
CRW eK Les, 
BASED ON THE SPECIMENS CONTAINED IN THE NATIONAL MUSEUM, 
WASHINGTON. 
1. ALLIGATOR MISSISSIPPIENSIS DaupDin. 
Alligator. 
2, CROCODILUS AMERICANUS Seba. 
American Crocodile. 
3. DERMATOCHELYS CORIACEA (VANDELLI) STRAUCH. 
Leather-back Turtle; Trunk Turtle; ‘* Luth.” 
4. THALASSOCHELYS CARETTA (LINN.) TRUE. 
Loggerhead. 
+. THALASSOCHELYS KEMPI Garman. 
Bastard Loggerhead. 
6. BRETMOCHELYS IMBRICATA (LINN.) AGASSIZ. 
Atlantic Hawk’s-bill Turtle. 
7. BRETMOCHELYS SQUAMATA AGassiz. 
Pacific Hawl’s-bill Turtle. 
8. CHELONIA MYDAS (LINN.) SCHWEIGGER. 
Atlantic Green Turtle. 
9. CHELONIA VIRGATA SCHWEIGGER. 
Pacific Green Turtle. 
10. AMYDA MUTICA (LEs.) AGASSIZ. 
Unarmed Trionyx. 
ll. ASPIDONECTES FEROX (SEHN) WAGLER. 
Soft-shelled Turtle. 
12. ASPIDONECTES SPINIFER (Lrs.) WAGLER. 
Spiny Soft-shelled Turtle. 
13. ASPIDONECTES ASPER AGASSIZ. 
Rough Soft-shelled Turtle. 
14. ASPIDONECTES NUCHALIS AGASSIZ. 
Agassiz’s Soft-Shelled Turtle. 
15. ASPIDONECTES EMORYI AGassiz. 
Emory’s Soft-shelled Turtle. 
16. CHELYDRA SERPENTINA (LINN.) SCHWEIGGER. 
Snapping Turtle; ‘‘ Cooter.” 
17. MACROCHELYS LACERTINA (ScHWEIGGER) COPE. 
Alligator Snapping Turtle; ‘‘ Caoune.” 
18. AROMOCHELYS ODORATA (Larr.) Gray. 
Musk Turtle; ‘‘Stink-pot.” 
