424 



SNAKES OF CEYLON 



* Lepas tenuivalvata (Annandale), Dichelaspis warwicki (Gray), 

 and a species of *Platyhpas, the specific identity of which 

 has not yet been determined. (Fig. 79.) 



Car- 



Fig. 79. — Common barnacle. 

 (Lepas anserifera.) 

 car == carina or keel, 

 cir = cirri, 

 ped = pedicle or stalk, 

 sc = scutum, 

 ter = tergum. 



Lepidosis. — (a) Typical — Rostral : Broader than high. 

 Nasals : Usually no suture from the nostrils to the labials. 

 Prefrontals: Touch the 2nd supralabial. Frontal: Longer 

 than broad, shorter than the parietals ; the fronto -parietal 

 sutures are subequal to or rather longer than the fronto - 

 supraoculars. Supraoculars : About three-fourths the length 

 of the frontal, and about three-fourths the breadth of that shield 

 along a line connecting the centres of the eyes. Prmocular : 

 One. Postoculars. Two or three. Temporals : Not differen- 

 tiated, replaced by small scales. Supralabials : Seven to 

 eleven ; the 2nd largest ; the first three usually entire, but all 

 the rest are subject to division, and hardly two specimens are 

 quite alike ; the 1st and 2nd touch the nasals ; and the 4th 



* Only found as yet attached to sea snakes and not any inanimate 

 objects. 



