20 BULLETIN 32, UNITED STATES NATIONAL MUSEUM. 



Kana montezum^e Baird, Proc. Acad. Pbila., 1854, p. 61 ; U. S. & Hex. Bound. Survey, 

 ii Eeport, p. 27, pi. xxxvi, figs. 1-6. 

 Tobasco, Berendt ; Tehuantepec, Sumichrast ; Guatemala, Hague ; City of Mexico, 

 liich, Cope, 



Subspecies concolor Cope. 

 Similar to the typical form, but of a uniform fawn-brown color without the spots 



of the typical form. 

 Guanajuato, Duges. 



REPTILIA. 

 CROCODILIA. 



Crocodilus Laurenti. 



Specimen exhib. Synopsin Reptilium, 1768, p. 53. 



Crocodilus americanus (Plumier), Scbneider, Hist. Amph. fasc. 2, 1801, p. 167; Le 

 Crocodile St. Domingae, Geoffroy, Ann. Mus. Nat. Hist., 1803, ii, p. 53, pi. xxxvii, 

 fig. 1 ; Cope, Proc. Amer. Philos. Soc, 1869, p. 161 ; Crocodilus acutus Cuv., Ann. 

 Mus. Nat. Hist., 1807, x, p. 55, pi. i, figs. 3, 14, pi. ii, fig. 2 ; Geoffroy, Ann. Mus. 

 Nat. Hist., 1807, t. x, p. 67 ; Cuv. Oss. Foss, 1824, t. v, part 2, p. 55, pi. i, figs. 3. 

 14, pi. ii, fig. 5; Gray, Synopsis, 1831, p. 60, spec. 8; Dum. et Bibr., Erp. Gdn., 

 1836, t. iii, p. 119; Crocodilus americanus, Gray Catal. Tort. Crocod., 1844, p. 60; 

 Molinia americana Gray, Synops. Spec. Rec. Crocod., 1862, Trans. Zool. Soc, 

 Lond., 1867, t. vi, p. 151 ; C. americanus Bocourt, Miss. Sci. au Mex., iii, p. 30, 

 pi. viii, figs. 7-7a, pi. ix, fig. 1. 



Subspecies pacificus Bocourt, Miss. Sci. au Mex., iii, p. 31, pi. ix, figs. 5-5a, 5&. 

 Nagualate, Western Guatemala, Bocourt; Tehuantepec, Smnichrast. 



Subspecies mexicanus, Crocodilus americanus, var.. Gray, Cat. Tort. Croc. B. 

 M., 1844, p. 60; Molinia americana, var., Gray, Synops. Spec. Rec. Croc, 1862, and 

 Trans. Zool. Soc, 1867, t. vi, p. 151 ; C. mexicanus Bocourt, Miss. Sci. an Mex., 

 iii, p. 34, pi. viii, figs. 3-3rt. 

 Tampico, Montluc. 

 Crocodilus moreletii A. Dum., Cat. Meth. Coll. Kept. M. P., 1851, p. 28, and 

 Arch, de Mus., 1852, t. vi, p. 146; Alligator lacordairei Prud. du Borre, Acad. 

 Roy. Belgique (extr. bull., 2d ser., 1869, t. xxviii, No. 7, p. Ill); C. rnoreletii 

 Bocourt, Miss. Sci. au Mex.. p. 37, iii part, pi. viii, figs. 1-la, and ix, figs. 2-2a, 

 26 and 3. 

 Peten, Flores, Belize, Polochic, Guatemala, Morelet. 



Jacare Gray. 



Coeman Gray. 



Jacare punctulata Spix; Jacaretinga punctulatus Spix, Anim. Nov., p. 2, t. 2; Alli- 

 gator punctulatus, Dum. Bibr., i, 91; Giinther, Biol. Centr. Amer. Rept., p. 21; 

 Jacare chiapasanus Bocourt, Journ. Zool., 1876, p. 400. 

 Chiapas, Bocourt. 



Note. — The Alligator miggigsippiensis ranges to the mouth of the Rio Grande Kiver, but has not 

 been found bejond it to the southward. 



