In wild they also come into the "big" world. I wouldn't be afraid to put a little one in the big cage. Just make sure his food won't escape, for in larger enclosures they are less likely to catch it.
It's very difficult to pick up only 10, for they all are beautiful! But here it goes:
1 number one will always belong to my first fella- chamaeleo calyptratus Yoda :)
2 chamaeleo namaquensis
3 furcifer oustaleti
4 furcifer verrucosus
5 calumma parsonii
6 rampholeon brevicaudatus
7...
Wow, good job!
To the tongue question- my cham had a tongue-shooting problem once and the vet told me that if the tiny little bone wasn't broken, there was a chance to quick recovery- so maybe if you took him to the vet and get him X-rayed, you'd know more..