Table 2 Mean λcut and statistics for the comparison of oil droplet absorbance in P. e. elegans and P. e. flaveolus.

From: Intraspecific geographic variation in rod and cone visual pigment sensitivity of a parrot, Platycercus elegans

Droplet

P. e. elegans

P. e. flaveolus

Numerator df

Denominator df

F

P

No. cells

Mean λcut ± SE

No. cells

Mean λcut ± SE

R-type

18

569.1 ± 0.4

9

569.3 ± 0.6

1

25

0.05

0.833

Y-type

40

408.2 ± 0.7

16

506.2 ± 1.1

1

54

2.4

0.128

C-type

5

406.1 ± 1.6

3

407.9 ± 2.1

1

6

0.5

0.526

P-type

54

423.1 ± 4.1

43

424.2 ± 4.6

1

95

0.03

0.859

  1. No. cells indicates the number of cells passing the selection criteria.