Dog Whelk (Nucella lapillus) egg capsules.

Dog Whelk (Nucella lapillus) egg capsules.

Observation - Dog Whelk (Nucella lapillus) egg capsules.. Description: The post is related to http://www.ispot.org.uk/node/320809 These egg cases are quite mature - I'd say between 10 and 14 days (based on observed tide cycles). It seems that the eggs become mini-whelks after a few months. Picture two shows a mother, which

The post is related to http://www.ispot.org.uk/node/320809
These egg cases are quite mature - I'd say between 10 and 14 days (based on observed tide cycles). It seems that the eggs become mini-whelks after a few months.
Picture two shows a mother, which I have lifted to expose the process. I cannot explain the adjecent transluscent structures but they may be related to the process (of laying or protecting). I'd appreciate comments.

For the third picture see Comments.