon with a round hole at one pole. { . 



Fig. 6. Maggot changed into pupa while leaving cocoon, a. Hole 



in silkworm pupa through which maggot has got out. h. 



Puparium. \. 

 Fig. 7. Dorsal view of adult maggot. J. 

 Fig. 7 A. Ventral view of adult maggot. \. 

 Fig. 8. Adult maggot, a. Fleshy protuberance. h. Minute black 



seta?, c. Circular space with a brown rim. d. Narrow 



brown ridge. 1,2,3-12. Number of segments. {. 

 Fig. 9. Top view of the first segment of maggot, a. Hooked jaw. 



h. Circular space with a brown rim. f- 

 Fig. 10. Side view of the anterior three segments (^1,2,3.) of adult 



maggot, a. Narrow brown ridge, h. Circular space with 



a brown rim. ~. 

 Fig. 11. Digestive canal of maggot, a. Salivary gland, c. Œsopha- 



gus. e. Proventriculus. /. Blind sac. ch. Chylific stomach. 



m. Malpighian vessel, il. Ileum, r. Rectum. a7i. Anus, 



ja. Jaw. i- 

 Fig. 12. Salivary gland, magnified, a. Glandular cell with a large 



nucleus ( 6 ). 



