APPENDIX c. 297 



1863. 371. On the enigmatic fossil of Solenhofen. Proc. Boston 

 Soc. Nat. Hist., Vol. IX., p. 191. Boston, January, 1863. 



1863. 372. Geographical distribution of Echini. Proc. Boston 

 Soc. Nat. Hist., Vol. IX., pp. 191-192. Boston, January, 1863. 



1863. 373. On the natural attitude of the Megatherium. Proc. 

 Boston Soc. Nat. Hist., Vol. IX., p. 193. Boston, January, 1863. 



1863. 374. On the young of fishes. Proc. Boston Soc. Nat. 

 Hist., Vol. IX., p. 326. Boston, October, 1863. 



1864. 375. Fifth Annual Report of the Director of the Museum 

 of Comparative Zoology. In Annual Report of tJie Trustees of the 

 Museum, etc., 1863, pp. 6-iS. Svo. Boston, 1864. 



1865. 376. Sixth Annual Report of the Director of the Museum 

 of Comparative Zoology, at Harvard College, in Cambridge, Massa- 

 chusetts. In Annual Report of tJie Trustees of the Museum, etc., 

 1864, pp. 7-17. Svo. Boston, 1865. 



1865. 377. Metamorphoses subies par certains Poissons avant 

 de prendre la forme propre a Tadulte. Comptes Rendus Acad. sc. 

 France, Vol. LX., pp. 152-153. Paris, 1865. Ann. sc. nat. Zoologie, 

 5 e se'rie, Vol. III., pp. 55-58. Paris, 1865. Ann. Mag. Nat. Hist., 

 3d series, Vol. XVI., pp. 69-70. London, 1865. 



1865-1866. 378. Lettres relatives a la faurie Ichthyologique de 

 TAmazone. Ann. sc. nat. Zoologie, 5" serie, Vol. IV., pp. 382-383, 

 Paris, 1865 ; Vol. V., pp. 226-228, 309-311, Paris, 1866. 



1866. 379. Geological sketches. First series, I2mo, Boston, 

 1866. Reprinted in 1870. 



Nota bene. Appeared first in serial form in the Atlantic 

 Monthly, Vol. XL, 1863, pp. 373-382, 460-471, 615-625, 742-756; 

 and Vol. XII., pp. 72-81, 212-224, 333-342, 568-576, 751-767; and 

 Vol. XIII. , 1864, pp. 56-65; under the following titles: America 

 the Old World. The Silurian beach. The fern forests of the 

 Carboniferous period. Mountains and their origin. The growth 

 of continents. The geological middle age. The Tertiary age and 

 its characteristic animals. The formation of glaciers. Internal struc- 

 ture and progression of glaciers. External appearance of glaciers. 



