Gertsch, Willis John, 1906-Soleglad, Michael E.2005-10-062005-10-061966http://hdl.handle.net/2246/329454 p. : ill., maps ; 24 cm.Includes bibliographical references (p. 52-54).7795827 bytesapplication/pdfen-USQL1 .A436 no.2278, 1966Vaejovis boreusParuroctonusVaejovisScorpions -- North AmericaArachnida -- North AmericaThe scorpions of the Vejovis boreus group (subgenus Paruroctonus) in North America (Scorpionida, Vejovidae). American Museum novitates ; no. 2278text