12 BOTTOSAURUS. 
Lines. 
Length of sixth cervical vertebra at the lower part of the body . 2 ; an £25 
Breadth of body anteriorly . : : 2 : . : : - ey 2D 
Height of body anteriorly . ; A : é : e : 4 5 a 2B 
Height of vertebral canal anteriorly. é : : . ; : : ee 
Width of vertebral canal anteriorly. - - : 7 , : z 4 peal! 
Length of body of first dorsal laterally “ : : c : z : . 24 
Breadth of body of first dorsal anteriorly . : - . 26 
Height from lower part of body posteriorly to summit of sents ae : . 68 
Height of vertebral canal anteriorly . ‘ ‘ . & 5 é 2 are 
Width of vertebral canal anteriorly . , A A : : : . =) 2 
Length of body of third dorsal inferiorly. < : : < ; 2 . 226 
Length of body of third dorsal “yen - : : = : 3 : . 24 
Length of hypapophysis . 5 5 : : : k e a surne 
Width of hypapophysis at middle : 5 5 5 z ko 
Height from end of hypapophysis to summit of pains ae : c : oe) 
Height of body anteriorly ; : . : ; - c : é . 25 
Width of body anteriorly . : : 9 : a oll 
Height anteriorly from lower edge of bodly tio auntie of spinous process 75 
Length of spinous process anteriorly from edge of vertebral canal : ; 29) 43 
Height of vertebral canal anteriorly. , ‘ : : : 9 
Width of vertebral canal anteriorly . 5 s : 2 = z , eel 
Length of transverse process above. : : 5 ; . 24 
Length of eoossified eighth and ninth dorsal odes eer : riled . 58 
Height of body of eighth dorsal anteriorly .  °. : - ; < bY 
Width of body of eighth dorsal anteriorly . : : : : , : 2b 
Height of vertebral canal anteriorly. ; : F 5 oe 3 canes: 
Width of vertebral canal anteriorly. : : g 5 : 2 : 5 
Length of body of tenth dorsal inferiorly. : 5 > : é z Sa 8 
Length of body of tenth dorsal laterally —. : : : : ° - 3 28) 
Height of body anteriorly . é : : : : : : 5 : . 26 
Width of body anteriorly . : : : E : 5 : = 3 aii 
Height of vertebral canal anteriorly. é ° - - 5 : : aS 
Width of vertebral canal anteriorly —. < = - 4 3 5 . ett 
Height of spinous process anteriorly . 5 é é 2 : : 5 . 34 
Width of spinous process at middle. : 2 5 - 0 : : = IS 
Length of body of eleventh dorsal laterally 2 : : : : : #228 
Length of body of twelfth dorsal laterally . : 2 > : c : . 30 
Length of bodies of first and second lumbars laterally : 3 , 5 . 32 
Height of body of first lumbar anteriorly. ; : : : : : . 24 
Width of body of first lumbar anteriorly . x : : : é 5D 
BOTTOSAURUS. 
Bottosaurus Harlani. 
Extinct species of Crocodile, Hannan, Journ. Acad. Nat. Sci. Phila. IV, 1824, 15, pl. 1. 
Crocodilus Harlani, MEYER, Paleologica, 1832, 108. 
Crocodilus macrorhynchus, HARLAN, Med. and Phys. Researches, 1835, 369; Trans. Geolog. Soc. Penn, I, 1835, 76; 
Edinb. New Phil. Journ. XVIII, 1835, 28; Jahrb. f. Miner. 1836, 105.—Gresen, Fauna d. Vorwelt, 1847, 122. 
Bottosaurus, AGAssiz, Proc. Acad. Nat. Sci. Phila. IV, 1849, 169. 
Crocodilus basitruncatus, OwEN, Jour. Geol. Soc. Lond. V, 1849, 380; Palwontology, 1860, 277.—Picrer, Traité de 
Paléont. I, 1853, 482. 
In the fourth volume of the Journal of the Academy of Natural Sciences, 1824, 
Dr. Harlan described the fragment of a lower jaw, obtained from the Green Sand, 
and presented to the Academy by Samuel Wetherill, of Burlington, N. J. The 
