Zoological Studies

Table 3 The effect of latitude on shell size estimates in the two morphotypes of L. stagnalis s. l ^a

From: A comparative study of shell variation in two morphotypes of Lymnaea stagnalis (Mollusca: Gastropoda: Pulmonata)

	*L. fragilis*morphotype			*L. stagnalis*morphotype
	Max SH	Mean SH	PC1	Max SH	Mean SH	PC1
Intercept	−419.65	−355.4	−58.75	−577.62	−548.57	54.15
Latitude	17.0	14.46	2.14	22.93	21.42	−0.63
p	0.000	0.000	0.000	0.126	0.02	0.01
F	12.96	15.66	14.36	2.18	44.9	5.03
R ²	0.34	0.39	0.36	0.10	0.18	0.20

^aSignificant values of p are italicized.

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