. Bulletin of the Southern California Academy of Sciences. Science; Natural history; Natural history. Bulletin, So. Calif. Academy of Sciences Vol. 54, Part 1, 1955. PLATE A number of aquatic hemiptera were collected from this spring-fed pool on Santa Catalina Island. were taken. This is the first specific locality record for this sub- species in the United States; Dr. R. I. Sailer has pointed out (in lift.) that "the only published U. S. record for the typical sub- species is 'some specimens from southern California' based on specimens in the Uhler ; Dr. Sailer's referenc
. Bulletin of the Southern California Academy of Sciences. Science; Natural history; Natural history. Bulletin, So. Calif. Academy of Sciences Vol. 54, Part 1, 1955. PLATE A number of aquatic hemiptera were collected from this spring-fed pool on Santa Catalina Island. were taken. This is the first specific locality record for this sub- species in the United States; Dr. R. I. Sailer has pointed out (in lift.) that "the only published U. S. record for the typical sub- species is 'some specimens from southern California' based on specimens in the Uhler ; Dr. Sailer's reference was to Hongerford's (1933) revision of Notonecta. The three Notonec- tids have been deposited in the museum of the California Acad- emy of Sciences. On June 9, 1954, the authors made collections of many speci- mens of Gerris remigis Say and Microvelia beomeri McK. from a slowlv moving, turbid stream. A single female of Microvelia paludicola Champ, and one specimen of Saldula comatula Parsh- ley were also taken. Although these are all common species, Dr. C. J. Drake has said (in lift.), "I believe that these are the first records for ; The spring-fed, shady stream had a temper- ature of 58° F. in the mid-morning and a pH of 6. Plate 10 shows one of the pools in the stream. The authors wish to express their thanks to Dr. R. I. Sailer, National Museum, for the identification of and information on the Notonectids and to Dr. C. J. Drake, University of Iowa, for his helpful suggestions and identifications of the other specimens. LITERATURE CITED Hungerford, H. B. 1933. The genus Notonecta of the World. The University of Kansas Science Bulletin. 21 (9): 5-195. 21. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Southern California Academy of Sciences. Los Angeles, Calif. : The Academy
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