Nuchal: Width of anterior margin, 12 (estimated); greatest width, 37
(estimated); length at midline, 35 (estimated).
First neural: Greatest width, 13; length at midline, 17. Second neural:
Greatest width, 16; length at midline, 14. Third neural: Greatest width,
18; length at midline, 16. Fourth neural: Greatest width, 18; length at
midline, 16.
Costals: Thickness at proximal end, 3-5; thickness at distal end, 2.
First costal: Length of margin bordering nuchal, 23 (this and the
following measurements of the costal and marginal plates are of plates
from the right side of the animal except those indicated by an "L");
length of margin bordering neurals, 17; length of margin bordering
marginals, 38; length of margin bordering 2d costal, 51. Second costal:
Length of margin bordering 1st costal, 53; length of margin bordering
neurals, 16; length of margin bordering marginals, 25; length of margin
bordering 3d costal, 56. Third costal: Length of margin bordering 2d
costal, 55 (L), 56; length of margin bordering neurals, 19; length of
margin bordering marginals, 18; length of margin bordering 4th costal,
58. Fourth costal: Length of margin bordering 3d costal, 58; length of
margin bordering neurals, 16; length of margin bordering marginals, 22;
length of margin bordering 5th costal, 55. Fifth costal: Length of
margin bordering 4th costal, 52; length of margin bordering neurals, 16;
length of margin bordering marginals, 20; length of margin bordering 6th
costal, 41.
First marginal: Length of margin bordering nuchal, 23 (L), 21; length of
outer margin, 23 (L), 23; length of inner margin, 12 (L), 12; length of
margin bordering 2d marginal, 22 (L), 21. Second marginal: Length of
margin bordering 1st marginal, 22 (L); length of outer margin, 22 (L);
length of inner margin, 15 (L); length of margin bordering 3d marginal,
16 (L). Seventh marginal: Length of margin bordering 6th marginal, 18
(L), 17 (estimated); length of outer margin, 25 (L), 23 (estimated);
length of inner margin, 18 (L), 18; length of margin bordering 8th
marginal, 22 (L), 22. Eighth marginal: Length of margin bordering 7th
marginal, 22 (L), 23; length of outer margin, 22 (estimate of L), 22;
length of inner margin, 18 (L), 18; length of margin bordering 9th
marginal, 24 (estimate of L), 23. Ninth marginal: Length of margin
bordering 8th marginal, 24 (L); length of outer margin, 20 (L), 19;
length of inner margin, 19 (L); length of margin bordering 10th
marginal, 23 (L), 23. Eleventh marginal: Length of margin bordering 10th
marginal, 22 (L); length of outer margin, 16 (L); length of inner
margin, 12 (L); length of margin bordering pygal, 18 (L).
Entoplastron: Width, 24 (estimated).
Hyoplastron: Length of margin bordering epiplastron, 25; length of
margin on midline, 37; length from junction of epiplastronal border and
outer border to point on posterior border equidistant from midline, 53;
width from midline to axillary notch, 39; distance between axillary
notch and posterior border, 31.
Hypoplastron: Length of margin bordering midline, 42; length of
posterior (xiphiplastronal) margin, 40; distance from junction of
xiphiplastronal margin and outer margin to point on anterior border
equidistant from midline, 49 (estimated); distance between inguinal
notch and anterior border, 29.
Xiphiplastron: Length of anterior (hypoplastronal) margin, 38; length of
margin along midline, 43; distance from extreme posterior extension of
xiphiplastron to midline, 14.