Ohio Journal of Science: Volume 72, Issue 6 (November, 1972)

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https://kb.osu.edu/handle/1811/691

Front Matter
pp 0
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The Origin of Late Pleistocene Deposits at Garfield Heights, Cuyahoga County, Ohio
Miller, Barry B.; Wittine, Arthur H. pp 305-313
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Cytogenic Studies of Cyclohexylamine, a Metabolite of Cyclamate
Mostardi, Richard A.; Keller, Roger; Koo, Rebecca pp 313-318
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Craspedacusta Sowerbyi Lankester 1880 and Cordylophora Lacustris Allman 1871 in Western Lake Erie (Coelenterata)
Hubschman, Jerry H.; Kishler, W. J. pp 318-321
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Book Notice
pp 321-321
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The Ohio Journal of Science : Index 1951-1970
Forsyth, Jane L.; Gorta, Christine M. pp 322-366
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U. S. Postal Service : Statement of Ownership, Management and Circulation
pp 366-366
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Index to Volume 72
pp 367-372
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Back Matter
pp 999
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Back Matter
(1972-11)
Index to Volume 72
(1972-11)
U. S. Postal Service : Statement of Ownership, Management and Circulation
(1972-11)
The Ohio Journal of Science : Index 1951-1970
(1972-11) Forsyth, Jane L.; Gorta, Christine M.
Book Notice
(1972-11)
Craspedacusta Sowerbyi Lankester 1880 and Cordylophora Lacustris Allman 1871 in Western Lake Erie (Coelenterata)
(1972-11) Hubschman, Jerry H.; Kishler, W. Jack
Thirty-seven stations, representing a variety of rocky habitats in the Lake Erie island region were sampled over a three-year period. Rock samples were hand-picked by diving and identification made from living material. The colonial hydroid Cordylophora lacustris was collected at fourteen widely separated locations. The minute polyp form of the freshwater jellyfish Craspedacusta sowerbyi was collected at all of the stations sampled. New hydranth buds, frustules, and medusoid buds were produced in the laboratory by the polyps collected.
Cytogenic Studies of Cyclohexylamine, a Metabolite of Cyclamate
(1972-11) Mostardi, Richard A.; Keller, Roger; Koo, Rebecca
Nine wistar M W-3 pathogen-free rats, selected for this study, were observed for the effects of cyclohexylamine (CHA) on chromosomes. The rats were divided into three groups, each consisting of three animals. Group I served as control, group II received doses of 20 mg/kg body weight, and group III received 50 mg/kg body weight of CHA. The experiment ran for seven consecutive weeks, with CHA being injected intraperitoneally for five consecutive days. One day after the last injection, blood was taken from the tail vein and prepared in vitro for chromosome analysis. The prepared chromosomes were first observed under light microscope and oil immersion, and chromosome spreads which appeared to be abnormal were photographed for detailed examination. The results indicate that CHA did not produce any significant chromosme abnormalities during the course of this study. It is suggested that longer term experimentation utilizing a larger number of animals and employing in vitro technique should be considered in an effort to resolve conflicting results concerning the effects of cyclamates and CHA on chromosomes.
The Origin of Late Pleistocene Deposits at Garfield Heights, Cuyahoga County, Ohio
(1972-11) Miller, Barry B.; Wittine, Arthur H.
Illinoian sand and gravel, Sangamonian paleosol, Altonian and Farmdalian loesses, and Woodfordian sediments (laminated sand, silt, clay, and till) occur in superposition at the George Rackle and Sons Gravel Pit, situated in the valley of Mill Creek, Garfield Heights, Ohio. A molluscan fauna consisting of 17 species of terrestrial snails was identified from three studied sections of the Farmdalian loess. Ten species, Deroceras laeve, Discus cronkhitei, Gastrocopta armifera, Helicodiscus parallelus, Nesovitrea electrina, Punctum minutissimum, Strobilops sp., Triodopsis algonquinensis, Vertigo elatior, and V. gouldi hannai, are new to the Farmdalian loess of this area. Ten of the loess species do not occur at all of the sampled sections. These variations in the composition of the molluscan fauna, together with a consideration of the color and the structure of the Farmdalian loess examined at four sections within this pit, suggest that the deposition may have been interrupted by erosion, or a period of non-deposition, or both, and that it is probably steeply time-transgressive. Colluviation toward the end of the Farmdalian Substage is suggested by a contorted two- to six-inch zone containing broken, angular clasts of clay, pebbles, sand, and terrestrial snails, all contained in a silt (loess) matrix, that occurs locally near the top of the Farmdalian loess. The lower 6 feet of the overlying Woodfordian laminated sequence consists of intercalated layers of sand, silt, and clay, with scattered rock, shell, and plant fragments. This unit contained 12 species of terrestrial snails, all of which also occur in the Farmdalian loess. The terrestrial nature of the fauna, the similarity of the Woodfordian and Farmdalian snail assemblages, the total absence of pollen or of any aquatic organisms, and the presence of scattered clay-blebs, sand-sized quartz grains, and pebbles all suggest that the lower part of the Woodfordian sediments may have been derived locally from older units (Farmdalian loess, Sangamonian paleosol, and Illinoian sand and gravel). These materials were probably transported by some mass-wasting process and redeposited subaerially in topographic lows as slopewash, or as colluvium, or both. Layered modern sediments now accumulating in small, shallow depressions on the floors of abandoned borrow-pits in the area appear to simulate on a small scale the features observed in the basal Woodfordian sediments.
Front Matter
(1972-11)

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