Esscd siir dcs Eaiix de Boston. 171 



dans la rue qui conduit de Brattle /Street au Murclie ; celle 

 de M. Joui^h Hairs still Jioiise, lij the MiU Pond, et cclle de 



Mrs. Neivman, Fore Street. La saison ne m'aj^ant pas pcr- 

 mis de les analyser toutes, je ne communiquerai a 1' Academic 

 que celle de M. Grccnlcaf. 



Ce puits situe dans I'endroit nientionne ci-dessus, a de 

 vingt h. vingt cinq pieds de profondeur, sur environ trente 

 de circonference. Sa source est si considerat)Ie, qu'elle peut 



fournir en douze heures luie qiiantite d'eaii suffisante pour 

 le remplir. 



L'eau presente des differences essentielles dans un esj^ace 

 de terns illimite. M. Greenleaf m'a communiq^ue, qu'ayant 

 pompe de l'eau tr^s transparente, sans odeur, et sans presque 

 de gout ; trois ou quatre heures apres, voulant pomper de 

 noiwelle eau, il la trouvoit opaquC; ajant de I'odeur, et 

 beaucoup de gout, enfln hors d'etat d'etre employe a aucun 



usage domestique : le meme espace de terns apres, quelque- 



fois 



the street, leading from Brattle street, to the Market; that of Mr. Joseph Hall's dis- 

 till house hj the Mill Pond ; and of Mrs. Newman In Fore street Tlie time not per- 

 mitting me to analyze them all, I shall confine myself at present to the water of Mr/ 



Greenleaf's spring. 



This well, situated In the street above mentlonedj is from twenty to twenty five feet 

 deep, and about thirty in circumference. Its source is so considerable, that it will fill 

 itself in twelve hours. 



The water presents very different appearances at different times. Mr. Greenleaf 

 has informed me, that having pumped out very fine transparent water, without smell, 

 and almost without taste ; in three or four hours afterwards, he has drawn from the 



same pump, water that was opake, of a disagreeable smell, and strong taste ; in short, al> 



eolutely unfit for any domestick uses ; and then, In the same space of timcj or perhaps 



a little 



