. Bulletin of the Southern California Academy of Sciences. Science; Natural history; Natural history. riu-;Ki.(iin|);m\ iiiL; pirdiics wrvv umuIv with a small hand (.aiiUTa (luring a distanl shuiii (in June 30, 1918. The display lasted for scN'cral hinirs and ihiumh ilic lit^htninj; was brilliant over a full (|uaii('i- dl' ilif lii)ii/(in I'liini W'. . to \.\,\\ ., ihc center seemed to remain slightly north of west of the ohscrxalion point which was twehe miles north of \'ictorville. The Hashes were almost incessant and at last after a series of un- usually brilliant ones the camera was bro
. Bulletin of the Southern California Academy of Sciences. Science; Natural history; Natural history. riu-;Ki.(iin|);m\ iiiL; pirdiics wrvv umuIv with a small hand (.aiiUTa (luring a distanl shuiii (in June 30, 1918. The display lasted for scN'cral hinirs and ihiumh ilic lit^htninj; was brilliant over a full (|uaii('i- dl' ilif lii)ii/(in I'liini W'. . to \.\,\\ ., ihc center seemed to remain slightly north of west of the ohscrxalion point which was twehe miles north of \'ictorville. The Hashes were almost incessant and at last after a series of un- usually brilliant ones the camera was brou<j;ht out and set with open shutter pointing as nearly as possible toward the heart of the storm. It was a busy few minutes closing the shutter and winding the film and one can not be certain that the double flashes shown were simul- taneous but at least the interval must be measured in fractions of seconds for the effort was made to close the shutter with the flash. The small trees shown in the various pictures indicate how little the center of the storm moved,—at least in a northerly or southerly Several times before the camera was brought out and during the intervals of resetting, flashes were seen having a complete loop in their line and it was with deep regret that the camera was put away with all the films exposed and no record of the looped lightning. However when the roll was developed, the plate marked Xo. 1 showed a looped flash which had been caught by the camera and not by the eye. Of all the thunder storms and pictures of lightning which the writer has seen this storm was the first to show the loops and the record of the cajnera confirms the impression of the eye. The great regret is that though several such flashes were witnessed only one w^as recorded. The remaining pictures while not unique are at least accurate records of a most remarkable electrical display. Plates Nos. 2 and 3 show in the horizontal flashes lines closely approximating loops
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