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PROCEEDINGS OF THE NATIONAL MUSEUM 



length of second, with small, knoblike projection proximally, forming 

 articulation and muscle attachment surface. Second segment elon- 

 gate, narrower proximally than medially, tapered to narrow distal end, 

 with small membrane arising from middle of segment and 2 saber- 

 shaped terminal processes from distal end. Innermost terminal process 



Figure 38. — Alehion gracilis Wilson, 1905, female, right thoracic legs: a, first leg, anterioi 

 view; b, second leg, anterior view; c, third leg, posterior view; d, third leg, anterior view; 

 e, fourth leg, anterior view. 



