Webster’s Revised Unabridged Dictionary · 1913
Arctisca
Arc·tis′ca, n. pl. [NL., fr. Gr. ἄρκτος bear.] (Zoöl.) A group of Arachnida. See Illust. in Appendix.
Webster’s Revised Unabridged Dictionary · 1913
Arc·tis′ca, n. pl. [NL., fr. Gr. ἄρκτος bear.] (Zoöl.) A group of Arachnida. See Illust. in Appendix.