PROFESSOR OF INVERTEBRATE ZOOLOGY 43 
library.* With little doubt the windows of his study, 
where his earlier addresses, the Recherches sur Ll Or- 
ganization des Corps Vivans, and the Philosophie Zo- 
ologique, were probably written, looked out upon 
what is now the court on the westerly side of the 
house, that facing the Rue Geoffroy St. Hilaire. 
At the time of his entering on his duties as pro- 
fessor of zodlogy, Lamarck was in his fiftieth year. 
He had married twice and was the father of six 
children, and without fortune. He married for a 
third, and afterwards for a fourth time, and in all, 
*A few years ago, when we formed the plan of writing his life, 
we wrote to friends in Paris for information as to the exact house in 
which Lamarck lived, and received the answer that it was unknown; 
another proof of the neglect and forgetfulness that had followed 
Lamarck so many years after his death, and which was even mani- 
fested before ne died. Afterwards Professor Giard kindly wrote that 
by reference to the proces verbaux of the Assembly, it had been found 
by Professor Hamy that he had lived in the house of Buffon. 
The house is situated at the corner of Rue de Buffon and Rue 
Geoffroy St. Hilaire. The courtyard facing Rue Geoffroy St. Hilaire 
bears the number 2 Rue de Buffon, and is in the angle between the 
Galerie de Zoologie and the Bibliotheque. The edifice isa large four- 
storied one. Lamarck occupied the second éfage, what we should 
call the third story; it was first occupied by Buffon. His bedroom, 
where he died, was on the premier ctage. It was tenanted by De 
Quatrefages in his time, and is at present occupied by Professor G. T. 
Hamy; Professor L. Vaillant living in the first éage, or second 
story, and Dr. J. Deniker, the éb/othécaire and learned anthro- 
pologist, in the third. The second etage was, about fifty years ago 
(1840-50), renovated forthe use of I'remy the chemist, so that the 
exact room occupied by Lamarck as a study cannot be identified. 
This ancient house was originally called Za Croix de Fer, and 
was built about two centuries before the foundation of the Jardin du 
Roi. It appears from an inspection of the notes on the titles and 
copies of the original deeds, preserved in the Archives, and kindly 
shown me by Professor G. T. Hamy, the Archivist of the Museum, 
that this house was erected in 1468, the deed being dated Lrédre, 1468. 
The house is referred to as maison ditte La Croix de Fer in deeds 
of 1684, 1755, and 1768. It was sold by Charles Roger to M. le 
Compte de Buffon, March 23, 1771. One of the old gardens over- 
looked by it was called de Jardin de la Croix. It was originally the 
first structure erected on the south side of the Jardin du Roi. 
