268 Correspondence of J. Nickles. 
when he was named for the chair of vegetable organography at the Fac- 
ulty of Sciences of Paris, in place of Auguste de Saint-Hilai 
This chair was soon united with that of Vegetable Anatomy and Physi- 
ology, which became vacant by the death of Adrian de Jussieu. It was 
about this time that Payer published his principal works on Natural 
istory. 
We are indebted to him for memoirs upon various questions in vegeta- 
ble anatomy and physiology, but his most important labors were rela 
to a new science called by M. de Mirbel, Organogeny. He developed the 
latter in a great work, entitled “Zraite d’ Organogenie Végétale Comparée.” 
He also published “ Botanigue Cryptogamique ou Histoire des Familles 
Inférieures.” He edited D’Adanson’s “ Le Cours Elémentaire d’ Histoire 
Naturelle,’ to which is added an introduction and notes on the natural 
His memoir upon the perturbation of planets was in 1813 honored 
by the Academie des Sciences. Besides various articles furnished to the 
Connaissance des Temps, we are also indebted to him for a report upob 
in the country. This may explain the numerous failures of Velpeas 
chief surgeon of the Hospital La Charité. M, Castelnau declares th 
the patient to a healthy locality.” Surgical operations performe 
ris, are frequently followed by erysipelas of a character more or less co 
ing, which appears to pass from one patient to another, as though ca 
Czsarian section has never been successful at Paris. Amputations of the 
* sur la determination de la |, Pare du iridien entre les pat 
alli BD Dunk que et L Fi Pr ongueur de are ™ : 
eae 
