340 Annals of the Carnegie Museum. 



II terminals. 



7 femora (three rights, four lefts). 

 10 tibio-tarsi (five rights, five lefts). 



2 tibio-tarsi of another species (one right, one left). 



8 fibulcT. 



10 tarso-metatarsi (six rights, four lefts). 



I tarso-metatarsus of another species. 

 42 pedal phalanges (not assorted). 



This preliminary going over of the material gave me quite an in- 

 sight as to its nature, value, and not a few of the characters of the 

 various bones; vi'hen, shortly after it had been arranged for study, 

 I received as a loan, through the kindness of Doctor Richmond, the 

 following skeletons and parts of skeletons from the collections of the 

 U. S. National Museum: 



List of Material for Comparison. 

 (Existing species.) 



1. Daption capense. No. 18210. Skull and other bones. 



2. Oceanodroma leiicorhoa. Nos. 18077, 18078. Skeletons. 



3. JEstrelata lessoni. No. 14494. Skull. 



4. Cookalaria cookii. No. 18285. Skeleton. 



5. Pelecanoides tirinatrix. No. 18771. Skeleton. 



6. Puffinns major. No. 18076. Skeleton. 



7. Puffinns gavia. No. 18286. Skeleton. 



8. Puffinns gavia. No. 19385. Skeleton, trunk. 



9. Puffinns hor calls. No. 17769. Skeleton. 



10. Puffinns grlscus. No. 19386. Skeleton, trunk. 



11. Fnlmarus glaclalls. No. 15731.^ 



12. Fuhnarus glacialis. No. 15732. ^Imperfect skeletons. 



13. Fnlmarus glacialis. No. 15728. J 



14. Fidmarus glacialis. No. 16781. Skeleton. 



15. Puffinns ohscurns. No. 17724. Imperfect skeleton. 



16. Puffinns cr cat opus. No. 18773. Skeleton. 



17. Puffinns hor calls. No. 177(^7. Skeleton. 



18. Puffinns major. 17799. Skeleton. 



To these were added several skeletons of Colymbus aurihis, C. 

 cristatus, and Podilymbus podiceps. 



