STENO KOSTKA'l'l S. 



29 



aud riuliiucntaiy transverse process of the axis were visible bebiud 

 tbose of the atlas. The third cervical had on each side a iierpeiidicular 

 tiat triaugular process, pierced by a large forameu. In the following 

 three vertebn^ the bony ring snrronnding the foramen was incomplete. 

 In the seventh cervical there was a tolerably long diapophysis, bnt no 

 parapopysis. Thirteen pairs of ribs were present, the first of which 

 was mnch the largest. Tbe first six were attached to the vertebrte by 

 both neck and head. 



The first nenral spine of the dorsal region was on the second dorsal 

 vertebra, and, with the next following, was directed mnch backward. 

 The last ten candal vertebr;e, which were located in the fiukes, were 

 withont nenral arches. Twenty-three chevron bones were present, the 

 three posterior ones being rudimentary. 



The longest transverse process was on the second lumbar vertebra. 

 The last trace of a transverse process was found on the fourteenth cau- 

 dal vertebra. The first perforations of the transverse processes for the 

 passage of the caudal artery were in the sixth and seventh caudal ver- 



tebrte 



Five metacarpal bones were present. The formula of the phalanges 

 was as follows: 1,4; 11, 8; 111,0; IV, 3; V, 3. 



Dr. Llttken gives, in addition, the following measurements of eight 

 sliulls in the Copenhagen Museum. Two of these, Nos. 2 and 5, he re- 

 gards as possibly belonging to a separate but closely allied species. 



Measurmcnia of cujlit s]:uUs of Stow rostralus. (From Lutkcn.) 



One of the two skulls (Nos. 2 and 5) regarded as belonging to a 

 separate species is from the Pacific Ocean. It was obtained by Pro- 

 fessor Keinhardt at Honolulu, while on the GaJathea expedition. 



