94 



SOBRE ALGUNAS FAUKAS 



Turritella Tuxtepeceoísis, 19, 21, SI. 

 Venus Burnsii, 29. 



— concéntrica, 80. 



— Ebergenjdi, 19, 20, 38, 66, 70, 



— giyptocyma, 20, 29. 

 Vermetus anguina, 33. 



— pulcher, 19, 20, 21, 32. 



Vermetus sculpturatus, 21, 32. 



— virginicas, 19, 21, 3S. 

 Xenophora, 17. 



— caribbaea, lo, 15. 



— conchyliophora, 19, 20, 21, 3S. 67, 



70, 86. 



— humilis, 33. 



