- I think I'll send this cast of the animal's tracks to the expert at Scotland Yard.
- Why? They'll laugh at you.

5 seconds sound clip from the The Wolf Man (1941) movie soundboard.

You can hear this line at 00:51:08.932 in the Blu-ray version of the movie.

Quote context

[...]

- Like a wild animal with murder in his eyes.

- Here he comes.

- Morning. Pleasure to see you, Sir John.

- How are you, Larry?

- Fine, thank you.

- Come, my dear.

(CHURCH ORGAN PLAYING)

- I think I'll send this cast of the animal's tracks to the expert at Scotland Yard.

- Why? They'll laugh at you.

- There's no question about it. It's a wolf.

- Probably hiding in the woods somewhere.

- What about traps?

- We've got to do something before the town becomes completely hysterical.

- Yes, this muttering of werewolves.

- Come along, Larry. We're discussing this wolf that seems to be roaming the countryside.

[...]