PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. [1886 



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EXPLANATION OF PLATE XXn. 



Crucifera Weisieri Benedict, sp. nov. 



Fig. 26. Collar setae, front view, enlarged 210 diameters. 

 Fig. 27. Collar setss, side view, enlarged 210 diameters. 

 Fig. 28. Spatulate setaj, enlarged 325 diameters. 

 Fig. 29. Thoracic uucinus, enlarged 650 diameters. 

 Fig. 30. Abdominal uucinus, enlarged 650 diameters. 



Pomatostegus stellatus Schmarda. 



Fig. 32. Operculum and peduncle, enlarged. 

 Fig. 33. Stellate ends of opercula, enlarged. 

 Fig. 34. Lower disk of operculum, enlarged. 

 Fig. 35. Collar setas, enlarged 210 diameters. 



