INDEX. 343 



Cypridacea, 49. 



Cypridina, gen., M. Edwards, 50. 

 formosa, D., 51. 

 gibhosa, D., 51. 

 luteola, D., 50. 

 olivacea, D., 51. 

 punctata, D., 51. 

 Cypris, gen., Miiller, 49. 

 albida, D., 49. 

 Chilensis, D., 50. 

 pubescens, D., 50. * 

 speciosa, D., 49, 

 Vitiensis, D., 50. 



D. 



Dam at Hadley, 180, 181. 



Dams, theory of vibrations of, 224. 



Dana, J. D. Crustacea of United States Exploring Expedition, 9, 201. 



Daphnia, gen., 47. 



australiensis, D., 48. 

 macrura, D.,48. 

 iextilis, D., 47. 

 Daphniacea, 47. 

 Daphnidae, fam., 47. 



Davis, C. H. On the geological action of the tidal and other cur- 

 rents of the Ocean, 100. Deterioration of Boston Harbor, 261, 288. 

 Desor, Edward. On the origin of contorted strata of sand in dilu- 

 vial deposits, 282. 

 Dichelestidae, fam., 54. 

 Dinematura, gen., Latreille, 60. 



braccata, D., 60. 

 Dinotherium giganteum, 305. 

 Discophorae of Boston Bay, 149. 



E. 



Echinoderms, homologies of, 264. 



Eclipse of the sun, September 17th, 1811, 325. 



