WILLIAMS: CRABS OF THE GENUS CALLINECTES 



Figure 13. — Callinectes rathbunae Contreras: a, chelae in frontal view; b, carapace; d, abdomen and sternal area, female; c, 

 abdomen and sternal area, male, USNM 122922, Laguna de Alvarado, Veracruz, Mexico; a, b x 1; c, d x 1.1. 



701 



