158 Mr. G. A. Boulengev on the Varitties 



(A. parilis, Pasc. 1882) is the J of A. indigaceus, Pasc. 

 1882. 



{A.i-ubrirostris, Pape, 1907) = -4. lameerei, Faust, 1899. 



(.4. trilineatus, Faust, 1891) = ^. siynatus, Boh. 1836. 



A. signatus, Boh., is cited by Bovie (on the autliority of 

 Faust) as an African species, but in reality it is 

 Indian ; and all the specimens identified by Faust 

 under this name {cf. Ann. Soc. Ent. Belg. 1899, 

 p. 415) will almost certainly prove to be A.arcuatus^ 

 Boh. 



A. roelofsi, Lewis, is omitted from Bovie's Catalogue ; it 

 was proposed (Ann. & Mag. Nat. Hist. 1879, p. 465) 

 as a new name for .1. olbolineatus, Roel. 1875 [nee 

 Boh. 1836), and A.sexvittatus, Faust, 1894, falls as a 

 synonym of it. 



The genus xicarus, Pasc, should not be included in tlie 

 Alcidina? ; it belongs to the Hylobiiuse, being nearly 

 related to Paipalesomus, Schh. 



XY. — On the Varieties of the Lharcl Ophiops elegans, Men. 

 By G. A.BOULENGER, F.R.S. 



(Published by permission of the Trustees of the British Museum.) 



Tins lizard, the type of the remarkable genus Ophiops 

 established by Menetries in lb32, the distinguishing feature 

 of which resides in the apparent absence of eyelids*, varies 



* "Palpebra inferior nulla, superioris tantunimodo rudimenta," 

 Mdn^tri^s. — " Oculi palpebris destituti, capsula oculari instructi," 

 Wiegmann. — " Pas de paupieres," Dum^ril & liibron. — " Eyelids none," 

 Gixnther. I ha\e long ago set right this misconception. The only 

 character distinguishing this genus from Cabrita, Gray, is the fusion of 

 the lower eyelid with the upper, a state of things couTeyiug the appear- 

 ance of an absence of the eyelids. "What was supposed to be the cornea 

 of the eye in Ophiops is the transparent disc of the lower lid, neither 

 more nor less developed than in Cabrita. Although united with the 

 upper, the lower eyelid i?, however, not absolutely immovable. On 

 touching the transparent disc in an Ophiops occidentalis which 1 had 

 alive, I observed this to be at once lowered, the upper half of the eye 

 being then covered by the granular portion of the lid. 



