Survival of Polyploid hybrid salamander embryos

Table 1 Hatching outcome of embryos among 11 salamander egg masses collected from western Massachusetts during early stages of development and tracked in the lab, 2016

Lineage	Town	Mass ID	Initial Stage	Embryo Count^a	Hatch Count	Hatch Fraction
Jefferson	Sunderland	B	4	69	52	0.75
Jefferson	W. Springfield	G	1	59	58	0.98
Jefferson	Lenox	H	2	24	13	0.54
	Jefferson Subtotal			152	123	0.81
Unisexual	Sunderland	A	6	35	27	0.77
Unisexual	W. Springfield	C	8	15	14	0.93
Unisexual	W. Springfield	D	6	23	20	0.87
Unisexual	W. Springfield	E	1	24	19	0.79
Unisexual	W. Springfield	F^b	1	20	0	0
Unisexual	Lenox	I	2	18	15	0.83
Unisexual	Lenox	J	3	12	12	1
Unisexual	Lenox	K	3	22	17	0.77
	Unisexual Subtotal			169	124	0.73

ISSN: 1471-213X