SHELL GEMS FROM AROUND THE WORLD 



(Continued) 



16. Pecten nobilis, Reeve, Japan 



17. Isocardia cor. 

 Mediterranean 



18. Thatcheri mirabilis, Angas 

 Japan 



19. Spondylus americanus, Lamarck 

 Carolinas to Gulf of Mexico 



20. Tridacna gigas, Linne 

 Philippines to Tropical East Indies 



21. Venus lamellata, Lamarck 

 So. Australia 



22. Fusinus timessus, Dall 

 Gulf of Mexico 



23. Sconsia striata, Lamarck 

 Gulf of Mexico 



24. Cardium beckii 



25. Architectonica granulata, Lamarck 

 N. C. to Gulf of Mexico 



26. Cassis areola, Linne 

 Australia 



27. Triton nobilis, Con. 

 Bahamas 



28. Pecten nodosus, Linne 



Cape Hatteras to Florida Gulf coast 



29. Conus marmoreus bandanus, Hwass - 

 New Caledonia 



30. Terebra flammea, Lamarck 



Lake Worth, Florida; Gulf coast of 

 Matagorda Island, Texas 



31. Tonna galea, Linne 

 Cape Hatteras to Texas 



-8« 



