94 



BULLETIN 36, UNITED STATES NATIONAL MUSEUM. 



uuuiber of vertebra", however, and the comparative shortness of the 

 transverse processes, are more characteristic of Frodelpldnus. 



In addition to the type at Leydeu, 1 observed at Lonvain a sknll 

 and a beak which appeared to belong to this species. These I did not 

 have an oi)portunity to examine closely. While resembling P. ohscurus, 

 however, in general aj)pearance, they differ in having tlat jiremaxillie. 

 In the complete skull the pterygoids appear to be separate, a character 

 the importance of which is strongly insisted upon by Professor Flower. 

 The beak was i)urchased from a dealer, and possibly came from Africa. 



Tahle of measurements. 

 LAGENOEHYNCHUS SUPERCILIGSUS. 



V. Horstok. 



LAGENOEHYNCHUS ALBIROSTRIS Gray. 

 La<jenorhjnclim aUnrostris, Gray, Aiiu. & Mag. Nat. Hist., xvii, 184G, p. b4. 



There is, fortunately, no obscurity surrounding tliis species. Gray 

 correctly characterized Brightwell's specimen as the type of a new 

 species of the genus Lnfjenorhyiwhus, and since that time its distinct- 

 ness has not been questioned. 



The most closely allied species is L. acutus, from which it is dis- 



