u 



C. SASAKt. 



Fig. 13. Part of malpigliian vessel, magnified, a. Large delicate cell 

 with a nucleus ( Z^ ). 



Fig. lé Muscular system of maggot seen from the ventral side. a. 

 Longitudinal bundle. 5, d. Oblique bundle, c. Transverse 

 bundle, c. Most internal set of muscular bundle. \ . 



Fig. 15. Muscular system of maggot seen from the dorsal side, /. 

 Muscular bundles at the base of jaw (/'). Other letters indi- 

 cate the same parts as the Fig. 14. j . 



PLATE V. 



Fig. 1. Respiratory system of maggot, a. Main trunk of tracheœ. 

 h. Spiracle, c. Large branch of tracheœ given out at the base 

 of a spiracle, j . 



Fig. 2. Truncated end of the last segment of maggot. a. 

 Spiracle, y. 



Fig. 3. Anterior portion of the main trunk of tracheœ of maggot 

 in relation with other organs, a. Branch of trachea con- 

 necting a trunk of tracheœ on both sides, a Anterior end 

 of the main trunk. Z>, c, (/, e. Oval discs on the free end 

 of the trunk. /. Flugelscheibe. g. Untere metathoracal- 

 scheibe. //. Obere metathoracalscheibe. i. Augenscheibe. 

 ;'. Muscular ring. li. Air-tubes. /. Muscular string, he. 

 Dorsal vessel, pr. Proventriculus. ja. Jaw. ~ . 



Fig. à. Nervous system of maggot (Dorsal view). a. Oblong 

 ventral nervous mass. h. Muscular ring. c. Augenscheibe. 

 1,2,3-12. Nervous cords 'passing from 1st to 12th seg- 

 ments respectively, j. 



Fig. Ö. Ditto (ventral view), a. Oblong ventral nervous mass. b. 

 Supra-œsophageal ganglion. d. Spindle shaped body. e. 

 Augenscheibe. /. Untere-prothoracalscheibe. g. Untere 



