SHUFELDT : OSTEOLOGY OF THE STEGANOPODES 



183 



MEASUREMENTS (IN MILLIMETERS) OF CORRESPONDING BONES OF PHALACROCORAX 

 PERSPICILLATUS, CARBO, URILE, AND DILOPHUS. [FROM LlJCAS.] 



(All measurements are in a direct line and not along curves.) 



P. perspi- 



cillalus 

 ( National 



.Museum, 

 17041). 



P. earbo P. urile i P. dilophus 



(Yale College (National (National 



Mnsenm, Museum, Museum, 



535). 12502). 18050). 



Rostrum : 



Tip of mandible to extremity of maxillo-jugal bar 134 140 



Maxillo-jugal bar j 68 69 



Tip of mandible to posterior end of palatine 109 117 



Width across nasals, at fronto-nasal hinge j 21 . 20 



Lower mandible : 



Length of ramus 139 144 



Greatest height of ramus j 13 13 



Sternum : 



Anterior end of carina to mesoxiphoid 104 119 



Manubrium to mesoxiphoid 83 97 



Depth of carina 28 33 



Width across articulations of first rib 64 66 



Width across articulations of fourth rib 63 59 



Coracoid : 



Length 84 87 



Breadth of sternal articulation 25 25 



Greatest distal breadth 18 17 



Humerus : 



Length 170 170 



Greatest proximal breadth 30 28 



Greatest diameter of shaft midway between extremi- 

 ties 11 9 



Greatest distal breadth... 21 20 

 Ulna : 



Length 190 178 



Greatest proximal breadth j 21 18 



Greatest diameter of shaft midway between extremi- 1 



ties 8 7 



Pelvis : 



Greatest length of ilium I 151 152 



From anterior border of ilium to external angle of I 



anti-trochanter I 72 65 



Greatest width of ilia in advance of acetabula | 48 44 



Least width of ilia in advance of acetabula 23 23 + 



Width between outer extremities of anti-trochanters. 43 46 



Length of ilio-ischiatic space ' 42 41 



Greatest width of ilio-ischiatic space 18 13 



From dorsal edge of ilium, above the ilio-ischiatic 



foramen, to ventral edge of iscbium 28 23 



Length of ilio-pubic articulation 21 28 



Between posterior terminations of ischia I 46 40 



Femur : 



Length 74 70 



Greatest proximal width 21 19 



Greatest diameter midway between extremities 11 10 



Greatest distal width 22 18 



Tibia : 



Length 140 127 



Width across cnemial ridges 15 13 



Width at distal end of articulation with fibula 15 13 



Least transverse diameter of shaft 8 8 



Distal width 16 15 



"Tarsus" : 



Length 71 72 



Proximal transverse width .- 19 16 



Distal width 20 18 



108 

 56 

 91 

 13 



112 



97 

 84 

 31 

 64 

 60 



71 

 24 

 16 



140 



25 



10 

 18 



122 



58 

 42 

 19 

 37 

 32 

 13 



23 

 15 + 

 42 



66 



16 



9 



16 



117 

 11 

 11 



7 

 12 



60 

 14 

 15 



105 

 56 

 86 

 14 



110 

 12 



91 

 76 

 26 

 54 

 51 



70 

 20 

 13 



140 



23 



8 

 17 



120 



49 

 38 

 18 

 33 

 38 

 10 



19 

 23 

 40 



55 

 15 

 8 

 15 + 



102 



11 



13 



7 



13 



62 

 14 

 14 



