The lower project design on the Lockheed page shows gear and shaft drive to the inboard engine only. I guess he couldn't figure how to run the outboard props.
On more examination (with glasses) the shaft is landing gear struts, so never mind.
I think you are right on the first but the second is most definitely not a P-38. The actual P-38 nose looks like this. Source Armorer Working On A P-38 (corrected)
That is a great book and your copy is obviously in far better condition than mine. I do prefer Leslie Neville's Aircraft Designers Data Book though in many ways.
I think you are right on the first but the second is most definitely not a P-38. The actual P-38 nose looks like this. Source Armorer Working On A P-38 (corrected)