PLATE XLI Continued. 



FIG. 27. Collar seta turned, showing upper surface. 



28. Uncial plate from thorax, in profile. 



29. Collar seta, in profile. 



30. Odd seta of third thoracic fascicle, end spread open. 



31. Spirorbis asperatus sp. nov., p. 245. Uncial plate; apparent aspect 



of front surface. 



32. Uncial plate from thorax, in profile. 



All figures by the author, X 355 except 11 and 31, more enlarged. 



(340 



