DATES OF CONRAD. 
225 
August 25, 1833, and No. 2 November 1, 1833. [By No. 1 
he here means No. 3, or No. 1 of the “ reprint,” and by No. 2 
the Say-Morton number 4.] They have been reprinted in 
order to group together the species of each genus. The 
“ Contributions ” were published some time after the appear¬ 
ance of No. 3 [here he again means the Say-Morton No. 4; 
this inaccuracy is absolutely characteristic of Conrad in cita¬ 
tions] of the present work. By reference to dates it will be 
seen that Mr. Lea has been guilty of a plagiarism in giving 
himself credit for my own observations on the Tertiary 
formations of the United States. A laborious investigation 
of these on my part from New Jersey to the Gulf of Mexico 
has resulted in identifying the Eocene, Miocene, Older and 
Newer Pliocene, and recent formations of the Union. Mr. 
Lea, to my knowledge, knew nothing of our coast Forma¬ 
tions previous to my observations on that subject, and never 
travelled out of his closet to make original discoveries, for 
I have fortunately saved him the trouble.” [The charges 
made by Conrad in the above paragraph were never sub¬ 
stantiated, and the expressions used are merely an index of 
his irritation. It is probably due to them that the pamph¬ 
let became so rare, as Mr. Lea and his friends are said to 
have destroyed as many copies as they could obtain, while 
the edition was very limited.] 
Page 37 begins with the description of species, which con¬ 
tinues to page 54; page 55 contains the references to the 
plates (pi. 15-18) having been misplaced by the printer, 
while on page 56, which should have had the plate refer¬ 
ences, the conclusion of the descriptive part terminates with 
Fusus salebrosus. The species and references for the reprint 
and the original place of publication, respectively, are as 
follows: 
Monoceros armigerus, 
vetustus, 
Melongena alveata, 
Conus sauridens, 
Rostellaria velata, 
Rostellaria laqueata, 
p. 37, tab. 15, fig. 1. Orig. p. 44. 
“ “ “ 15, “ 3. “ “ 44. 
“ “ “ “ “ 2. A. J. S. xxiii, 
38, “ “ “ 7. Orig. p. 33. 
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