Plate 18. 



Page. 



Fig. 1. Cadulus agassizii Dall. Type, 9 mm 110 



2. Cadulus parvus, new species. Type, 5.8 mm 113 



3 Cadulus agassizii Dall. 8.75 mm 110 



4. Cadulus parvus, new species. 6 mm 113 



5. Cadulus caiharus, new species. Type, 8.6 mm 112 



6. Cadulus portoricensis , new species. Type, 7 mm 115 



7. Cadulus foweyensis, new species. Type, 7 mm 114 



8. Cadulus vulpidens Watson. 8.75 mm. Copy of Watson's figures 121 



9. Cac/uh<s rws^M arne, new subspecies. Type, 8.3 mm t. 118 



10. Cadulus pandionis Verrill and Smith. Type, 10 mm 118 



11. Cadulus greenlawi, new species. Type, 1 1 mm 123 



12. Cadulus xvatsoni Dall. 14.3 mm 120 



13. Cadulus foweyensis. Apical features 114 



14. Cadulus providensis, new species. Type, 8.5 mm 122 



15. Cadulus rushii rushii Pilsbry and Sharp Type, 11.6 mm 117 



169 



