1900.] NATURAL SCIENCES OF PHILADELPHIA. 683 



Figs. 35. 36. Clausilia (Euphcedusa) comes. Inner views of 



the clausilium. 

 Fig. 37. Chnmlia (Tyrannophcedusa) Mikado. Inner 



view of the clausilium. 



Fig. 38. Clausilia (Tyrannophcedusa) Mikado. Clau- 



silium from columellar side. 

 Fig. 39. Clausilia (Tijrannophcedusa) Mikado. Chm- 



silium from outside. 

 Fig. 40. Clausilia (section ?) iotaptyx. Clausilium from 



inside. 

 Fig. 41. Clausilia (ffemiphoedusa) tosana. Clausilium 



from inside. 

 Fig. 42. Clausilia (Stereophcedusa') hondana. Clausilium 



from columellar side. 

 Figs. 43, 44. Clausilia (Stereophcedusa') hondana. Clausilium 



from inside. 



