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Conig-era. 



Harpes battledore ; cucullus with obtuse apex, almost 

 pointed, spinose ; clasper long ; ampulla curved ; clavus 

 small and outcurved to a point; uncus cygnated and 

 elbowed ; vesica with long band of shortish teeth. 



Impura. From S. J. Capper. 



Harpe battledore, apex of cucullus produced to a small 

 sharp point, spinose; clasper curved; ampulla curved ; 

 clavus sharply incurved to a point ; uncus tapered ; 

 vesica with long band of very short teeth and bunch of 

 larger teeth. 



Straminea. Pencils sparse. 



Harpe battledore; cucullus sharply pointed at the apex, 

 spinose ; near the centre of the cucullus is a curious 

 fold ; clasper curved, widest at the top and truncated ; 

 ampulla curved ; clavus peaked and strong ; uncus 

 tapered ; vesica has long band of short teeth. 



Extranea. Pencils present. 



Harpe battledore ; apex of cucullus ending in a long 

 point, thickly spinose ; the lower part of the harpe 

 below the waist is produced into a long lobe ; clasper 

 very small, as is also the ampulla ; uncus tongue-shaped ; 

 vesica with broad band of large teeth, dwindling down 

 to quite small ones. 



Putreseens. 



Harpe divided at the base of the cucullus ; corona 

 absent, nor is there any spinose clothing, but the 

 edge of the cucullus has long straight marginal spines ; 

 clasper long, bulbed at the tip; ampulla curved; 

 clavus bulbed ; uncus cygnated ; vesica has a long 

 band of shortish teeth and one long cornutus. 



Comma. 



Harpe has the cucullus long and narrower than the 

 preceding species ; clasper is very long ; ampulla stout, 

 narrowing quickly to a point; clavus slightly bulbed; 

 uncus cygnated ; vesica with a long wide band of longish 

 teeth, and one long cornutus. 



