REPTILES OF THE PACIFIC COAST. 25 



Postanal. Behind the anus, especially a pair of large 



plates in the males of some lizards. 

 Posterior. Toward the tail. 

 Post f rentals . See pref rentals. 

 Postgeneials. The posterior pair of geneials. 

 Postmentals . Plates behind the mental. See sublabial 



and geneial. 



Postocular. Bounding the orbit behind. 

 Preanal. In front of the anus. 



Preanal pores. Glands opening in front of the anus. 

 Prefrontal. Scales between internasals and frontal. 



Sometimes applied to the internasals. 

 Pregeneials. The anterior pair of geneials. 

 Prenasal. Anterior nasal. 

 Preocular. Bordering the orbit in front. 

 Pseudopreocular. Small plate or plates below the preoc- 



ular. 



Reticulate. Marked with lines like the meshes of a net. 

 Rostral. Plate on the tip of the snout. 

 Scute. A scale, especially a large flat one. 

 Su bcaudals. Urosteges . 

 Sublabials. Plates below the infralabials. 

 Subocular. Scales between the eye and the supralabials. 

 Superciliary. Along the upper, outer edge of the orbit. 



Sometimes applied to the supraoculars of snakes. 

 Superior. Upper. 

 Supracaudal. Over the tail; the last pair of marginal 



plates of turtles, sometimes united. 

 Supralabials. Upper labials. Also called superior labials 



or labials. 

 Supraocular. Of snakes, the large scale over the eye; 



of lizards, the scales over the eye excepting the 



superciliaries. 

 Suture. The line of joining. 



OF THK 



UNIVERSITY 



