138 PROCEEDINGS ENTOMOLOGICAL SOCIETY 



three short bristles each side, vulva triangular, as figured, ventral and 

 anal plates united, very broad, with many fine hairs. Stigma above 

 coxae III ; the dorsal shield folds down to include the stigma and the 

 long peritreme. 



Length, 1.4 mm. 



Guelph, Ontario, Canada; on turnip, January 10. 



Distinct by shape of dorsal shield and vulva. 



Family ORIBATIDJE. 



Pelops terminalis, new species. 



Dark reddish-brown, a pale yellowish spot before the middle. The 

 cephalothorax is short, with narrow lamella each side ; a basal trans- 

 lamella, from which arises the spatulate superior bristles ; the pseudo- 

 stigmatic organ is of moderate length, and clavate ; abdomen faintly 

 roughened above, each side with two groups of two tiny round dots, 

 two clavate hairs on the anterior lateral edge over the wing, and 

 behind on each side are three clavate hairs, the longer one near tip 

 and lower down than the others. Venter smooth, genital aperture its 

 length in front of the smaller anus, the latter more than its own length 

 from the hind margin ; sternal plate with two lines each side. Wings 

 deep, incurved, rounded at tip, legs short and with three unequal claws, 

 the tarsi bearing two or three hyaline spatulate hairs. 



Length, 0.5 mm. 



From Guelph, Ontario, Canada ; under bark of ironwood, 

 March 6. This is the first species in the genus to be recorded 

 from our country ; there are eight or ten species in Europe. 



Galumna sylvicola, new species. 



Pale yellowish. Abdomen elongate, smooth, without hairs. Cephalo- 

 thorax with a rather broad lamella each side, tipped by a long bristle, 

 no trans-lamella, superior bristles long, erect, distant from pseudostig- 

 ma ; pseudostigmatic organ rather long, capitate, but tip pointed. Wings 

 moderately large, not reaching in front of the abdomen, quite deep and 

 rounded below. Legs rather short, with few hairs, mid and hind femora 

 margined below. Venter smooth, genital opening fully one and one- 

 half times its length in front of the much larger anal opening; sternal 

 plate with three lines each side, none reaching the middle, the hind 

 margin of sternal plate is not as distinct as the lines. 



Length, 0.38 mm. 



From Guelph, Ontario, Canada, among fallen leaves in the 

 forest, April 28. 



Oribatella Formosa, new species. 



Yellow-brown, a pale yellow spot on base of abdomen. Cephalo- 

 thorax with a broad lamella each side, and a trans-lamella ; each lateral 



