Del Norte Salamander vs. Siskiyou Mountains Salamander
Two plain Plethodon of the Siskiyou Mountains that meet, and may cross, in the Applegate basin. A: Dark brown or black with few pale flecks in the Del Norte Salamander; purplish brown thickly sprinkled with tiny pale flecks in the Siskiyou Mountains Salamander. B: Young with a reddish stripe in the Del Norte Salamander; young dark, with at most a faint stripe in the Siskiyou Mountains Salamander. Del Norte usually has 18 grooves along the side, the Siskiyou 17; range decides most records. Grooves along the side (costal grooves) are counted in hand and described, not shown.
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