Search Results - "Proceedings of the Pennsylvania Academy of Science"

THE RELATIONSHIP BETWEEN VITAMIN B COMPLEX FACTORS, LIPOTROPIC FACTORS, AND STEROID HORMONES; WITH PARTICULAR EMPHASIS UPON GERIATRICS by Greenbaum, Frederick R.

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A THERMOTROPIC GRADIENT APPARATUS WITH SOME PRELIMINARY STUDIES ON PLANARIA PHAGOCATA GRACILIS HALDEMAN, NEWT TRITURUS VIRIDESCENS RAFINESQUE AND EARTHWORM LUMBRICUS TERRESTRIS LINNAEUS by Eddy, Milton Walker, Gleim, David Ivan

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DIELECTRIC CONSTANT OF ATOMIC HYDROGEN by STUDNIARZ, S. ALEXANDER, CRAWFORD, J.P.

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BREEDING-BIRD COMMUNITIES ASSOCIATED WITH PENNSYLVANIA NORTHERN HARDWOOD CLEARCUT STANDS by DESSECKER, DANIEL R., YAHNER, RICHARD H.

“…The effect of differential timber regeneration on breeding-bird communities was studied in six northern hardwood (Prunus serotina-Acer spp.) clearcut stands in…”
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INTERSCHOLASTIC FOOTBALL IN PENNSYLVANIA: A REVIEW OF SELECTED MUNICIPALITIES AND PROGRAMS by SCHNELL, GEORGE A.

“…Municipalities in Pennsylvania identified as significant producers of intercollegiate football players differ in many ways and, therefore, raise questions…”
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A RECORD OF THE PRAIRIE DEER MOUSE (PEROMYSCUS MANICULATUS BAIRDII) FROM ROCKBRIDGE COUNTY, VIRGINIA by PITTS, LTC. RICHARD M., KIRKLAND, GORDON L.

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A COMPARATIVE STUDY OF NEISSERIA GONORRHOEA, CHLAMYDIA TRACHOMATIS AND UREAPLASMA UREALYTICUM ISOLATED FROM A SEXUALLY ACTIVE POPULATION by MUCH, DAVID H., Much, David M.

“…A population of 248 men and women presenting to a sexually transmitted disease (STD) clinic was tested for the presence of Neisseria gonorrhoea, Chlamydia…”
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THE GEOGRAPHY OF GROUP OWNERSHIP OF DAILY NEWSPAPERS IN THE NORTHEAST UNITED STATES, 1940-1985 by MONMONIER, MARK

“…Between 1940 and 1985, newspaper groups increased their control of daily newspapers in the nine states of the Northeast from 12 to 59 percent. Most of this…”
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DERMATOGLYPHICS IN MULTIPLE SCLEROSIS: A COMPARATIVE STUDY by MICHEL, KENNETH E.

“…Dermatoglyphic patterns were studied in 51 patients with multiple sclerosis (MS) and in 50 controls. Female patients demonstrated bilateral digital pattern…”
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NOTES ON SMALL MAMMALS AND THEIR HABITATS IN LITTLE BENNETT REGIONAL PARK, MONTGOMERY COUNTY, MARYLAND by HENCH, JOHN E., KIRKLAND, GORDON L., GIBBS, ROB

“…Small mammals (excluding bats) were trapped in Little Bennett Regional Park, Montgomery County, Maryland, during autumn 1984 and autumn 1985. Twelve sites were…”
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PERIPHYTON, BENTHIC INVERTEBRATES AND FISHES AS BIOLOGICAL INDICATORS OF WATER QUALITY IN THE EAST BRANCH BRANDYWINE CREEK by KNORR, DONALD R, FAIRCHILD, G. WINFIELD

“…Three groups of stream organisms—periphyton, benthic macroinvertebrates and fish—were examined in relation to changing physicochemical conditions in the East…”
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Early ovule development, megasporogenesis, and megagametogenesis in Cichorium intybus L. (Asteraceae) by Smith, B.B, Bankert, T.A

“…This paper reports an investigation of early ovule development through mature megagametophytic stages of Cichorium intybus L. Flowers were collected from urban…”
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A COMPARISON OF COUNTING MACROZOOPLANKTON WITH MICROPROJECTOR AND MICROSCOPE by REIF, CHARLES B., MIKULIS, LISA A.

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Plankton, chlorophyll characteristics and fishery potential of surface coal mine lakes in western Pennsylvania by Brenner, F.J, Edmundson, J, Werner, M, McGrath, T

“…A survey was conducted on 138 surface mine lakes of various ages located on 81 surface mine in Mercer County, Pennsylvania, and of these, only 18 had a pH of…”
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FIRST RECORD OF THE MARYLAND SHREW (SOREX FONTINALIS) FROM WEST VIRGINIA by KIRKLAND, GORDON L., LEVENGOOD, JEFFREY M.

“…Two specimens of the Maryland shrew (Sorex fontinalis) from Romney, Hampshire Co., (Cornell Univ. nos. 11965-66) represent the first record of this species…”
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Ovipositional behavior of the caddisfly, Ptilostomis postica (Phryganeidae) in temporary autumnal pools in southcentral Pennsylvania by McGonigle, J.V. Jr, Howard, F.O

“…The Mt. Cydonia area in Franklin County, Pennsylvania contains many temporary pools, most of which support a variety of aquatic organisms. An ecological study…”
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Trade-offs between man and nature. IV. Strategies of resource development and depletion by MILLER, VINCENT P.

“…Fourth in a series examining the environmental philosophy of geography, the present effort outlines various attitudes and strategies of resource development…”
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THE UNIONID (MOLLUSCA: BIVALVIA) FAUNA OF THE SHENANGO RIVER IN MERCER COUNTY, PENNSYLVANIA by BURSEY, C.R.

“…A survey of unionid mollusks (mussels) was conducted at six sites in the Shenango River in Mercer County, Pennsylvania, during 1983 and 1984. A total of…”
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Reproductive phenology and functional gender in garden-grown birds-foot trefoil (Lotus corniculatus) by WINSOR, JAMES A., STEPHENSON, ANDREW G.

“…Sexuality of 17 Lotus corniculatus plants was analyzed using an index of functional gender. The index was modified from Lloyd's formula to account for…”
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A fire history analysis of Catoctin Mountain Park by Dobey, D.C, Garazo, H.F, Strider, P, Langdon, K

“…Fire scarred cross sections of White Pine (Pinus strobus) and Pitch Pine (Pinus rigida) were sampled from Catoctin Mountain Park and were examined to determine…”
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