Below is a comparison of Davis and Cali -- Mostly from NamUs some from the Doe Network. I am not sure that the scars match up enough to say match.
I also notice that Cali has type A blood, which might help
CALI
Date found November 10, 1979 10:00
Minimum age 13 years
Maximum age 19 years
Race White
Weight (pounds) 120, Measured
Height (inches) 63, Measured
Dental Status: Dental information / charting is available and entered
DNA Status: Sample submitted - Tests complete
-1/2" scar on forehead at the hairline
-1" scar on front left shoulder
-1/2" scar on outer left ankle
-tiny scar on left knee, right knee, top of right foot, right ankle, inner right thigh
-skin defect that is 3"x1" that resembles an old burn scar on inner right thigh
-Z shaped scar on right shin
-1/2" scar on left forearm
-3 small scars on left index finger
-small mole about 1.5" below outer corner of left eye
Both ears pierced once
Blood Type A Neg
Dentals: Available. She has some serious decay and tooth #14 was decayed to the extent that only three roots of the tooth were left. She had not had any dental care.
Fingerprints: Available. Her fingerprints were sent to FBI headquarters, but her prints weren't on file.
DAVIS
Date last seen June 21, 1979 02:00
Age last seen 17 to 17 years old
Race White
Height (inches) 62.0
Weight (pounds) 110.0
Distinguishing Characteristics: White female. Brown hair - shoulder length, curly; brown eyes.
Height and Weight: 5'2"; 110 lbs
Scars: Scar on lower lip, birthmark on right wrist.
Medical: She was 4 months pregnant at the time of her disappearance.
Dental information / charting is available and entered
DNA Status: Sample submitted - Tests complete