Fig. 66. Gyroeotyle fimbriata. From posterior ganglionic knot. Show 

 ing ganglion cells of first order and a ganglion cell of the second order 

 ("giant cells"). X 800. 



Fig. 67. Cross section of longitudinal nerve stem, at region from 

 which a branch to the ovary is given off. X 800. 



Fig. 68. Cells of shell-gland. X 1500. 



Fig. 69. Diagram of receptaculum seminis and the duets which unite 

 to form the uterus. 



duct. S( m. — ductus seminalis. 



ef. vit. d. — efferent vitelline duct. 



gang. 1st. — ganglion-cell of the first order. 



intrac. d. — intracellular duct. 



n. br. — branch nerve. 



par. — parenchyma. 



I>nr. niic. — parenchyma nucleus. 



rec. ovor. — receptaculum ovorum. 



n ' . sem. — receptaculum seminis. 



sag. fib. — sagittal fibre. 



sh. gl. — shell gland. 



ut. c. — uterine coil. 



rit. d. — vitelline dud - 



ul.. res. — yolk reservoir. 



1+601 



