| 11. | The mouth opening is located in the centre of the ventral surface.
|
| 12. | The ventral surface is strongly flecked and dappled with grayish brown.
|
| 13. | Its ventral surface is pale, occasionally with markings on the throat.
|
| 14. | Each antelope squirrel has a white ventral surface with little variation.
|
| 15. | The sides of the abdomen are dusky and the ventral surface is pale.
|
| 16. | The ventral surface is dark grey, and marbled in white of varying density.
|
| 17. | Ventral surface of fore wings with only lines on the outer half present.
|
| 18. | The ventral surface is stratified squamous non-keratinized epithelium which is smooth.
|
| 19. | Both the dorsal and ventral surfaces are smooth and have no dermal denticles.
|
| 20. | The ventral surface between the wings or wing vestiges is usually slightly flattened.
|
