COJSTTEI^TS. 
No. 
J. L. de LaCour, 1883. 1 
C. K. Landis, 1869. 2 
M. D. Landon, 1865. 3 
G. R. Laughton, 1865. 4 
William LeBaron, 1850-1874. 5-104 
J. L. LeConte, 1869-1880. 105-113 
Daniel Lee, 1850. 114 
Joseph Leidy, 1849-1884. 115-132 
J. G. Lemmon, 1880. 133 
W. C. Lemmon, 1880. 134 
George Liddle, 1869. 135 
Gideon Lincecum, 1866-1874. 136-138 
J. A. Lintner, 1870-1888. 139-539 
W. P. Lippincott, 1866. 540 
Samuel Lockwood, 1868-1883. 541-546 
Hermann Loew, 1884. 547 
John Lowell, 1815-1828. 548-551 
Otto Lugger, 1880. 552 
T. T. Lyon, 1875. 553 
S. J. McBride, 1870. 554 
J.M. McBryde, 1881.. 555-556 
H. C. McCook, 1882. 557 
A. R. McCutchen, 1870. 558 
M. C. McLain, 1869. 559 
W. J. McLaughlin, 1868. 560 
Conway McMillan, 1888. 561 
J.B. Manlove, 1846. 562 
B. P. Mann, 1873-1883.1.,. 563-572 
Robert Manning, 1875. 573 
C. L. Marlatt, 1886-1888. 574-578 
H. C. Marsh, 1880. 579 
John Marten, 1881-1884. 580-581 
George Mars, 1886. 582 
A. L. Matthews, 1886. 583 
P. B. Mead, 1864. 584 
Thomas Meehan, 1860-1877. 585-605 
N. C. Meeker, 1868. 606 
R. J. Mendenhall, 1884. 607 
J. W. Merchant, 1870. 608 
C. H. Merriam, 1883. 609 
E. C. Merrick, 1876. 610 
S. Miller, 1880 . 611 
Mansfield Milton, 1885. 612 
5 
