ON THE LIFE HISTOET OF UGIMYA. 41 



Fig. 11. Showing the position of eggs on the leaves of mulberry trees. 

 Highly magnified. 



PLATE II. 



Fig. 1. Sexual organ of Ugimya (male), a. Testes, h. vas deferens. 

 c. Penis, g. Anus. h. Common tube. li. Seminal reser- 

 voir, y. 



Fig. 2. Penis (c) with clasper (6). a. Anus. f-. 



Fig. 3. Sexual organ of Ugimya (feniale). a. Ovary, h. Oviduct. 

 c. Vagina. a. Receptaculum seminis. e. Cement gland. 

 /. Air-tubes. |. 



Fig. 4. Ovipositor of ditto, a. Opening of vagina, h. Anus. c. 

 Chitinous plate, -y , 



Fig. 5. Receptaculum seminis. a. Its broader end. h. Long chiti- 

 nous tube. c. Delicate cellular layer, f • 



Fig. 6. Surface view of an ovarian tube. a. Tunica propria with 

 nucleii (c). h. Epithelial layer, d. Terminal thread, c. Ger- 

 mogen. /. Egg-tube proper. ^. Egg- cell. A, //. Egg-cells 

 of more advanced stage, i. Granulated yolk. j. Mature egg. 

 I: Chorion. /. Micropyle. f". 



Fig. 7. Egg taken out of the posterior portion of vagina. Seen 

 from its flattened side. m. Micropyle. f . 



Fig. 8. Maggot taken out of the agg. ■--■• 



Fig. 9. Newly laid egg of ugimya. 7^. 



Fig. 10. Germogen with a part of egg-tube proper a. Group of 

 nucleated cells surrounded by the epithelial layer. ^. 



Fig. 11. Digestive canal of Ugimya. «. Œsophagus. &. Pro vent ricu- 

 his. e. Sucking stomach, d. Chylific stomach, e. Mal- 

 pighian vessels. /.Ileum, g. Rectalpapillen. //. Rectaltasche. 

 /. Anus. j. Salivary glands, ir. Rectum, j. 



