37% TIIE CAS=ITII.lS 15STO~IOI.OGIST distinctly ailgulate; e j cs ncarlp parallcl the a~lte~lilocular line longer than the interarltennal line; ailtennz, rather short and stout. Pompiloides (castanezls Provancherj-argenieus .(Cresson) Typc ~n a l e hearing )-ello\\-label " 774" and name label "ar,<e?zteus Crees " Derniitrc. Pro\-anchcr Collection, Pul~lic Museum, Quel~ec. Pro\-anclier's iilnnuscript list proves that this is type of casta?zez~s. Argentezrs (Cresson) ;Igrecs \\-it11 all of the

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... es made on rustanezts, and there see~tls to be but little doubt that the synonymy indicated 115. Pro\-auchcr is correct.