Table 1. Matrix of pairwise Pearson’s correlation coefficient for size-adjusted morphological characters among A. houstonensis and A. a. charlesmithi.
HW, head width; DBIC, Distance between interocular crests; MPL/W, Mean parotoid length/width; MTFL, mean tibiofibular length; MPPG, mean parotoid to postorbital gap; MPT, mean postorbital thickness.
| HW | DBIC | MPL | MPW | MTFL | MPPG | MPT | |
|---|---|---|---|---|---|---|---|
| HW | 1 | 0.142 | 0.628 | 0.343 | 0.476 | 0.476 | 0.476 |
| DBIC | – | 1 | 0.860 | 0.979 | 0.938 | 0.938 | 0.938 |
| MPL | – | – | 1 | 0.946 | 0.983 | 0.983 | 0.983 |
| MPW | – | – | – | 1 | 0.989 | 0.989 | 0.989 |
| MTFL | – | – | – | – | 1 | 1 | 1 |
| MPPG | – | – | – | – | – | 1 | 1 |
| MPT | – | – | – | – | – | – | 1 |