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PROCEEDINGS OF THE NATIONAL MUSEUM 



Figure 13 —Carapace variation in Acanthonyx lunulatus {a-d), A. sanctaehelenae (e-h) 

 and A. petiverii (i-l): a, male, Naples, Italy, carapace length 16.5 mm.; b, male, Messina, 

 Italy, carapace length 17.0 mm.; c, male, Naples, Italy, carapace length 19.3 mm.; d, 

 ovigerous female, Cadaques, Spain, carapace length 12.2 mm.; e, male, carapace length 

 13.0 mm.;/, male, carapace length 15.0 mm.; g, male, carapace length 18.1 mm.; h, ovig- 

 erous female, carapace length 9.7 mm.; i, male, Martinique, carapace length 13.3 mm.; 

 ;, male, St. Croix, Virgin Islands, carapace length 15.2 mm.; k, male, St. Croix, carapace 

 length 18.5 mm.; /, ovigerous female, Martinique, carapace length 10.3 mm. 



