. Bulletin of the Southern California Academy of Sciences. Science; Natural history; Natural history. Bulletin, So. Calif. Academy of Sciences Vol. 43, Part 1, 1944 Paratypes—1 5 , same data as Allotype; 2 ^J , 1 $ , same lo- cality, May 19, 1939 (D. Tiemann), in the above Collection and No. 5507 in the Canadian National Collection, Ottawa. In the Comstock material were included a number of spec- imens from the Greenhorn Mts., Kern Co., Calif., mostly females in rather poor state of preservation; these belong to the race comstocki and are mostly of the zvaltoni type. They were cap- tured in 19


. Bulletin of the Southern California Academy of Sciences. Science; Natural history; Natural history. Bulletin, So. Calif. Academy of Sciences Vol. 43, Part 1, 1944 Paratypes—1 5 , same data as Allotype; 2 ^J , 1 $ , same lo- cality, May 19, 1939 (D. Tiemann), in the above Collection and No. 5507 in the Canadian National Collection, Ottawa. In the Comstock material were included a number of spec- imens from the Greenhorn Mts., Kern Co., Calif., mostly females in rather poor state of preservation; these belong to the race comstocki and are mostly of the zvaltoni type. They were cap- tured in 1938 on June 9 but in 1933 and '37 not until early July which probably accounts for their rubbed condition. From a study of a number of slides of female genitalia from this series it seems evident that a certain amount of individual variation in the length of the ductus (generally toward the shorter side as compared with my figure) and the shape of the digitabula must be reckoned with. This may be partially explained on the ground that it is almost impossible to obtain two slides mounted in ex- actly the same manner, due to the varying degrees of inflation of the bursa and the fact that it is necessary to cut open the bursa at its fundus to extract the very large and cumbersome sperma- phore. The general type, however, adheres pretty closely to my figure and no great difficulty should be experienced in making correct PLATE 10 Ventral view of female genitalia of 1. (Holytype); 2. H. crokeri Swett. Hydriomena glaucata Pack. 29. 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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