198 U.S. NATIONAL MUSEUM BULLETIN 220 



Megalops itiaculalus Hallowell 



Proc. Acad. Nat. Sci. Philadelphia, vol. 12 (1860), p. 488, 1861. 

 =Leptodeira maculata (Hallowell) 

 Holotype: 7367, Tahiti (but probably from Nicaragua), C. B. Adams. 



Mesopeltis longifrenis Stejneger 



Proc. U.S. Nat. Mus., vol. 36, p. 457, 1909. 

 =Sibynomorphus longifrenis (Stejneger) 

 Holotype: 38750, Bocas del Toro, Panama, F. E. Read. 



Mesopeltis sanniolus Cope 



Proc. Acad. Nat. Sci. Philadelphia, vol. 18 (1866), p. 318, 1867. 

 ^=Dipsas sanniolus (Cope) 

 Holotype: 6564, Yucatan, Mexico, A. Schott. 

 Probable paratype: 24888, same data. :; 



Micrurus affinis mayensis Schmidt 



Field Mus. Nat. Hist., Zool. Ser., vol. 20, p. 37, 1933. 

 Paratype : 46562, Chichen-Itza, Yucatan, Mexico, E. W. Nelson and E. A, 

 Goldman, February 1901. 



Micrurus affinis slantoni Schmidt 



Field Mus. Nat. Hist., Zool. Ser., vol. 20, p. 36, 1933. 

 Paratypes (3) : 16398, Mexico, MNHP, 56611, Belize, British Honduras, 

 J. Hurter, May 20, 1914. 71784, Peten, Guatemala, H. Malleis. 



Micrurus clarki Schmidt 



Field Mus. Nat. Hist., Zool. Ser., vol. 20, p. 211, 1936. 

 "" Paratype: 14062, Costa Rica, J. C. Zeledon, Oct. 4, 1884. 



Micrurus diastema proximans Smith and Chrapliwy 

 " Herpetologica, vol. 13, p. 270, 1957. 



Paratype: 67374, Magdalena, Jalisco, Mexico, C. C. Elliott. 



Micrurus latifasciatus Schmidt 



Field Mus. Nat. Hist., Zool. Ser., vol. 20, p. 35, 1933. 

 =Micrurus fulvius (Linnaeus) 

 Paratype: 20637, Guatemala, W. C. Shannon and C. A. Hedekin. 



Micrurus nigrocinctus alleni Schmidt 



Field Mus. Nat. Hist., Zool. Ser.. vol. 20, p. 209, 1936. 

 Paratypes (2) : 15306, Cape Gracias, Nicaragua, C. Carlos. 20688, 

 Nicaragua, F. P. Davis. 



Micrurus nigrocinctus mosquitensis Schmidt 



Field Mus. Nat. Hist., Zool. Ser., vol. 20, p. 33, 1933. 

 Paratypes (7) : 9785, Costa Rica, J. C. Zeledon, 1878. 19553. Greytown, 

 Nicaragua, C. W. Richmond, Feb. 6, 1892. 30624-5, 30627-8, Costa Rica, 



