Journal of researches into the natural history and geology of the countries visited during the voyage of H.M.S. Beagle round the world, under the command of Capt. Fitz Roy, R.N.

(1873 printing)

Journal of researches into the natural history and geology of the countries visited during the voyage of H.M.S. Beagle round the world, under the command of Capt. Fitz Roy, R.N.

(1878 printing)

Journal of researches into the natural history and geology of the countries visited during the voyage of H. M. S. Beagle round the world, under the command of Capt. Fitz Roy /

"From the corrected and the enlarged edition of 1845."

Journal of researches into the geology & natural history of the various countries visited during the voyage of H. M. S. Beagle round the world /

Includes index.

Journal of researches into the natural history and geology of the countries visited during the voyage of H. M. S. "Beagle" round the world, under the command of Capt. Fitz Roy, R. N.

Mode of access: Internet.

Narrative of a voyage to Patagonia and Terra del Fuégo : through the Straits of Magellan, in H.M.S. Adventure and Beagle, in 1826 and 1827 /

Mode of access: Internet.

Charles Wilkes, a US Exploring Expedition and the US` search for its place in the world (1838-1842)

The main focus of this essay is the first American round-the-world scientific voyage, the U. S Exploring Expedition, which took place between 1838 and 1841 and was lead by Lieutenant Charles Wilkes. Here, I discuss the purposes of this expedition in the context of the voyages of circumnavigation accomplished by the various European powers during the same period.

Effects of high-dose etidronate treatment on microdamage accumulation and biomechanical properties in beagle bone before occurrence of spontaneous fractures

We recently demonstrated that suppressed bone remodeling allows microdamage to accumulate and causes reductions in some mechanical properties. However, in our previous study, I year treatment with high-dose etidronate (EHDP) did not increase microdamage accumulation in most skeletal sites of dogs in spite of complete remodeling suppression and the occurrence of spontaneous fractures of ribs and/or thoracic spinous processes. This study evaluates the effects of EHDP on microdamage accumulation and biomechanical properties before fractures occur. Thirty-six female beagles, 1-2 years old, were treated daily for 7 months with subcutaneous injections of saline vehicle (CNT) or EHDP at 0.5 (E-low) or 5 mg/kg per day (E-high). After killing, bone mineral measurement, histomorphometry, microdamage analysis, and biomechanical testing were performed. EHDP treatment suppressed intracortical and trabecular remodeling by 60%-75% at the lower dose, and by 100% at the higher dose. Osteoid accumulation caused by a mineralization deficit occurred only in the E-high group, and this led to a reduction of mineralized bone mass. Microdamage accumulation increased significantly by two- to fivefold in the rib, lumbar vertebra, ilium, and thoracic spinous process in E-low, and by twofold in the lumbar vertebra and ilium in E-high. However, no significant increase in damage accumulation was observed in ribs or thoracic spinous processes in E-high where fractures occur following 12 months of treatment. Mechanical properties of lumbar vertebrae and thoracic spinous processes were reduced significantly in both E-low and E-high. These findings suggest that suppression of bone remodeling by EHDP allows microdamage accumulation, but that osteoid accumulation reduces production of microdamage. (Bone 29:271-278; 2001) (C) 2001 by Elsevier Science Inc. All rights reserved.

Symbolae sinicae :botanische Ergebnisse der Expedition der Akademie der Wissenschaften in Wein nach Südwest-China, 1914-1918 /herausgegeben von Heinrich Handel-Mazzetti ; unter mitarbeit von Viktor Brotherus ... [et al.].

v.1-6

Symbolae sinicae :botanische Ergebnisse der Expedition der Akademie der Wissenschaften in Wein nach Südwest-China, 1914-1918 /herausgegeben von Heinrich Handel-Mazzetti ; unter mitarbeit von Viktor Brotherus ... [et al.].

v.7 pt.1-3

Symbolae sinicae :botanische Ergebnisse der Expedition der Akademie der Wissenschaften in Wein nach Südwest-China, 1914-1918 /herausgegeben von Heinrich Handel-Mazzetti ; unter mitarbeit von Viktor Brotherus ... [et al.].

v.7 pt.4-5

Report of the Second Norwegian Arctic Expedition in the "Fram," 1898-1902.

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