Purring

1   Ambulance
2   Cars On Highway
3   Single Horse
4   Horse Race
5   Pinball Machine
6   Electric Saw
7   Electric Drill
8   Hammer
9   Female Laughing
10   Young Male Laughing
11   Females Laughing
12   Rifle Shots
13   Males Laughing Hysterically
14   Tugboat Whistle
15   Bulldozer
16   Piledriver
17   Telephone Busy Signal
18   Telephone Pick Up and Hang Up
19   Touch Tone Dailing
20   Handsaw sawing wood
21   Walking Downstairs
22   Walking Upstairs
23   Pigs
24   Cats and Kittens
25   Kitten Crying
26   Fox Hounds Braying
27   Chicken Coop
28   Geese And Ducks
29   Open Bottle
30   Champagne Cork Pops
31   Bernard Barking
32   Dentist Water Drill
33   Cable Car
34   Sports Car
35   Sports Cars 2
36   Diesel Train
37   Rolling Thunder
38   Pigs Feeding
39   Lazer
40   Bombs
41   Clock Ticking
42   Alarm On Electric Clock
43   Tower Clock
44   Artillery Bursts
45   Heartbeat
46   Cement Mixer
47   Dog Growling
48   Motor Start and Run
49   Cat
50   Purring
51   Lion
52   Stagecoach
53   Indians Attack
54   Galloping Horses
55   Cattle Drive
56   Indian War Whoops
57   Western Gunfight
58   Noisy Children
59   Men Cheering
60   Angry Crowd
61   Applause (Large Audience)
62   Cheering Crowd
63   Laughing Audience
64   Chopping Tree: Tree Falls
65   Sawing Tree
66   Door opening and closing
67   Creaking Door Open
68   Creaking Door Close
69   Jail Door Open, Close
70   Rain-in Woods
71   Raining
72   Thunder and Rain
73   Rapids In Mountain Stream