How to introduce two puppies...

[spedrunner]

one is a female dachshund, the other is a 6 month old boxer mix.......the boxer is MUCH bigger than my baby and im scared she is going to eat her, well ok not really but HURT her

We tried keeping them between a fence and the bigger dog seemed very aggressive yet her tail was wagging, its my cousins puppy and we'd like them to play together

THANKS