As you said Genghis, credit where it's due. Which in this case is clearly Yeovil, not someplace in the desert in Arizona.
To my astonishment a Pterodactyl is apparently in the Science Museum, London. First flight? 1925. Sorry Mr Northrop!
Here's the London Pterodactyl;
http://webferret.search.com/click?wf...,altavista</a>
And a superb Horten site;
http://www.ctie.monash.edu/hargrave/horten.html