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REMAINING (number with state)
Body bottom anal plate
Divided (41)
Undivided (25)
Body bottom color
Other (33)
Yellow (31)
White (27)
Pink (15)
Red (14)
Orange (7)
Body bottom pattern
Solid (35)
Blotches (34)
Bands (6)
Body main color black
Yes (3)
No (1)
Body side 1st lateral scale row texture
Keeled (1)
Smooth (1)
Body side light stripe involves
2nd, 3rd scale rows (1)
3rd, 4th scale rows (1)
Body side light stripe number
1 (7)
2 (1)
3 or more (1)
Body top color black only
No (59)
Yes (11)
Body top or side contains
Yellow (22)
Red (21)
Orange (14)
Green (3)
Body top pattern
Spots (33)
Solid (31)
Bands (19)
Stripes (13)
Body top scale apical pits
Yes (52)
No (12)
Body top scale row number at midbody
23 (23)
25 (20)
17 (18)
19 (14)
21 (14)
24 (13)
27 (11)
15 (8)
29 (4)
22 (3)
31 (3)
32 (2)
33 (2)
13 (1)
30 (1)
34 or more (1)
Body top stripes present
No (57)
Yes (9)
Body with complete crossbands along entire body
Yes (2)
No (1)
Eye over labial scales
4, 5 (2)
3, 4 (1)
Head distinct from neck
No (36)
Yes (30)
Head loreal scale present
Yes (55)
No (5)
Head nasal scale divided
Yes (54)
No (10)
Head parietal scale rear broken
No (7)
Yes (1)
Head parietal spots touch each other
No (1)
No spots (1)
Head pit between nostril and eye
No (61)
Yes (5)
Head rostral scale abruptly upturned
No (61)
Yes (1)
Head scale in front of eye divided
No (49)
Yes (16)
Head subocular scales present
No (56)
Yes (8)
Head top scale
Few large (63)
Many small (2)
Head white stripe
Start below eye (1)
Start near nostril (1)
Head white stripe present
No (44)
Yes (4)
Lower lip scale number usually
10 (1)
11 (1)
Neck band
None (62)
Light (12)
Dark (8)
Neck band color
Orange (1)
Yellow (1)
Nose shape
Round (61)
Curve up (3)
Point (2)
Range
North America EAST (52)
North America WEST (51)
Mexico (18)
Canada (8)
Range in Canada
Ontario (6)
Quebec (3)
New Brunswick (1)
Newfoundland (1)
Prince Edward Island (1)
Range in U.S.A.
Florida (45)
Georgia (45)
Alabama (43)
Mississippi (39)
South Carolina (39)
North Carolina (38)
Louisiana (36)
Tennessee (35)
Texas (32)
Virginia (31)
Illinois (28)
Oklahoma (28)
Kentucky (27)
Missouri (26)
Arkansas (25)
Maryland (24)
Indiana (23)
Kansas (20)
West Virginia (20)
Delaware (18)
Iowa (18)
New Jersey (17)
Nebraska (15)
Ohio (15)
Pennsylvania (15)
New York (14)
Connecticut (13)
Massachusetts (13)
District of Columbia (12)
Michigan (12)
Rhode Island (12)
Wisconsin (12)
Arizona (10)
California (10)
New Mexico (10)
South Dakota (10)
Colorado (9)
Minnesota (9)
New Hampshire (9)
Vermont (9)
Maine (8)
Utah (7)
Nevada (6)
Wyoming (5)
North Dakota (4)
Montana (3)
Oregon (3)
Idaho (2)
Washington (2)
Alaska (1)
Rattle present
No (63)
Yes (3)
Scale texture
Smooth (40)
Keeled strongly (23)
Keeled weakly (5)
Tail bottom color
White (2)
Black (1)
Tail plain black
No (54)
Yes (11)
Tail rings
None (55)
Dark and light equally (4)
Dark wider than light (2)
Light wider than dark (2)
Tail tip
Sharp (54)
Spine (3)
Throat pattern
Spotted (10)
Solid white (1)
Upper lip scale number
7 (44)
8 (32)
6 (11)
9 (11)
10 (9)
5 (2)
11 (1)
12 (1)
13 (1)
14 (1)