STKUGTUKE OF IRE, HAIKS OF MYLODON LISTAI. 409 



be regretted that he did not mention the species he had in 

 mind. The existence of a sloth with such hair would^ of 

 course, be of the greatest interest in the present connection, 

 and so I examined the hair of every species of sloth avail- 

 able at the Natural Histoiy Museum. The results, however, 

 do not enable me to confirm the editor's remark. 



List of Works eeferked to. 



1. Ameghiko, F. — '* An Existing Ground-Sloth in Patagonia," 'Natural 



Science,' xiii, London, 1898, pp. 324 — 326. 



2. Eble, B. — ' Die Lehre von den Haaren,' Wieu, 1831. 



3. Erdl, M. — " Vergl. Darsteliung des inneren Baues der Haare," ' Abhandl. 



Akad. Wiss., Miinclien,' iii, 1840—1843, pp. 413—453, three plates. 



4. Jacob, C. — " Examen microscopico de la pieza cutanea del mamit'ero niis- 



terioso de la Patagonia, Grjpolheriuni doniesticum," ' Revista 

 del Museo de la Plata,' 1899, x, pp. 61, 62. 



5. Leche, W. — Bronu's 'Klassen uud Ordnuugen des Thierreiclis,' " Sauge- 



thiere," Bd. vi, Abtli. v, Lief. 45 u. 46, Leipzig, 1897- 



6. Leydig, F. — " Uber die ausseren Bedeckungen der Saugethiere," ' Arch. 



f. Anat. u. Phys.,' Leipzig, 1859, pp. 677 — 747, two plates. 



7. LoNNBEKG, E. — "On some Remains of Neomylodon Listai," 'Wiss. 



Ergebnisse der schwedischen Exped. Magellausland.,' Bd. ii, "Zoo!.," 

 Stockholm, 1899, pp. 149—170, three plates. 



8. Mauker, F. — ' Uie^Epidermis uud ihre Abkonunlinge,' Leipzig, 1895. 



9. Meijeke, J. C. H. DE. — " liber die Haare der Saugethiere, besonders 



iiber ihre Anorduuug," 'Morph. Jahrb.,' xxi, Leipzig, 1894, pp. 312 — 

 424. 



10. NoRDENSKJOLD. — " Jakttagelser ocli Fyudi Grottor vid Ultima Esperauza 



i sydvestra Patagouien," ' K. Vetensk.-Akad. Handl.,' vol. xxxiii, No. 

 3, 1900. 



11. Oaven, R.— ' The Voyage of H.M.S. Beagle,' Part 1, " Fossil Mammalia," 



London, 1840. 



12. Owen, R. — ' Description of the Skeleton uf an Extinct Gigantic Sloth, 



Mylodou robustus,' London. 1842. 



13. Reinhakdt, J. — "Beskrivelse af Hovedskallen af et Kaempedoveudyr, 



Grypotheriuiii Darwinii," 'Vidensk. Selsk. Skr., 5 Raekke. na- 

 turvid. eg math. Afd.,' xii, 4, Copenhagen, 1879, pp. 353—380, two 

 plates. 

 VOL. 44, PART 3. — NEW SERIES. D D 



