I 980 CENSUS 198 I CENSUS 
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from larger ones < 2 mm in 1981 only. Length was estimated by eye, as spiders were left in the webs. All spiders categorized as 
juvenile males had noticeably swollen, but incompletely developed, pedipalps. Mature spiders were recognized with practically 
no error. For example, from August 1979 through August 1980, 84 of 85 females found in webs off the census areas that were 
judged to be adults were collected and verified under a microscope as being mature. The one mistake, a penultimate female, 
molted to the adult stage within a few days. 
