why is autophagy not considered endocyctosis?

Since this is not my area of expertise, I searched Google under the key words "autophagy endocyctosis" to get this possible source:

http://74.125.95.104/search?q=cache:ZZ-rMvlm_74J:www.raymondcheong.com/Year1/molecell/AD%252003%2520-%2520Cell%2520Physiology%2520Notes.doc+autophagy+endocyctosis&hl=en&ct=clnk&cd=3&gl=us&client=safari

I hope this helps. Thanks for asking.