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PROCEEDINGS OF THE NATIONAL MUSEUM vol. ii5 



0.1mm 



Figure 21. — Nesippus costatus? Wilson, 1924: a, maxilliped of younger early encysted 

 specimen; b, maxilliped of older early encysted specimen; c, maxilliped of late encysted 

 and recently excysted specimens; d, inner distal surface of c; e, first thoracic leg of younger 

 early encysted specimen; /, first thoracic leg of older early encysted specimen; g, first 

 thoracic leg of late encysted and recently excysted specimens; li, second thoracic leg of 

 younger early encysted specimen; i, second thoracic leg of older early encysted specimen; 



