Witty Comics - Petri and His Dishes II

Petri and His Dishes II by LilyFlower on 09-26-2014

Oh, darn it! I forgot to feed the dog.

You have a dog?

Yeah, his name's Petri.

You're a biologist with a dog named Petri?

Yes.

You do have a distinction between the Petri dishes and Petri's dishes, right?

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