128 BULLETIN 3G, UNITED STATES NATIONAL MUSEUM. 



tlie cbevrou bones comuieuce, etc., which are show u in the following- 

 table : 



Characters. 



Total iiiiinber of vertebrsB 



Clievroua begin at vertebra number 



Chevrona eud at vertebra number 



Neural spines become obsolete at number . 

 Transverse jjrocesses bccomoobsolete at number 

 Perforations for caudal artery begin at number 

 Phalanges: 



First finger 



Second linger 



Third finger 



Fourth linger 



Fifth finger 



M. 



Fischer's 

 skeleton. 



No. — U. 



S.N.M. 



65 (?+3) 

 38 

 ?58 

 59 

 54 

 45 



1 

 9 



7 



No. — rr. 



S. N. M. 



67 (? + 2) 

 ':;9 

 61 

 60 

 54 

 46 



As regards the shape of the sternum, the number and shape of the 

 sternal ribs, the shape of the acromion and coracoid and of the hyoid 

 bones, our two skeletons agree exactly with that described by M. Fischer. 



The skulls are of all ages, the younger having the elements of the 

 occipital bone, and likewise all the other bones of the skull separate, 

 while in the older the sutures between the palatine and maxillary bones 

 and the maxilhe and iutermaxillte have disappeared. 



In live cases the mandible is present, and there are also in the col- 

 lection two additional complete jaws. In these the number of teeth 

 is iis follows : 4-1; 4-4; 4-4; 5-4; 5-4; 5-5; G-G; which goes to con- 

 iifm the truth of the remark of M. Fischer, viz : 



11 est difficile do ue pas admettre uue seiile espece, dout la deutition vaiie cutic 



The proportions of the adult skull described by Professor Flower 

 agree very closely with those of one of equal size in our Museum, as 

 is shown in the following table (Professor Flower's measurements being 

 Jor 'convenience reduced to centimeters) : 



Measurements. 



Entire length 



Length of rostrum 



Breadth ot occipital foramen 



dreatest lieight of occipital foramen 



Ihfadth ofoccipit.il condyles , 



Greatest bread h of craniiim (at parietal region in tempo 



ral fossa) 



Greatest breadth of skull (at zygomatic jtrocess of S(iiia 



mosals) 



Pireadth at aiiteorbital processes of frontal 



Breadth of anterior nai eal apertures 



Brradth of rostrum at base (bottom of anteorbital notch). 

 JJreadth of rostrum at middle 



Professor 

 Flower's spe- 

 cimen $ . 



Cm. 



48.8 

 23.6 

 3.8 

 4.8 

 11.4 



23.1 



32.8 

 30.0 

 7. 1 

 19. G 

 11.2 



No. 21047. 



Capo Cod, 



Mass. 



Cm. 



48.7 



24.6 



4.7 



5.1 



11.8 



24.0 



34.2 

 31.0 

 7.0 

 20.4 

 11.4 



To sum up the facts presented, it may be said that our specimens 

 agree exactly with the European ones in size, and closely in color (in a 



* Fisclicr, 1. c, p. 209. 



