NOTES. 147 



Lernen . . . kennen, Let us now learn a, series of facts. 4. das betreff ende 

 Organ, the organ in question. 5. Eineni . . . , with respect to a living 

 animal, she acts as if it were a dead object. 6. Es . . . an, in doing so she 

 does care if. 7. sind . . . taub, are they at all deaf. 8. kiinstlich fiittern, 

 m echanically feed. 



LV. DIE GESCHWINDIGKEIT DES LICHTES. 



i. wollen . . . findet, let us recall what takes place. 2. Wettlauf, race. 

 3. von . . . voruberzieht, one of which passes over the disc of Jupiter at 

 regular intervals. 4. schloss daraus, concluded from that. 5. 40,400 

 German miles are equal, approximately, to 186,500 English miles. 6. dies... 

 1st, we must not think. 7. in ... wiirde, was cast into our eye. 8. geht 

 . . . , passes on from atom to atom. 



LVI. PENNSYLVANISCHE GRADMESSUNG. 



i . die . . , determined the length of a degree, at the same time that they 

 fixed the boundary. 2. unter der Breite, in latitude. 3. 39 43' 18", 

 39 Grad, 43 Minuten, 18 Sekunden. 4. sah sie an, regarded it. 5. des- 

 gleichen, likewise. 6. weshalb . . . , consequently it does not affect or enter 

 into BesseVs results. 7. so ... Rotationskorper, it appears, upon the 

 hypothesis that the earth is a figure of rotation. 8. in ... kb'nnen, to be taken 

 into consideration. 



LVII. BORDEN'S VERMESSUNG VON MASSACHUSETTS. 

 i. Der . . . darin zu entwerfen, the original purpose of this survey 

 was first, only to make. 2. als . . . , can be regarded as suitable for the purpose 

 of earth-measurement. 3. Gerichtshof es, of the General Court (the ante- 

 cedent of the General Assembly}. 4. um . . . , to complete a trigonometric 

 survey of the state resting upon astronomic observations. 5. im . . . , welcher, 

 was built essentially like the one, which. 6. in . . . , see Introduction, 2. 

 7. ernstliche, serious. 



LVIII. ENERGIE IN DER RUHE. 



i. Arbeit zu leisten, to perform work. 2. Angenommen, suppose. 

 3. mit . . . werf en, which they throw at one another. 4. nicht erst, not 



