342 INDEX. 



Copper, native, from Lake Superior, 195. 



Coral reefs of Florida, 262. 



Cormostomata, 53. 



Corona about the moon, December 3d, 1851, 302. 



CorophidjB, fam., 218. 



Corophium, gen., 219. 



quadriceps^ D., 219. 

 Correction, 164. 

 Corycseidse, fam., 35. 

 Corycseus, gen., 35. 



agilis, D., 37. 



concinnus, D., 39, 



crassiusculus, D., 36. 



decurtatus, D., 35. 



deplujnatus, D., 35. « 



gracilis, D., 35. 



laticeps, D., 37. 



latus, D., 38. 



lautus, D., 37. 



longicaudatus, D., 39. 



longistylis, D., 36. 



ohtusus, D., 36. 



orientatis, D., 37. 



pellucidus, D., 38. 



productus, D., 39. 



remiger, D., 38. 



speciosus, D., 38. 



varius, D., 36. 



venustus, D., 38. 



vitreus, D., 37. 

 Crustacea of United States Exploring Expedition, 9, 201. 

 Ctenophorse of Boston Bay, 149. 

 Currents of the ocean, 100. 

 Cycle, Egyptian, 164, 225. 

 Cyclopsina, gen,, Milne Edwards, 10, 24. 

 calanina, D., 25. 

 gracilis, D., 25. 

 longicornis, D., 24. 

 tenuicornis, D., 25. 



