PAGE johnsonella 814 obscura 822 polita polita 833 polita pratti 840 polita cornuta new subspecies 845 sayi 850 similis 858 subalbipes 864 subvenosa 873 tridenticiilata 879 venosa 887 walleyi 894 Summary and conclusions 905 Literature cited 920 * Curtis' British Entomology is a series of colored plates, 770 in all, accompanied by descriptive notes. Published in London, these plates were issued a few each month from 1823 to 1840. * Polyvinyl alcohol is a plastic prepared from PVA powder (I use DuPont "Elvanol," grade 71-24): sift 20 Krams of the powder into 88 cc. of cold water; heat at 85° F. in water bath, stirring constantly, until a viscous svTup forms; to 56 parts of this syrup, add 44 parts of a mixture of equal amounts of lactic acid and liquid phenol, stirring often and well. t Dr. C. P. Alexander, who prefers Canada balsam, pointed out that, in the Baltic Amber, he has 30 or 40 million years' proof that balsam is a good mounting medium! The Crane Fly Genus Dolichopeza 681 Byers, George William. 1961. "The crane fly genus Dolichopeza in North America." The University of Kansas science bulletin. 42, 665-924.

All known species of recent Mecoptera are catalogued: reference is given to original descriptions; and known distributions are recorded. New names for two junior homonyms (Panorpa issiki = Panorpa acuta Issiki & Cheng, and Panorpa banksiana = Panorpa interrupta Banks) are included, and one new synonymy (Panorpa galloisi Miyake = Panorpa cornigera MacLachlan) is noted.

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