368 



BULLETIN 58, UNITED STATES NATIONAL MUSEUM. 



Lepidoceplialus fasciatus. There can scarcely be tlie slightest doubt, 

 therefore, that they are identical, and that Hallowell's locality, 

 "Japan," for this species, is erroneous. 



Description (figs. 310-311).— ^fMf male; U.S.N.M., No. 7354a; 

 parat3^e of Lepidoceplialus fasciatus; Okinawa shima; November, 

 1854 ? ; W. Stimpson, collector I Rostral a little less than twice as broad 

 as high, the portion visible from above equaling about two and a 

 half times its distance from frontal and about one-half the inter- 

 prefrontal suture; internasals small, less than half as large as the pre- 

 frontals which are broadly in contact with supraoculars; frontal 

 broad and short, slightly longer than broad, its length less than inter- 

 parietal suture and ec[ualing its distance from rostral, the anterior 

 outline nearly straight, the lateral outline curved to the posterior 

 apex; supraoculars narrow, much narrower in front than behind; 

 parietals long, nearly as long as frontal and prefrontal together; 



Figs. 310-311.— Dinodon semicarinatum. IJ x nat. size. 310, top of head; 311, side of head. 



No. 73.54r, U.S.N.M. 



nostril large, between two nasals of which the posterior is much the 

 larger; loreal long and narrow, twice as long as high, upper and lower 

 edges parallel; one small preocular widely separated from frontal; 

 two postoculars; temporals 2 + 3; the upper temporal of the third 

 row very large, bordering the posterior half of the parietal exter- 

 nally; 8 supralabials, third, fourth, and fifth entering eye, the upper 

 portion of the third being greatly extended posteriorly for the pur- 

 pose, sixth and seventh largest; five lower labials in contact with 

 anterior chin-shields which are somewhat longer than the posterior; 

 17 rows of scales, the four outer rows on each side smooth, the other 

 with a feeble though distinct keel on the basalhalf of each scale; 229 

 ventrals with a strongl}^ marked lateral angle; anal entire; 100 pairs 

 of subcaudals. Color (in alcohol) pale yellowish with 40 dark cross- 

 bars on the body and about twenty on the tail, these bars having 

 solid blackish margins while the scales inside the bars have yellow 



