37 16 Proceedings of the Royal Irish Academy. 



Plate II. 

 Fig. 

 7a. Echiniscus testudo Doy., variety. 



7b. The same : claw. 



8a. Echiniscoides sigismundi (M. Seh.). 



8b. The same : claws, showing the web. 



9a. Macrobiotus sp. ? t teeth and pharynx. 



9b. The same : one process of the egg. 

 10a. Macro-biotas papillifer Murray: variety with very large papillae. 

 10b. The same : teeth and pharynx. 

 10c. The same : claws. 

 11a. Macrobiotus scabrosus sp. n. 

 11b. The same : claws. 



12a. Macrobiotus oriiatus var. verrucosus Eichters : skin with egg. 

 12b. The same : teeth and pharynx. 

 12c. The same : claws. 



Plate III. 



13a. Macrobiotus richtcrsii sp. n. 



13b. The same : teeth and pharynx of adult. 



13c. The same : teeth and pharynx of young in the egg. 



13d. The same : claws. 



13e. The same: egg. 



13f. The same : one process of the egg. 



13g. The same : variety of the egg. 



13h. The same : one process of the egg. 



14. Macrobiotus occidentalis Murray, showing the surface-markings in 



pairs. 

 15a. Macrobiotus hibemicus sp. n. The egg. 

 15b. The same : teeth and pharynx of young in the egg. 

 15c. The same : the claws of the young, probably incompletely developed 

 16a. Macrobiotus schaudinni Eichters. 

 16b. The same : claws. 



