APPENDIX. 
A CATALOGUE OFTHE PAL/EONTOLOGICAL PUB- 
LICATIONS OF JOSEPH LEIDY, M. D., LL.D. 
By John' Eykii'man, ivistou, P:i. 
Dr. Heniy C. Chapman in liis "Memoii- of Joseph Leidj-, M. I)., 
LL.D." (Proc. Acad. Nat. Sci. Phihx., 1891, pp. 342-:388) gives a list of the 
recorded publications of this celebrated anatomist, in which there are 
no less than five hundred and tifty-threc communications, principally to 
the Proceedings of the Academy of Natural Sciences of Pliiladelphia. 
It is a noteworthy fact that nearly ono-half of these- communications 
relate to vertebrate pahuontology. Dr. Chapman's complete bibliog 
raphy exhibits the wide range of thought, which Dr. Leidy enjoyed in 
the natural Sciences. At the conclusion of his memoir. Dr. Chapman 
pays this high tribute to his friend. "Possiblj^ no country ever produced 
"a student whose knowledge was at once so accurate and comprehensive. 
"He was an excellent mineralogist and botanist Avithont claiming to l)e 
"cither, among the highest living authorities on comparative anatomy 
"and zoology, one of the most distinguished helminthologists living and 
"the equal of any pala-ontologist at home or abroad." 
1. On the Fossil Horse of America. Proc. Acad.* :!, 1846-47, pp. 
•263-60. 
2. Additional Observations on the Fossil Horse of America. Proc. 
Acad. 3, 1847, pp. 262-66. 
o. On the new Genus and Species of Fossil Ruminantia, Poebrother- 
ium wilsoni, Proc. Acad. 1846-47, pp., 822-26. 
3a. Id. Ann. Nat. Hist. I, 1848, pp. 389-!»2. 
3b. Id. Am. J. Sci.t V, 1848, pp. 276-7'J. 
4. On a new Fossil Genus and Speckles of Kuminantoid Pachyder- 
mata, ^lerycoidodoji culbertsonii. Proc. Acad. IV, 1^48-49, pp. 
47-50. 
5. Tapirus americanus fossilis. Proc. Acad. IV, 1848-49, pp. 180-83. 
6. On Khinoceros occidentalis. Proc. Acad. 1850, p. 119. 
T. Observations on two new Genera of Mammalian Fossils, Eucrota- 
phus jacksoni and Arclueotherinm mortoui. Proc. Acad. V, 1850- 
51, pp. 90-94. 
8. On some Fossil ^faminalian Iveiuains. Proc. Acad. V, 1850-51, pp. 
121-22. 
'.I. On a Fossil Tortoise, Stylemys ncbrasceiisis. Proc. Acad. \', 1850- 
51, pp. 124-26. 
10. On Fossil Remains of Ruminant ungulates from Nebraska. 
Proc. Acad. V, 1850-51, pp. 237-39. 
11. On the Fossil Remains of Balaeiui pala-atlantica and B. prisca, 
from tlie Miocene formation of Virginia. Proc. Acad. V, 18.50-51, 
pp. 308 9. 
-Proct'etliii^K of tlie Acaili'my nf Nntiinil SciiMics, I'liibi. 
I American Joiiniiil of SciiMiro. 
