98 



REPOET 108^ U. S. DEPAETMEXT OF ACxEICULTUEE. 



numbers during the winter under stones or bark of dead trees. Gymnobates (fig. 192) 

 and Oripoda (fig. 193) are rare forms with very short, blunt tarsi. 



Fig. 192.— Gymnobates glaber. 

 (Author's illustration.) 



Fig. 193.- 



-Oripoda elongata. 

 Marlatt.) 



(From 



The genus Pelops, closely related to Galumna, has several species in this country' ; 

 they have been found in moss, but are uncommon; a European species is frequent 



on oak leaves. One of the most com- 

 mon forms and one of the largest of 

 the family, being fully 1 mm. long, is 

 Liacarus nilidvs Banks (fig. 187). It 

 occurs on the ground under pieces of 

 wood, bark, stones, and fallen leaves. 

 Another species, L. caroUnensis Banks 

 (fig. 188), has a more elongate body. 

 A species of Oribella, 0. pilosus Banks 

 (fig. 190), is common in the crevices 

 of bark of li^•ing trees. There are four 

 rows of bristles on its abdomen. 0. 

 modestus Banks occurs on tlie bark of 

 walnut trees in California. To Xotas- 

 pis (fig. 191) belong species with a fcAv 

 long bristles. 



A species of Scutovcrtex, S. marimts 

 Banks, is not uncommon on rocks be- 

 tween tide marks on the Atlantic sea- 

 shore. It appears to lack the pseu- 

 dostigmatic organs and is otherwise 

 peculiar. Another si)ecies, S. pctro- 

 phagiis Banks (fig. 202), fonns little 

 cavities on the limestone rocks of 

 waterfalls in central New York; one 

 mite dwells in each cavity. The process by whicli the cavity is made is unknown, but 

 possibly by the aid of some secretion of the mite. Of ('ambodes (figs. 194, 200) we have 



Fig. \0i.— Carabodcs lamcllatus. (Original.) 



