INDEX. 



407 



Gibbs, J. W. graphical methods in the 

 thermodynamics of fluids, .'509. 



a metliod of geometrical representa- 

 tion of the thermodjTiamic properties of 

 substances by means of surfaces, 382. 

 Gigartina mamillosa, H46. 

 Glj'ptograpsus, 15.'?. 



impressus, 154, 156. 

 Glyptoplax, 164. 



pugnax, 165. 

 Goniograpsus cruentatus, 11. 



innotatus, 37. 



simplex, 37. 



varius, 37. 

 Goniopsis cruentatus, 11, 37. 



ruricola, 11. 

 Gonodaetylus chiragra, 31, 41. 

 Gonoplacidae, 35, 160. 

 Gonoplax maraeoani, 123. 

 Graphical methods in the thermodynam- 

 ics of fluids, by J. W. Gibbs, 309. 

 Grapsidse, 37, 153. 

 Grapsus cinereus, 157. 



cruentatus, 11. 



longipes, 11. 



Halosaccion ramentaceum, 347. 

 Harrison, B. F., M.D., and P. E. Loomis, 

 Ph.D., on wind, rain and snow, at Wal- 

 lingford, Conn., 209. 

 Hartt, Prof. C. F., notice of the Crustacea 

 collected by, on the coast of Brazil, in 

 1867, by Sidney I. Smith, 1. 

 Harvella, sp., 201. 

 Helice granulata, 37. 

 Hemicardia affinis, 204. 



obovahs, 204. 

 Hepatidas, 38. 

 Hepatus angustatus, 38. 



fasciatus, 38. 

 Heterograpsus, 154. 

 Hildenbrandtia, sp., 346. 

 Hippa emerita, 38. 

 Hippidaj, 38. 

 Hippolyte exilirostratus, 40. 



obliquimanus, 40. 

 Hormotrichum boreale, 349. 

 Carmichaelii, .'149. 

 speciosum, 349. 



Indian Onomatopoeia, on some alleged spe- 

 cimens of, by J. Hammond Trumbull, 

 177. 



Japan, geology of the Island of Yesso, by 

 W. P. Blake, 299. 



Lamellibranchiata, 200. 

 Laminaria dermatodea, 343. 



longicruris, 344. 



saccharina, 344. 



trilaminata, 344. 

 Leda acuminata, 205. 

 Leptograpsus rugulosus, 37. 



Libidoclea Brasiliensis, 32. 



Libinia spinosa, 32. 



Library, addition to the, i, v. 



List of the described species of Brazilian 



podophthalmia, 31. 

 Lithodomus aristatns, 169. 

 Lithothamnion polymorphum, 345. 

 Lobster, early stages of, by S. I. Smith, 



351. 

 Loomis, F. E., Ph.D., and B. F. Harrison, 



M.D., on wind, rain and snow at Wal- 



lingford, Conn., 209. 

 Loomis, F. E., Ph.D., direction and force 



of wind at New Haven, 269. 

 Lucifer acicularis, 41. 

 Luciferidje, 41. 

 Lucippa la?vis, 33. 

 Lupa diacantha, 7. 

 spinimana, 9. 

 Lysiosquilla inornata, 41. 



Macromysis gracilis, 41. 



Macroura, 18, 39. 



Mactra, sp., 201. 



Zorritensis, 201. 



Maiida;, 32. 



Maioidea, 32. 



Malea ringens, 196. 

 sp., 196. 



Margaritopliora flmljriata, ] 68. 



Marginella incrassata, 197. 



Menippe Rumphii, ;!4. 



Meteorology, direction and force of the 

 wind, with the fall of rain and snow at 

 Wallingford, Conn., by B. F. Harrison 

 and F. E. Loomis, 209." 



mean direction and force of the wind 

 at New Haven, by F. E. Loomis, 269. 



Method of geometrical representation of 

 the thermod_ynamic properties of sub- 

 stances by means of surfaces, by J. W. 

 Gibbs, 382. 



Milnia bicornuta, 1, 33. 



Minyocerus angustus, 38. 



Mithracidas, 32. 



Mithraculus coronatus, 1, 32. 

 sculptus, 2. 



Mitlu-ax hispidus, 2, 32. 



Mitra, sp., 197. 



Molluscan Fauna, of the later Tertiary of 

 Peru, by Edward T. Nelson, Ph.D., 186. 



Muscles of the cheloniau and human shoul- 

 der-girdles, by H. S. Williams, .'JOl. 



Mysidea, 41. 



Myurella, sp., 193. 

 tuberosa, 19:J. 



Nautilograpsus, sp., 37. 



Nelson, Edward T., Ph.D., on the Mollus- 

 can Fauna of the later Tertiary of Peru, 

 186. 



Neptunus cruentatus, 10. 

 marginatus, 8. 



