ArT. 16. TWO SQUALODONTS FROM MARYLAND—KELLOGG. 61 
mm. 
Greatest breadth across premaxillae at narrowest portion of rostrum ........-.. 19 
Greatest breadth of right premaxilla in front of mesethmoid ................. 36 
Greatest breadth of right premaxilla at distal end as preserved...........---- 16.5 
Narrowest breadth of right premaxilla near middle of rostrum .............-. 10+ 
Breadtavol rostrum iat) maxillary noteH shew oe cl kee Sets a2 aA 134 
Breadth of rostrum at narrowest point....-...-- Sepa eh me aR 5) 
Breadth across rostrum at swelling in front of maxillary notch - 4009 nares ae! 125 
Length of right frontal plate of maxilla ae notch to supraoccipital) ... 166 
Greatest breadth of right frontal plate of maxilla... soitte £75 A SOBOMAO ts 
Least distance across vertex of skull between inner margins ofgarillae SAA eed 55 
Greatest length of left supraorbital process of frontal . ee eam (1) 
Greatest thickness of preorbital portion of right supraorbital paces Jehelect jae 28 
Least breadth of cranium between temporal fossae . Sys see5 $e $252 S555 5 32 OTE 
Distance from vertex to upper margin of foramen magnum Malta slater Sata eee, # ee 123 
Heichtiot foramen marnum! (crushed Pe See ee ee SE 
Greatest preadth across:occi pital condyles: 2. =< ..1. 24 ls sa. ue be og se cesciee st 99 
Greatest diameter of right condyle..........- Reed oan. noha stuees ais: LOO 
Distance across skull between outer mergins of exoceipitals. erence aie heey aoe 
Greatest diameter of zygomatic process of right squamosal .............-.---- 106 
Greatest diameter of zygomatic process of left squamosal ..........-...------ 108 
Distance between tip of right zygomatic process and postorbital portion of 
supraorbital process.......- hazere . 42 
Distance between tip of left Zz yeomatic oh eae and ostoneaal portion of supra- 
orbital process........ - 64 
Distance between aaicrio® cerain raf po phiysis ist apmorbital proces of frontal 
and posterior margin of right condyle ........-. Sisode eee ta . 281 
Distance between anterior margin of eoanlyais of supraorbital aoe ioe frontal 
and posterior margin of left condyle........ BAT SNe Sen . 292 
Greatest breadth of basioccipital across to of ee fee Hea ae Digs i als 
Distance between anterior margin of foramen magnum and anterior margin of 
basisphenoid . . EE RIEN | NER RRR ort MM ec ane eae me PO 
Greatest superior breadth of eeecial ARIE SOR IEE S LIS Oe Oe 28 It AP AR Gi FU 150 
Tormliensih of vomenmasietesenvedy essa .5 shen sea. elle ee ees OE 417 
otal lensth of, vomer}estamated 22. .- sco... ec. -/-:2 0 Ce Fare OR eA 440 
Smearesimenetiner ricittmaisae ayes me Meer iy whe neo oaa ad Sb baiemiaclses ak 
Greatest breadth of right nasal... En Se n5) 
Greatest length of exposed portion of Heht frontal o on 2 vertex of htt ly eee alot 31 
Greatest breadth of exposed portion of right frontal on vertex of skull ........ Sil 
MEASUREMENTS FOR THE MANDIBLE, 
Length oftmandible as preserved .....>,..---..-e bewatuee 1anaia-letaw. be steels 2 B04 
Depth of mandible at coronoid . MA MOT NTI Te SSD 
Least depth of mandible at alveolus for third lower premolar. seule chee ences 1 
Least breadth of tooth-bearing portion of the mandible...........-....-----. 19.5 
Greatest breadth of tooth-bearing portion of the mandible. .................. 27 
Depth oigmandible at level of lastimolar's|. +2 12 Moree Belton Baek SO 3 
MEASUREMENTS FOR THE PERIOTIC. 
Greatest length of periotic (tip of anterior to tip posterior process) ........--. 41.5 
Greatest depth of labyrinthic region of periotic. ..........-..--------+------- 15.5 
Greatest breadth of labyrinthic region of periotic.......-...-.-.-.---------- 21.3 
60466—23—Proc.N.M.vol.62 40 
