CHAPTER VIII. 



1841-1842. 



VISIT DURING THE WINTER TO THE AAR GLACIER LETTERS to JULES 

 THURMANN AND TO EUGENIO SISMONDA "MONOGRAPHIE D'ECHINO- 

 DERMES VIVANTS ET FOSSILES " - -LETTER TO DESHAYES ANOTHER 

 LETTER TO THURMANN VISIT OF JAMES D. FORBES AT THE "HOTEL 

 DES NEUCH^TELOIS " ASCENT OF THE JUNGFRAU OTHER VISITORS 

 AT THE " HOTEL DES NEUCHATELOIS"-- FORBES AT NEUCHATEL AND 

 LA CHAUX-DE-FONDS INAUGURATION OF THE ACADEMY OF NEU- 

 CHATEL, i8TH OF NOVEMBER, 1841 -- AGASSIZ'S LETTER TO THE REC- 

 TOR OF THE ACADEMY His APPOINTMENT AS RECTOR FOR THE 

 YEAR 1842-1843 CONTROVERSY WITH JAMES D. FORBES ON THE 

 LAMINATED STRUCTURE OF GLACIERS A NEW CABIN TO REPLACE 

 THE " HOTEL DES NEUCH^TELOIS " STAY AT THE AAR GLACIER FROM 

 THE BEGINNING OF JULY, 1842, TO THE MIDDLE OF SEPTEMBER 

 DISCOVERIES OF JOHN TYNDALL DISPUTE WITH KARL SCHIMPER 

 DANIEL DOLLFUS-AUSSET. 



THE winter of 1841 was so rainy at Neuchatel, and 

 in consequence so much fresh snow fell on the Ober- 

 land Alps, that Agassiz was obliged to postpone his 

 proposed visit to the " Hotel des Neuchatelois ' until 

 the 8th of March. On that day he left Neuchatel with 

 his secretary, reaching the Grimsel three days later, 

 without very great difficulty. An hour before their 

 arrival, the guardian of the hospice was advised by the 

 movements of his dog, a fine and very large Newfound- 

 land, that some one was approaching. As is often the 

 case in the Alps and mountainous country, the temper- 



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