IN THE MUSEUM OF COMPARATIVE ZOOLOGY. * 



vina at hand the third supraocular is separated from the 

 angle of the frontal by the elongate anterior granule of the 

 series. 



Ilab. Redonda. 



AMEIVA ERYTHROCEPHALA. 



Lacerla erythrocephala Daud., 1802, Kept., iii, 122. 



Nostril between the two nasals; five occipitals ; four 

 supraoculars, posterior small, posterior two separated from 

 other cephalic shields by granules; six or more supracilia- 

 ries ; loreal undivided ; seven labials, third and fourth 

 largest. Six lower labials, third largest. Submentals one 

 anterior and six or seven pairs, second and succeeding sep- 

 arated from the lower labials by enlarged granules or small 

 scales ; median gulars somewhat enlarged, as also some 

 others at each side of these about half way to the ear; 

 three series of about five enlarged scales each on the meso- 

 ptychium, and around these one to several series of small 

 ones which shade into the surrounding granules. Dorsal 

 granules very small, uniform, smooth. Vcntrals in four- 

 teen rows, thirty-six transverse series. A pair of moderate 

 sized median preanals, at each side of which there are two 

 or three smaller ones and in front of which there is a sin- 

 gle longitudinal series of two or three. Brachials in four 

 or five series, as large as the enlarged gulars; antebra- 

 chials in one series of four to six broad plates and three or 

 four of small ones ; postbrachials smalj, Femoral shields 

 in six rows ; tibials in live, outer large. Digits serrated : 

 outer toe longer than the inner. Femoral pores thirty- 

 seven to thirty-nine. Granules separate the first three or 

 four series of plate- on the median line of the chest. 



Back olive with narrow transverse lines of black, more 

 or less crooked and reticulated. Thorax, upper arm and 

 flanks blackish. The black includes more or less of the 



K-SSKX INST. BULLETIN, Vol.. XIX 1* 



