386 - " SAURIA. - - 



- Log. — This species was collected about Puget Sound, Oregon. •" 



Plate XIX, fig. 1, represents a profile view of the male sex of Scelo- 

 'porus frontalis^ size of life. 



Fig. 2, is an under view of the same individual. 



Fig. 3, the head, seen from above ; 



Fig. 4, a front view of the head. 



Fig. 5, the left hand, viewed from above. 

 ' Fig. 6, a group of dorsal scales ; 



Fig. 7, a group of abdominal scales. 



Figs. 3-7, are somewhat magnified, to bring out the details more 

 conspicuously. ' 



4. SCELOPORUS GRACILIS, B. & G. 

 (Plate XX, figs. 1-9.) 



Char. spec.-^/Sc^^^iV cephalicis laevihas. Scuto anteparietali quam ver- 

 iids mojori; scittis postparietalihus in dua paria ordinatis. Scuto 

 occipitali mediano amijlissimo, 'pentago7ialL Scutis latero-occipitalibus 

 minimis, in dua paria' dispositis; loreis duohus; supralahialibus 



' in dvplicem seriem ordinatis ; mentalium quatuor paribus. Squamis 

 postanalihus magnis, suhlanceolatis, laevihus, postice emarginatis. 

 Fetnorum facie posteriori squamis mi7iimis, rotundis, et laevihus, 

 cooperta. Supra fusco-oUvaceo, cum duahus seriehus macularum 



' nigrarum crescentiformihus, et duahus vittis claris iri laterihus, inter 

 quas punctorum nigrorum series invenitur. Infra flavescente; fade 

 inferiori capitis caeruleo nebulata. Mare macula caerulea elmigaia 

 in utroque abdominis latere 7iotato. 



Spec. Char. — Cephalic plates smooth. Anterior parietal larger than 

 * the vertex plate ; two pairs of postparietals. Middle occipital very 

 large, pentagonal. Two pairs of small latero-occipitals. Two lorals. 

 Two series of supralabials. Four pairs of mental shields. Postanal 

 scales large, sublanceolated, smooth, posteriorly notched. Posterior 

 ' aspect of thighs covered with small, rounded, and smooth scales. Oli- 

 vaceous-brown above, with a double series of crescent-shaped black 

 spots on the back, and two lateral light streaks, in the intervening 



