January 12. 1920 Vol. VII. pp. 3.3-34 



PROCEEDINGS 



OF THE 



NEW ENGLAND ZOOLOGICAL CLUB 



A NEW LIZARD FROM HAITI 



BY EMMETT REID DUNN 



Dr. G. M. Allen brought back from Haiti, in the summer of 

 1919, a series of reptiles, among which is a Leiocephalus that 

 seems to be new. 



Leiocephalus semilineatus sp. nov. 



Diagnosis. — A spiuy lizard rather closely resembling L. personatus but 

 with smooth head shields and with the prefrontals large and broadly in 

 contact with the preocular and the loreal. 



Type, M. C. Z., no. 12,748, taken at Thomazeau, Haiti, August, 1919, 

 by G. M. Allen. 



Description. — Upper head scales large, smooth; nasal in contact with 

 rostral, supraorbitals extensively in contact, five strap-like supraoculars 

 separated from supraorbitals by a series of small scales; two pairs of 

 parietals, the inner rather the larger; two pairs of f rentals; two pairs of 

 large prefrontals, the posterior in contact with preocular and with the 

 loreal, the anterior in contact with loreal. Sides of neck with two folds. 

 Scales back of ear pointed, keeled, and imbricated; a single large keeled 

 scale in front of and above ear; dorsal scales medium, keeled, mucronate, 

 imbricated; ventral scales about same size as dorsals, smooth. Appressed 

 hind limb reaches ear. Tail rounded; caudal crest better developed than 



dorsal. 



Color. — Olive gray. A dark band from eye to groin, indistmctly bor- 

 dered with light above, through anterior half of body, and distinctly bor- 



