Nerodia cyclopion and N. floridana 
93 
13701-02, 13767-68, 13780-81, 13795, 14394, 16933, 17320, 17669, 
18286, 18669, 18761-62, 20180, 20276, 20282-83, 20314, 20338- 
39, 20340-41, 20703, 20722, 20729, 20734, 21059, 22557, 22953, 
23179-80, 23305, 23531, 24081-84, 24086, 24093, 24521, 24669, 
34308, 40285, 40296, 40329. MMNS AR-2427. TU 12830-31, 12836, 
12860-61, 12863-66, 12872, 12914, 12965, 12995-96, 12998-99, 
13000, 13040. UAHC 53-14, 53-42. Mississippi: AMNH 46751. CMNH 
5248-49. MCZ 149576. MMNS (AR)2423, 2425, 2426(A-C), 2431 
(A-B), 2433-37. NMNH 103179. UAHC 65-3517, 65-3518. Mis- 
souri: CMNH 7165. NMNH 24466, 35654, 56256-57. Tennessee: 
NMNH 10397-98. UIMNH 2159-60. Texas: AMNH 67626-27, 67891- 
92. CMNH 827, 829, 1216, 1221, 1238, 1240, 1242, 1244, 1246- 
50, 1254, 1258, 1260-63, 60261. INHS 3135. TCWC 3250, 14755, 
18213, 27425-28, 27432-34, 33806-08, 33811, 46555-56. UF 4386- 
87. UIMNH 1137-42, 1362-63. 
Nerodia floridana — Alabama: AUM 6087. Florida: ChM CR2285. 
LSUMZ 40399, 40400. UAHC 53-36. UF 2127, 2286, 2370-72, 
2491, 2809, 2858, 3913, 4712, 4758-59, 4762, 4766, 4779, 4850, 
4883, 7125, 7217, 7286, 7511, 7869(1-2), 8800, 14211, 14498, 16126- 
27, 17386, 18136, 18348, 21367, 21467, 45766-71, 45778-79, 45781- 
83, 45789, 45790-92, 45804, 45806, 45808, 45858, 45860, 47859, 
50366-67, 50369, 50372, 50374, 50377-78, 50388-89. Georgia: CMNH 
33497. NMNH 130115-16. South Carolina: ChM (CR)2270, 2272, 
2281-82, 2284. SREL 91, 739, 2223. 
ACKNOWLEDGMENTS — I am very grateful to the personnel 
of the 17 museums and universities who allowed me to examine 
specimens in their care. I am especially indebted to Peter Meylan 
for personally packing and shipping over 100 specimens. Paul Moler 
and Kelly Thomas provided information on Nerodia in western Florida. 
Robin Lawson, Anthony Picheo, and William Cooper provided specimens 
from critical localities. Special thanks are extended to the personnel 
of Gulf Shores State Park, Gulf Shores, Alabama, for their excep- 
tional hospitality during a portion of the fieldwork. Louisana State 
University provided funds for computer analysis and a portion of 
my travel expenses, and Steven Buco of the Louisiana State Uni- 
versity Department of Experimental Statistics assisted with the dis- 
criminant analysis. Special thanks to Samuel Sweet, James Petranka, 
and two anonymous reviewers for their excellent statistical and edi- 
torial advice. Finally, thanks to my mentor and friend, Douglas Rossman, 
to whom this paper is dedicated, for expert guidance, boundless 
enthusiasm, and exceptional patience. 
