PLATE 43. 



Fig. 60. Gyrocotyle fimbriate. Transverse section through ciliated 

 excretory canal. Showing circular muscle coat. Iron haematoxylin. X 

 1000. 



Fig. 61. Longitudinal section through ciliated excretory canal (taken 

 at one side of attachment of cilia). Showing circular muscle coat. Iron 

 haematoxylin. X 1000. 



Figs. 62. 63. Flame cells. X 1500. 



Fig. 64. Cells of prostate gland. X 1500. 



Fig. 65. Sagittal section through penis papilla and ejaculatory duct. 

 X 100. 



can. — canal. 



cil. — cilia. 



circ. muse. 1. — circular muscle layer. 



ejac. duct — ejaculatory duct. 



fl. — flame. 



long. muse. I. — longitudinal muscle layer. 



in. long. — inner longitudinal muscle. 



pa r. — pa renchyma . 



par. mi. — parenchyma nucleus. 



pen. [uii>. — penis papilla. 



prost. <1. — prostate duct. 



prost. gl. — prostate gland. 



rad. muse. f. — radial muscle fibre. 



spul. — spinule. 



[458] 



