Old sentimental shell covered box

[gillian]

Hi, I'm Gillian and this is my first post. My great grandfather had this box made for my great grandmother a long long time ago. Just before he died he gave it to me as I had always loved it. As you will see from the photos there are a few missing. I'd like to know what these shells are to help me to find replacements. One looks like a scallop type shell, it measures 14mm top to bottom.

<img src="http://i173.photobucket.com/albums/w71/phil-mcc/shell%20box/DSC01878Large.jpg" alt="http://i173.photobucket.com/albums/w71/phil-mcc/shell%20box/DSC01878Large.jpg" style="border:0" />

<img src="http://i173.photobucket.com/albums/w71/phil-mcc/shell%20box/DSC01879Large.jpg" alt="http://i173.photobucket.com/albums/w71/phil-mcc/shell%20box/DSC01879Large.jpg" style="border:0" />

<img src="http://i173.photobucket.com/albums/w71/phil-mcc/shell%20box/DSC01880Large.jpg" alt="http://i173.photobucket.com/albums/w71/phil-mcc/shell%20box/DSC01880Large.jpg" style="border:0" />

<img src="http://i173.photobucket.com/albums/w71/phil-mcc/shell%20box/DSC01881Large.jpg" alt="http://i173.photobucket.com/albums/w71/phil-mcc/shell%20box/DSC01881Large.jpg" style="border:0" />

<img src="http://i173.photobucket.com/albums/w71/phil-mcc/shell%20box/DSC01883Large.jpg" alt="http://i173.photobucket.com/albums/w71/phil-mcc/shell%20box/DSC01883Large.jpg" style="border:0" />

<img src="http://i173.photobucket.com/albums/w71/phil-mcc/shell%20box/DSC01877Large.jpg" alt="http://i173.photobucket.com/albums/w71/phil-mcc/shell%20box/DSC01877Large.jpg" style="border:0" />

Any help in identifying these 2 types would be greatly appreciated.

Thanks,
Gillian