94 



HELLER 



sides and dorsum barred with light brownish bars forking on sides, 

 anteriorly nearer together and nearly meeting over the nape, posteri- 

 orly breaking up on the sides of the tail into spots. 



According to Steindachner D. biseralis habeli stands nearest the 

 continental form in coloration. From descriptions of the coloration 

 of D. chamissonis it appears that the species is very variable in color- 

 ation and is as often blotched or striped above on a dark ground. D. 

 biseralis has the reverse condition as in the Hood Island forms. 



MEASUREMENTS OF Dromtcus biseridlis biserialis. 



DROMICUS BISERIALIS HABELI (Steindachner). 



Dromicus chamissonis var. habelii STEINDACHNER, Festschr. Zool.-bot. Ges. 



Wein, p. 309, pi. i, fig. 2 ,1876. 

 Orophis biseralis GARMAN, Bull. Essex Inst., xxiv, p. 12, 1892 (part). 



Range. Galapagos Archipelago; Hood Island (Habel, Baur, 

 Hopkins Stanford Expedition). 



Subspecific Characters. Coloration above light grayish-olive with 

 a pair of whitish longitudinal stipes covering third and fourth scale 

 rows, beginning behind eye and becoming obsolete a little posterior 

 to middle of body. Head below light greenish-gray sparingly spotted 

 with dusky. Oculars 13; temporals 22 (3)~3 



MEASUREMENTS OF Dromicus biserialis habeli. 



