314 



where they are found ; with a long 

 tail, found in the lithograpliic stone 

 at Solcnhofen, Bavaria. Jules Mareou 

 on ; undecided if it was bird or rep- 

 tile, '^SS. 

 Fossil fiiunse distinct contemporaneous, 

 58. 



Galena Argentiferous, from Pike's 

 Peak, 1(59 ; antimonial with silver, 

 from Sonora, 109. 



Gannet rock, Description of, 65 ; birds 

 breeding on, GG. 



Gasteropoda, 301. 



Game killed by Dr. Hayes' Arctic Ex- 

 pedition, 288. 



Geological map of the world. Bone's, 

 exhibited by Jules Mareou ; map in 

 course of preparation by J. Mareou, 

 on a larjjer scale, 177. 



Geological specimens from Dr. Hayes' 

 Arctic Expedition, 288. 



Geology of Anticosti Island, in the 

 Gulf of St. Lawrence, N. S. Shaler 

 on, 285. 



Georgia slates, 244, 251. 



Gibbula fucatd, Gould, 20. 



fnlgens, Gould, 21. 



gmidiosa, Gould, 21. 



'lepida, Gould, 21. 



locnlosa, Gould, 21. 



musiva, Gould, 21. 



redimita, Gould, 20. 



Glyptosterni, 53. 



Glyptosternum, Synonymy of, 53. 



Gobiesox, habits of. GO. 



Goniatites opimus, White & Whitfield, 

 305. 



Goose, bones of a supernumerary leg 

 from a, 25G. 



Gorilla, bones of, from Western Equa- 

 torial Africa, Prof. J. Wyman on, 217. 



Gouldia dUecta, Gould, 32. 



fastif/iata, Gould, 282. 



Green, Dr. S. A., resignation of office 

 of curator of Hcrpetology, 175. 



Gulf of St. Lawrence, birds that breed 

 in, 65. 



Harpiphoras, 156. 



Hawk, Intelligence in, 25S. 



Helicoceras Navarroensis, Shumard, 

 190. 



Helix Leaii, 256. 



Heptapterina;, 54. 



Heptapterus, Synonymy of, 55. 



Holconoti, Notes on described species 

 of, found on the west coast of Cali- 

 fornia, by A. E. K. Agassiz, 122. 



Holconotus, Synonymy of, 131 ; ovarian 

 slieath of, 133 ; young of not in ovi- 

 duct but ovarian sheath, 1.33. 



Holconotus pulcliellus. Synonymy of. 

 132. 



rhodoterus, Synonymy of, 



131 



Homologies of Echinoderms, 2.35 ; of 

 Kadiata, 226. 



Hopladelus (Kaf.) Gill, Synonymy of,51. 



Horse mackerel. Eyes of, 2tt5. 



Hudson Itiver group, 249. 



Hydrate of iron containing gold, 160. 

 Hyperprosopon, Synonymy of, 132. 

 Hyperprosopon arcuatum, Synonymy 

 of, 133. 



argenteum, Synonymy 



of, 132. 

 Hystcrocarpus, Synonymy of, 129. 

 Hysterocarpus Traskii, Synonymy of, 

 130. 



ICHTiiiN, Specimen of, from the Qg^ of 



a ray found at San Francisco, Dr. B. J. 



Jeffries on, 100. 

 Ictalurus (Raf.) Gill, List of species of, 



43 ; synonymy of, 49. 

 Ictalurus Slmpsoim, Gill, 43. 

 Identity, Supposed, of Paradoxides 



Harlani and P. spinosus, 1. 

 Increase of Unios, rate of, 100. 

 India, Chemical analysis of a meteoric 



stone from Dhurmsalla, 233. 

 Intelligence in a hawk, 258. 

 Iron, hydrate of, containing gold, from 



Sierra Nevada, 169. 



Julia, Gould, 283. 



exquisita, Gould, 284. 



Kellia hnlaustina, Gould, 34. 



bulla, Gould, .34. 



compacta, Gould, .34. 



conve.ra, Gould, 34. 



crennlata, Gould, 33. 



undulata, Gould, .34. 



Kentucky, caves of. Description of four 



species of Kaphidophora from, and 

 the Pacific coast, 6. 

 Koninck library. Catalogue of, 185. 



Lake Superior, Massive datholite from, 



262 ; Domeykite from, 258. 

 Larus argentatus. Breeding habits of, 72. 



marinus, 72. 



Lateral symmetry in Braehiopoda, 274. 

 Leda Barrisi, White and Whitfield, 298. 



cuspidata, Gould, 37. 



itnca, Gould, 282, 



Lepton concentricnm, Gould, .33. 



firmatum, Gould, .33. 



lucidnm, Gould, 33. 



Lestris arcticus, 72. 



Letters from 

 Academia de Ciencias, Madrid, 206. 

 Academia delle Scienze di Bologna, 



206. 

 Academic des Sciences de Lyon, 99. 



de Paris, 205. 



Imperiale des Sciences de 



Kussie, 99. 



Royalc des Sciences do 



Stockholm, 206. 

 Akademie K. Bayerische, 206. 



K. Preussische, 206. 



K. K. dcr Wissenschaften, 



Wicn, 90, 205, 206. 



Anderson, Capt. J., 104, 205. 



Association, Dublin University, Zoo- 

 logical and Botanical, 20(5. 



Bibliothek, llof-und Staats, in MUn- 

 chen, 206. 



