. Bulletin - United States National Museum. Science. Fig. 6. Dorsal scales, without apical pits. Anterior end of scale at top in this figure and Figure 7- 45. No nuchal collar or band across back of head; size generally large 46 With nuchal collar or band across back of head; size d im i nut i ve Tr imetopon maxillary teeth enlarged (Fig. 4) Le i madoph i s je (Fig. 2) All maxillary teeth about same size -Sordelli na 47»Dorsals at midbody I7 Dorsals at midbody fewer than I7- -58 -48 and paravertebral rows subequal 51 Vertebral scale row distinctly larger than para
. Bulletin - United States National Museum. Science. Fig. 6. Dorsal scales, without apical pits. Anterior end of scale at top in this figure and Figure 7- 45. No nuchal collar or band across back of head; size generally large 46 With nuchal collar or band across back of head; size d im i nut i ve Tr imetopon maxillary teeth enlarged (Fig. 4) Le i madoph i s je (Fig. 2) All maxillary teeth about same size -Sordelli na 47»Dorsals at midbody I7 Dorsals at midbody fewer than I7- -58 -48 and paravertebral rows subequal 51 Vertebral scale row distinctly larger than paravertebrals 49 groove absent (Fig. Mental groove present -D i psas 50. Fig. 7' Double apical pits on dorsal scales. May also be single. Usually outer layer of scale must be removed and examined dry under high magnifi- cation to see pits. banda o collar nucal a traves del dorso de la cabeza; generalmente de gran tamano 46 Con collar 0 banda nucal a traves del dorso de la cabeza; tamano diminuto Tr i metopon maxilares posteriores dilatados () Le i madoph1s Todos los dientes maxilares aproximadamente del mismo tamano (Fig. 2) Sordell i na del medio cuerpo I7 58 Dorsales del medio cuerpo menos de I7 48 vertebral y paravertebral casi iguales- 51 Hilera vertebral distintamente mas grande que paravertebrales 4^ surco mental (Fig. 8) Dipsas Con surco mental 5*^. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off.
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