Nassarius bredding?

[morphiii]

Added 50 of these little guys in a new tank I am setting up and saw a few of them depositing white packets on the glass, looks like eggs?

Does anyone know what they are?


http://i148.photobucket.com/albums/s29/morphiii/IMG_1616.jpg

http://i148.photobucket.com/albums/s29/morphiii/IMG_1617.jpg

http://i148.photobucket.com/albums/s29/morphiii/IMG_1618.jpg

http://i148.photobucket.com/albums/s29/morphiii/IMG_1620.jpg

http://i148.photobucket.com/albums/s29/morphiii/IMG_1619.jpg