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 Counta	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	Fb	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

^aCounts do not include embryos excised for genetic analysis

^bNo embryos in mass F entered first cleavage stage