Sentence:  On May 7, 1812, during my stay at Valencia, in Spain, I took, without hurting him, a <WSD>tarantula</WSD> of tolerable size, which I imprisoned in a glass covered over with paper, in which I had made a square opening. 
Meaning of the word marked with <WSD> tags:  A species of wolf spider, "Lycosa tarantula", native to southern Europe.