INDEX TO VOL. X. 



Acadian fauna, 342. 

 Achirus liueatus, 181. 

 Actinia passiformis, 338. 

 Actinucrinus eroclus, 33. 



lougirostris, 33. 



pentagonus, 33. 



umbrosus, 3. . 



Verneuili, 33. 



^E chna constricta, 212. 

 eremlta, 213. 



pvopinqua, 214. 



virens, 190. 



Agaricocrinus pentagonus, 34. 



AaASSiz, A. On the habits of Spinalis 

 Flemingii, 14; on the habits of tiic 

 lower marine Animals, 32; on the de- 

 velopment of Comatula, 40; on the 

 development of the Porcellanida;, 222; 

 on the development of Limulus, 240. 



Agrion (Ischnura) ccBcum, 189. 



Maria, 188. 



Alauda alpestris, 267. 



Albertite. mineral resembling, from Col- 

 orado, 305. 



Alca torda, 269. 



Alcedo alcyon, 255. 



Alcohol, substitute for, 257. 



Alcyonium carneum, 343. 



rubiforme, 355. 



Alger, Francis. Notice of the death 

 of, 2 ; writings of, 5. 



Alopias vulpes, 75. 



Alosa menhaden, 67. 



Alsinidendron tinerve, 312. 



Amendments to the By-Laws, 185. 



Ammodytes dubius, 273. 



Amphiura squamata, 344. 



Anaperus cigaro, 357. 



unisemita, 357. 



Anas acuta, 268. 



Brownii, 268. 



glacialis, 268. 



histrionica. 268. 



islandica, 268. 



nigra, 268. 



perspicillata, 268. 



Anastase, 83, 93. 



^ndesine, 320. 



Androscoggin River, Fisheries of, 65. 



Anser canadensis, 268. 



hyperboreus, 268. 



leucopsis, 268. 



toniruitus, 268. 



Antedon (Alccto) dentata, 339. 



Eschrichtii, 343. 



Anthus ludovicianus. 267. 



Apple, arrest of growth in, 42; aborlivo 

 llowers of, 63. 



Aquila albicilla, 2u7. 



Arachnactis brachiolata, 343. 



Aramus giganteus, 257. 



Arctic Case tor plants, 9. 



Ardea cicrulea. 257. 



egretta, 257. 



oxilis, 257. 



Arkansas Fly-catcher from Maine, 96. 



Arterial system, human, 235. 



Arvicola iuul-onicus, 266. 



Asterias arenicola. 339. 



C()nii)ta. 340. ' 



Forhc.-ii. 345. 



irr.LMilandica, 357. 



littdralis. ;349. 



])olaris, 356. 



Sfiinj.'soni. 349. 



teuera, 349. 



vulgaris, 347. 



Asteracanthioii berylinus, 3-15. 



Astraiigia a-truiiformis, 324. 



(■onchiu'i, 331. 



cantata. 332. 



Danaj. 324, a35. 



ili'iitata, 332. 



Edwardsii, 324. 



granulata, 324. 



Ha'mei, 330. 



3Iiclielini, 324. 



neglecta, 324. 



pa/clie'/a, ;331. 



solitaria. 324. 



Astropecteu vestita, :339. 



Astrophyton Aga-.-izii, 344. 



'- euciH'inis, 357. 



Atwooi), X. E. On the habits a'nd geo- 

 graphical distribution of tiie J.,(:l)-tt'r, 

 11; on the habits of the Miickcrel ai!<l 

 Menhadt-n. 65: on "Bull-dog" C,!. 

 68; on an lUKh'scribcd s])ccif- of ( ar- 

 charias and on liabits of D.igiish, HI ; 

 on the habit< of the Cod, 103: on tl..' 

 habits of the Halibut, 182; on tin- 

 liabits and distribution of the Had- 

 dock, .322. 



Auditing Committee, appointment of, 

 35, 364. 



Bacterium, power of in resisting heat, 



98 

 Bala-na mysticetus. 2Go, 271. 



physalus, "i-JG. 



Bal;i'noi)te'ra. 271. 

 I'.e.iver, haLi.. c f, 40, 41. 



