$nearSphere query with 2d index, skip, and limit returns incomplete results

db.test.drop(); db.test.ensureIndex({ "loc": "2d" }); db.test.insert({ "loc": { "long": 33, "lat": 38 }, // Far away "type": "restaurant" });   db.test.insert({"loc": { "long": -122, "lat": 38 }}); db.test.insert({"loc": { "long": -122, "lat": 37 }});   jsTest.log('$nearSphere with skip(1) and limit(2):'); var results = db.test.find({"loc": {"$nearSphere": [-122, 38.5]}}).skip(1).limit(2); print("count() is: ", results.count(true)); print("but only one actual result:"); print(tojson(results.toArray()));   jsTest.log('Regular query with skip(1) and limit(2):'); var results = db.test.find().skip(1).limit(2); print("count() is: ", results.count(true)); print("and two results:"); print(tojson(results.toArray()));