dud

I need help! Tomorrow I need to lockdown an egg (there were more but they were duds) but, it looks like it has no veins. Please help! ( It's my first time incubating eggs, sorry if nothing is wrong. Also sorry for terrible pictures)

I have a broody sitting on eggs, hatch date is the 23rd I candled the eight eggs she's sitting on and was positive of a quitter and a dud. The quitter had a deffinate ring. I was positive or so I thought... I decided to do an eggtopsy well because I was curious and cracked it open. And we'll...