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Recurrences of hypotheses about ammonites and Argonauta
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INTRODUCTION
THE FUNCTIONAL morphology of septal sutures and modified body-chambers of ammonoids and their inferred life habits have been popular topics for over a hundred years. Such long history includes the repetition of ideas, some rejected long ago, that originated in the last half of the 19th century mainly in Germany and Austria. Recent examples of such recurrences are the papers by Lewy (1996, 2000, 2002). His nude-ammonites-became-octopods thesis goes back to Suess (1865) and ...
Related newspaper, magazine, and journal articles from HighBeam Research
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PARENTAL CARE OF FLEDGLING WOOD THRUSHES.
Wilson Bulletin
; J. H. VEGA RIVERA [1,3,4] C. A. HAAS [1] J. H. RAPPOLE [2] W. J. MCSHEA [2] ABSTRACTWe report the study of parental care of Wood Thrush (Hylocichla mustelina) fledglings from nest-leaving to independence. From 1993 to 1995, we captured, radio-tagged, and monitored the movements and behavior of 23
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On the growth of bivalve gills initiated from a lobule-producing budding zone.(Development and Reproduction)
The Biological Bulletin
; Introduction Bivalve gills are unique organs that show a continuous terminal growth by adding new elements in correlation with the lifelong increase in shell size. The gills consist of two plate-like demibranchs that are extended anterior-posteriorly on each side of the visceral mass (the only
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Dung beetle days at Addo.(News)
The Mercury (South Africa)
; BYLINE: Jenny Goodrick Careful! Dung beetle crossing on the right! We narrowly avoided crushing this rare creature. Please preserve the dung beetle, said a sign at the entrance to the Addo Elephant National Park. We crawled along at about 10km/h, eyes glued to the ground. After a few minutes we had
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Chan bombs in ill-fitting 'Tuxedo'
Chicago Sun-Times
; The Tuxedo *1/2 Jimmy Tong Jackie Chan Del Blaine Jennifer Love Hewitt Clark Devlin Jason Isaacs Banning Ritchie Coster Steena Debi Mazar DreamWorks Pictures presents a film directed by Kevin Donovan. Written by Michael J. Wilson and Michael Leeson. Running time: 99 minutes. Rated PG-13 (for action
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Small size, brooding, and protandry in the apodid sea cucumber Leptosynapta clarki.
The Biological Bulletin
; Abstract. The apodid sea cucumber Leptosynapta clarki exhibits the three commonly associated traits of small adult size (max. length 113 mm), brooding (intraovarian = viviparity), and hermaphroditism (protandric). Juvenile L. clarki are released from the ovary at a length of 1-2 mm in the early
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Active Parental Care in a Freshwater Amphipod (Crustacea: Gammarus pseudolimnaeus): Effects of Environmental Factors
The American Midland Naturalist
; ABSTRACT.- Female amphipods carry their eggs and offspring in a ventral brood pouch. Previous research has demonstrated that females of species inhabiting harsh environmental conditions expend additional energy in active parental care such as ventilating eggs by beating their pleopods. This study
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Dampwood termites. (Pest Identification).
Pest Control
; Species: Zootermopsis spp Family: Hodotermitidae Order: Isoptera In the United States, the true dampwood termites of the family Hodotermitidae are represented principally by two species: the Pacific dampwood termite (Zootermopsis angusticollis) and the Nevada (also called the small) dampwood
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Chan suits up for more pointless action
Daily Breeze
; There is an ancient tradition in action movies that the first scene is a self-contained shocker with norelevance to the rest of the plot. James Bond parachutes from a mountainside, Clint Eastwood disarms a robber, etc. Jackie Chan's "The Tuxedo" opens with a deer urinating in a mountain stream. The
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Thirsting for action
The Record (Bergen County, NJ)
; 00-00-0000 Thirsting for action ROGER EBERT Date: 09-27-2002, Friday Section: GO! Edtion: All EditionsTwo Star B. Two Star P. One Star B * 1/2 THE TUXEDO: Directed by Kevin Donovan. Produced by John H. Williams and Adam Schroeder. Written by Michael Wilson and Michael Leeson. Photographed by
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Swimming in Higher Social Circles; For Belize Shrimp, Bee-Like Cooperation Is Way of Life -- and Survival
The Washington Post
; In sponge-covered reefs off the coast of Belize, a Virginia scientist has discovered "hives" of tiny shrimp living cooperatively like honeybees and wasps, providing the first known example of such a highly evolved social system in a marine animal. The colonies of pink and orange "snapping shrimp,"
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