ERRATA. 



Pp. 3-43. Throughout Part I, for Lake Pueyrrydon, Puerrydon Series, etc., read Lake 

 Pueyrredon, Pueyrredon Series, etc. 



P. io v 1. 2. For relatep, read related. 



P. 54, 1. 17. For Oven Poin, read Oven Point. 



P. 79, 1. 14. For T. patagonia, read T. patagonica. 



P. 84, 1. 19. For escutheon, read escutcheon. 



P. 97, 11. 21, 23, 27. For P. ibari, read G. ibari. 



P. 113, 1. 20. For 0. vesicularis, read G. vesicularis. 



P. 134, 1. 33. For Panopaa, read Panopea. 



P. 135, heading of species 61. For Venus dijficillis, read V. difficilis. 



P. 153, 1. 10. For especially, read especially. 



P. 157, heading of species 88. For Dentalum, read Dentalium. 



P. 162, " " " 93. For Leptothyra philippi, read L. philippii. 



Omit of (last word of line). 



For var. inoratus, read inornatus. 

 te. For Volulolithes, read Volutilithes. 



For collosity, read callosity. 



For R. varians, read B. varians. 



For R. unguiformis, read B. unguiformis. 



For Callistoma philippi, read Calliostoma philippii. 



For Fusus spiralis, read F. subspiralis. 



For D. octocostellum, read D. octocostellatum. 



For enota Gcuevensis, read Genota cuevensis. 



For Pinna semicostalis, read P. setnicostata. 



For Calliostoma pararatum, read C. peraratum. 



After No. 26, insert Modiola ameghinoi and change the subsequent numbers 

 27-117 to 28-118. 



P. 270, 1. 8. For 117, read 118. 



P. 280, 1. 23. For Glycimeris ibaria, read G. ibari. 



P. 284, Footnote. For Tcrrcbratella, read Terebratella. 



For Siphonalis read Siphonalia. 



For Crassatella kokeni, read Crassatellites kokeni. 



For Calliostoma pararatum, read C". peraratum. 



For P! sarissa, read Fi serissa. 



For Panopea ibaria, read .P. z$>7. 



For This, ma*/ The. 



For deposits, m*</ deposition. 



For Tyron, m&/ Tryon. 



For Wood, S. F., read Wood, S. V. 



460 



