452 PROCEEDINGS OF THE NATIONAL MUSEUM V0L.ua 



MICRURUS AFFINIS AFFINIS (Jan) 



Three specimens were collected, one at Cuautlapan (No. 111325), 

 one at Potrero Viejo (No. 111326), and another at Metlac (No. 

 111327), Veracruz. They are apparently typical, with complete black 

 rings and very narrow, sometimes scarcely distinguishable yellow 

 ring- : the scales in the red areas are black-tipped. None of the sub- 

 caudals are entire. The anterior infralabials are black; the narrow 

 yellow head ring passes through the middle of the parietals. The 

 black rings cover two to three scale length-. In all the supra- 

 labials and infralabials are 7-7, preoculars 1-1, postoculars 2-2, tem- 

 porals 1-1-2; respectively the ventrals are 214, 197, 198; caudals 



36 ( $ ), 47 ( $ ), 45 ( $ ) ; black rings on body and tail 12-6, 11-6, 

 11-5. 



The Museum has four other specimens, from Orizaba, Veracruz 

 (No. 30359) ; Carrizal, Veracruz (No. 46391) ; Tierra Caliente (No. 

 7089) ; and "Mexico" (No. 75343). 



♦MICRURUS AFFINIS ALIENUS (Werner) 



Three specimens in the Museum are from "Mexico"' (No. 16398) r 

 and El Barrio, Oaxaca (Nos. 30521-2). 



MICRURUS AFFINIS APIATUS (Jan) 



Tentatively referred to this subspecies is No. 111324 from Aguacate, 

 Chiapas. It is a female; scale rows 15-15-15; ventrals 214; caudals 



37 (18 entire); supralabials and infralabials 7-7; preoculars 1-1; 

 postoculars 2-2 ; temporals 1-2-2. Black bands 30 on body, 7 on tail. 

 Total length 631 mm., tail 64 mm. Yellow bands very narrow, one- 

 half or one-third of a scale wide, not visible on belly; black bands 

 two or three scales wide on venter; most of the red scales on back 

 with a black tip; red spaces on belly immaculate; head black to 

 posterior edge of supraoculars; nuchal band including posterior tips 

 of parietals and corner of mouth, incomplete ventrally. 



The Museum has one other Mexican specimen, from Palenque, 

 Chiapas (No. 46392). 



♦MICRURUS AFFINIS MAYENSIS Schmidt 



Five specimens in the Museum are from Yucatan (Xos. 6567, 

 24890-1, 24892). and Chichen Itza, Yucatan (No. 46562). 



♦MICRURUS DIASTEMA DIASTEMA (Dumeril and Bibron) 



A single specimen in the Museum (No. 67374) is from Magdalena, 

 Jalisco. 



