Table 1. A trend for larger paralimbic neurons in larger brains.

	Neurons		Neuroglia
Brain Area	Area	Diameter	Area	Diameter
	Delphinus delphis (783)
Anterior Paralimbic Lobule	89.4	10.7	34.5	6.6
Supralimbic Lobule	76.5	9.9	37.4	6.9
	Tursiops truncatus (1,559)
Anterior Paralimbic Lobule	109.7	11.8	35.8	6.8
Supralimbic Lobule	94.5	11	35.7	6.7
	Ziphius cavirostris (2,004)
Anterior Paralimbic Lobule	107.6	11.7	47	7.7
Supralimbic Lobule	76.5	9.9	39.3	7.1
	Orcinus orca adult (6,215)
Anterior Paralimbic Lobule	130.7	12.9	40.2	7.2
Supralimbic Lobule	77.2	9.9	33.3	6.5
	Orcinus orca neonate (3,292)
Anterior Paralimbic Lobule	112.4	12	--	--
Supralimbic Lobule	83.5	10.3	--	--