. The American journal of anatomy . cription of such anapparatus which I have found is by In the article inZeitschrift fur wissenschaftliche Mikroskopie he describes the firstapparatus, which he devised, as follows: 1 E. R. Clark, Observations on living, growing lymphatics in the tail of thefrog larva. Anatomical Record, vol. 3, no. 4, 1909. 2 Cori, Lotos, Bd. 13, referred to in Zeitschrift fur wissenschaftliche Mikros-kopie, Bd. 10, 1893, p. 149. 351 352 ELIOT R. CLARK Nach der in der Zeitschrift Lotos gegeben Beschreibung bestand aus einem Objecttrager von Format 5:10 cm., auf welchem
. The American journal of anatomy . cription of such anapparatus which I have found is by In the article inZeitschrift fur wissenschaftliche Mikroskopie he describes the firstapparatus, which he devised, as follows: 1 E. R. Clark, Observations on living, growing lymphatics in the tail of thefrog larva. Anatomical Record, vol. 3, no. 4, 1909. 2 Cori, Lotos, Bd. 13, referred to in Zeitschrift fur wissenschaftliche Mikros-kopie, Bd. 10, 1893, p. 149. 351 352 ELIOT R. CLARK Nach der in der Zeitschrift Lotos gegeben Beschreibung bestand aus einem Objecttrager von Format 5:10 cm., auf welchem ein [ | formig gebogener Glasstreifen aufgekittet war. Derselbe functionirte als Seit-enwande und Boden des Aquariumraumes. Die Ruckwand dagegenbestand aus einem Deckglaschen vom Formate 30:40 mm. Die ganzeVorrichtung wurde mittels Klammern wie ein Objecttrager auf demTisch eines umgelegten Mikroskopes befestigt. An upright chamber with the tube of the microscope horizon-tal was used by Professor Mall in unpublished studies on the. Fig. A Apparatus used in making the observations; for explanation of theletters see text. blood vessels in the tail of the frog larva. Harrison3 used aglass cell having plane walls to hold living frog larvae in theirnormal position while being photographed. Since the uprightchamber is quite important for the success of the observations,a description of the one used will be given. It corresponds almostexactly with the one described by Cori. On an ordinary 51:76mm. glass slide fig. A (S), are fastened, with the aid of damar orCanada balsam, three narrow strips consisting of two thicknessesof window glass, in the position | j The uprights, (B) and (C), 3 R. G. Harrison, Archiv fur Entwickelungsmechanik der Organismen, , 1898, p. 434. GROWING LYMPHATICS AND THE MESENCHYME 353 are fastened to the horizontals (A) by damar. The fifth side ofof the chamber is formed by a cover-slip (E), while the sixthside is left open. Paraffin is used in order that re
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectanatomy, bookyear1912
