First things first - well done! Sounds like you've worked with yew before so you know the turning pleasure hopefully ahead!
Second - according to my rough calcs some of them are a bit over an inch diameter? (30mm). If you know what you want to do with these pieces I'd suggest you rough-turn them now and then seal the ends as Andrew advises - they'll dry a lot quicker and they are so small that I suspect that the more traditional 'seal ends and wait' wouldn't help matters much.
Thirdly - I'd suggest that the larger logs are cut closer to eventual length. The rough guide there is to cut the logs a bit longer than the diameter unless you're envisaging perhaps a tall goblet, so e.g. with a 100mm diameter cut a 120/130mm log length for the non-goblet logs.
Mind you, with 30 odd logs to play with you could try a whole number of different strategies!
Sadly - yup, personal experience! - with what is really small branch stuff, you may be very lucky, or very unlucky regarding splits, whatever your strategy. Some 'finds' have given me +90% split-free, others treated exactly the same way have been very disappointing, giving less than 25%.
Good luck!
