132 ON THE I'UYSIOGNOMY OF SEKPENTS. 



and in the last two varieties the spots are disposed in three 

 nnvs. The Sumatran variety has large, thick-set, oval, 

 dorsal spots. Rows of scales, 17. S. 145 + 35. 



12. Calamaria Scytale from the Philippines and Cey- 

 lon, characterized by the existence of a pairless anterior 

 frontal plate, and also by a tail provided with undivided 

 scuta ; approaches in form to Cal. Badia. Above brownish, 

 passing below to tarnished ochre-yellow ; three dark spots 

 on the occiput ; as many rays, composed of dark points, 

 along the back and flanks. R. of scales, 17- S. 140 + 30. 



The southern i)arts of North America produce, 



13. Calamaria Striatula, which is also found in the 

 Isle of Martinicpie. It is recognised by its conical head, 

 covered with plates like those of a Coluber, except that the 

 frenals are wanting, by its large eyes, by a very pointed 

 tail, and by lanceolate scales, always surmounted by a strong 

 keel. Above of a pale greyish-brown ; below yellowish. 

 R. of scales, 15 to 17. S. 120 + 35. 



14. Calamaria Elapsoides of Java has lanceolate cari- 

 nated scales, like the preceding ; but it attains a larger 

 size. The eyes are smaller, whilst the nostrils are very 

 open ; the head differs in shape, and the tail is more slen- 

 der ; the colours, which are most brilliant, distinguish it 

 from all the other species. Above, carmine red ; below, 

 pale azure blue. R. of scales, 15. S. 150 + 70. 



15. Calamaria Blumii, an anomalous species of 

 South America, ajDproaches both the Tortrix and certain 

 Homalopsis. It lias a more vigorous form than any other 

 species, a cylindric trunk, a conical and strong tail. Its 

 head is depressed, obtuse, the eyes are very small, and a 

 very long tooth is perceived at the posterior part of the 

 maxillary bone ; six labial plates, two oculars, and two 

 frontals ; elongated occipitals. Above brown, marbled with 

 dark points, and relieved with three obsolete rays ; lower 

 parts and its half-collar yellowish. R. of scales, 15. S. 

 180 + 35. 



16. Calamaria coronata. This Calamar, discovered 

 on the coast of Guinea, has the plates of the head like those 

 of the genus Coronella, but has the small size of a Calamar. 

 Its tail is more slender than usual ; the trunk slightly 



