I am maybe missing your list of 40 somewhere, Axehead, but I can start with these 20:
ABOUT PRIESTS
1. Jesus instituted a hierarchy of priests for HIS Church as a special class, separate from the people, except the Apostles who were to preach the Gospel. The Apostles were the priests. They were entrusted with a covenant sacrifice and had special authority, not just preaching ability.
2. That God instituted any other than Apostles, Prophets, Evangelists, Pastors (Bishops, Elders), Teachers and Deacons. Not a problem-- but 'Apostle' & 'elder' already contain all the features of what Catholics today term bishops, priests, pope.
3. That bishops, deacons and priests cannot marry, and that a priest though unmarried, should be called "Father." A priest is not called 'father' as a matter of doctrine, but of custom, as it describes their role. Celibacy for the priesthood is a discipline, not a doctrine; but it is followed because both Jesus and Paul described it as the 'better way', and so we try to follow the better way.
4. That the priest is a very powerful person; "more powerful than the angels, more than the saints, more than the Virgin Mary; even more than Jesus Christ himself, for Jesus Christ has to obey the priest's bidding; and the priest is second only to Almighty God. The priest being a more 'powerful' person than anyone at all, including you or me, is actually contrary to Catholic teaching. Certainly there is no Catholic belief that they are more powerful than angels or saints or Mary-- and to say that Jesus Christ has to do the priest's bidding would be considered heresy by the Catholic Church. This would be outright unacceptable to any believing Catholic according to the Church's own teachings.
5. That the bishops and presbyters ought to say Mass and hear the confessions of the people, and that the people would go to the priests to confess their sins at least once a year. When Jesus said 'do this in memory of me' with the covenant sacrifice and administered to the Apostles the Holy Spirit specifically for the remission of sins in John 20. It is not in fact a Church discipline that one confess once per year, unless in the state of serious sin; you may be thinking of the Church law to receive communion at least once per year.
6. That Jesus instituted cardinals or any order of monks, nuns, monsignors, abbots, etc. The Catholic Church does not claim any such thing and never has. These are either (in the case of monks or nuns) believed to be ways of living the Gospel that the Holy Spirit has inspired over the centuries or (in the case of monsignors, cardinals) titles of distinction, not of actual spiritual gift or ability. None of these were instituted by Jesus. No argument there.
7. Where does Jesus (or His Apostles) recommend that people separate themselves from society to do penance and become monks, or that women be cloistered in convents and be forbidden to speak with or even to see their own parents? No one recommends this even today, much less in Jesus' time. There is no requirement to do this. Some people have chosen to; when they do, they can freely leave. Plenty of monks and nuns are able to freely see their own parents, and certainly no one has to become a monk or nun in the first place.
ABOUT THE MASS
8. That the Mass was instituted by Christ. The Mass is believed to be the one-time, once-for-all sacrifice of the Last Supper/Calvary extended throughout time. Thus, Christ instituted it at the Last Supper/Calvary.
9. That Jesus or the Apostles said Mass. Again, the Last Supper, where Jesus both offered it and commanded the Apostles to do so, followed by the 'breaking of the bread' described in the NT and Paul's teaching about offering the Lord's Supper (given to the Corinthians).
10. That Mass is a sacrifice and a daily repetition of the sacrifice of Jesus upon the cross. Jesus Himself says that it is His body offered for sins and His blood poured out as the seal of a new covenant. That is a sacrifice. But it is not a repitition of the sacrifice, but a re-presentation. There is only one Mass, offered once for all: Calvary. All that is done is that this sacrifice is made present once again in a special way to us.
11. That the Mass is identical with the Holy Communion or the Lord's Supper. I don't know why it wouldn't be considered so? It is the offering of Jesus' body & blood in worship as well as in fellowship with other members of the body. I am not sure what you think is essentially different?
12. That it is a mortal sin not to go to Mass on Sunday and other feast days. Sundays, from the earliest days of Christianity, were treated with the same binding power as the sabbath-- in fact, it is the sabbath of the new covenant, thanks to Jesus making that day infinitely more holy by rising on that day. You wouldn't have to look far in scripture to see that the sabbath law was taken quite seriously by the Lord; and with the new covenant sacrifice being offered, it follows that this is the special worship, along with rest from unnecessary work, that would be expected on this day. With feast days this is a binding discipline rather than a doctrine, but I would argue that it simply grows from the application of reason-- certain days which celebrate key truths about revealed truth should be mandatory celebrations by members of the body. Strictly speaking however, that is discipline rather than doctrine.
13. That the Mass can be said for money at various stipulated prices. This too is not a requirement. It grows from 'the laborer is worth his pay.' The money is to be used as a stipend for the priest and/or the cost of materials used for the church. Priests may celebrate Mass without taking money at all, certainly. This is not doctrine or even discipline, but rather custom.
14. That the Mass can be said for the benefit of the living who pay for having it said, in order that they may receive divine favors, have their sins forgiven and an easier access into heaven when they die. One doesn't have to pay for it to receive spiritual blessings, but certainly if Mass is offered for a specific person or intention, we believe we are calling down the Holy Spirit for a specific intention. Again, that doesn't have to be 'paid for', as I said above. To expect a spiritual blessing from it is no different than your aunt expecting a spiritual blessing if your Bible Study group interceded specifically for her Wednesday night.
15. That the Mass gives repose to the souls of dead people who are supposed to be burning in Purgatory. Again, I don't know why it wouldn't aid souls in purgatory (and by the way, 'burning' in purgatory is not a doctrine either). If prayers can (which Catholics believe), and the Mass is believed to be the greatest worship we can offer God because it is offering the body and blood of Jesus Himself back to the Father, then it stands to reason that would have the greatest spiritual blessings for souls being purified for heaven.
ABOUT THE HOST
16. That the wafer and not bread and wine was used by Jesus when He instituted the Lord's Supper. This is not and never has been a Catholic belief. He is believed to have used the bread for the Passover meal, not a 'wafer'.
17. That the wafer in the hands of the priest is changed into the real body, soul and DIVINITY of our Lord. Well, He said it would at the Last Supper and in John 6-- Paul certainly thought so when He taught the Corinthians this as well.
18. That the Living Christ said to be in the host can be eaten, locked up in the tabernacle or carried about by the priest anywhere he pleases. Why not? He is under the form of bread. When He became man, the living Christ could be struck, abused, ridiculed, use the bathroom, eat food, spit, etc.... why is this any more outrageous than the humility He already shows in the Incarnation?
19. That the consecrated host or wafer, even if broken up into a thousand pieces, each such particle contains the entire body of Jesus Christ alive. I guess the same way He could multiply a few loaves into enough to feed thousands and have enough left over. He said it would be His body, not part of His body; He's pretty good with bread miracles, the Gospels tell us. :-)
20. That the priest alone is to partake of the consecrated wine at the communion, but the same is to be denied to the people who receive only the wafer. (The Roman Catholic church has since changed this position and now permit its people to partake). Again, that was a custom. That's why it can change. Catholic teaching is that one receives the body and the blood when receiving communion. Recieving from the chalice is a fuller symbol, but is not necessary to receive the fullness of Jesus in communion.