PROCEEDINGS OF THE UNITED STATES NATIONAL MUSEUM SMITHSONIAN INSTITUTION U. S. NATIONAL MUSEUM Vol. 100 Washington: 1949 No, 3254 ON A COLLECTION OF MALLOPHAGA FROM GUAM, MARIANAS ISLANDS By M. A. Carriker, Jr. The collection of Mallophaga treated in this paper was made by Lt. Rollin H. Baker during World War II while he was a member of the U. S. Naval Medical Research Unit No. 2, assisted by other members of the unit. The birds from which the lice were collected are in the United States National Museum, and their correct names were furnished me by Dr. Herbert Friedmann, curator of the Muse-um's division of birds. Though small, the collection is an interesting one, for it represents the first time any Mallophaga have been taken from birds indigenous to the island of Guam. Twelve species of birds are represented among the hosts, four of which are sea birds (not indigenous) , one is an intro-duced form (Streptopeliabitorquata dusumieri),Sind the remaining seven are indigenous. The correct determination of the Mallophaga in-volved has, in some instances, been diflBcult, since the pertinent material is in various museums in Europe; in these cases it is possible that errors have been made. The drawings were prepared by the author. AH measurements are in millimeters. Suborder ISCHNOCERA Family PHILOPTERIDAE CORVICOLA, new genus Genotype. — Corvicola insulana, new species. This genus is close to Rallicola Johnston and Harrison as now de-fined. It seems to contain some very aberrant forms, such as R. 834974—49 1 1
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