WILLIAMS: CRABS OF THE GENUS CALLINECTES 



Figure 19. — Male, first gonopods in situ with abdomen removed; portions of thoracic sternites IV- VIII; a, Callinectes rathbunae 

 Contreras, USNM 122922, Laguna de Alvarado, Veracruz, Mexico; b, C. maracaiboensis Taissoun, Lago de Maracaibo, Venezuela; c, 

 C. latimanus Rathbun, Plage de Pointe Noire, Congo; d, C. sapidus Rathbun, USNM 92452, Wye River, Chesapeake Bay, Md. Scales 

 = 1 cm; d has lower magnification. 



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