606 



INDEX. 



New Haven, Mean Temperature and Fluct- 

 uations of Temperature at, 194. 



Newport, R. I., Auroras observed at, 155. 



Newton, H. A., and Ellas Loomis, on the 

 Mean Temperature, and on the Fluctua- 

 tions of Temperature at New Haven, 

 Conn., 194. 



New Zealand, new starflshes from, 247. 



Nicarau'ua, Polvps collected on tlie coast 

 of, by J. A. lilcNiel, 565. 



Nidoreilia, 280, .348. 



armata, 280, 284 312, 328, 329, 330, 

 332, 333, 343, 372. 574, 594. 



Notes on the Echinoderms of Panama and 

 the west coast of America, 251. 



on the Radiata in the Museum of Yale 

 College, 247. 



Notice of a collection of Echinoderms from 

 La Laz L. C, 371. 



of t,he Corals and Echinoderms col- 

 lected by Prof C F. Hartt, at the 

 AbroUios Reefs, Bnizil, 351. 



Introductory, to Herriek's Auroral 

 Register, 7. 



Notices of Auroras extracted from the 

 Meteorological Journal of Rev. Ezra 

 Stiles, 155': 



of Auroras extracted from various 

 Joui-nals kept at New Haven, Conn., 164. 

 of Auroras extracted from a Meteor- 

 ological Journal kept at Sharon, Conn., 

 167. 



Observations, additional, on Echinoderms, 



568. 

 Oculina, 365, 507, 512, 513, 518. 

 Oculinacea, 512, 536. 

 Oculinidffi, 514, 512, 519. 

 Ophiacantha Pentacrinus, 341. 

 Ophiactis, 264. 348. 



arenosa, 266, 330, 341. 



asperula, 335. 



Kroyeri, 264, 334, 366, 341. 



Miilleri, 341. 



Orstedii. 266, 264, 330, 341. 



simplex, 266, 264, 330, 341. 



virescens, 265. 327, 330, 372, 341, 594. 

 Ophiarachna, 348. 349. 



maculata, 574. 

 Ophiarthrum, 349. 

 Ophidiaster, 287, 285, 348, 577. 



iiaccidus, 344. 



ophidianus, 285. 



ornithopus, 367. 



porosissimus, 287. 



pvramidatus, 287, 328, 330, 332, 333. 

 344!! 577, 594. 



suturalis, 285. 



unifascialis, 285. 

 Ophidiasteridse, 344. 

 Ophioblenna, 348. 



Antillen.sis, 342. 

 Ophioceramis Januarii, 343. 



Ophiocnida, 260. 



hit^pida, 260, 330, 342. 



scabriuscula, 342. 

 Ophiocoma, 25s, 348. 



a-ilnops, 258, 327, 329, 330, 341, 594. 



Alexandri, 259, 327, 329, 330, 341, 594. 



echinati, 258, 341. 



pnmila. 341. 



Riisei, 257, 341. 

 Ophiocomidse, 341. 

 Ophioderma Antillarum, 364. 



cinereum, 367. 



Panamensis, 253. 



variegata, 254. 

 Ophioglypha Liitkenii, 325. 



S'arsii, 593. 



species, 593, 594. 

 Opliiolepidas, 342. 

 Ophiolepis, 256, 348. 



annulata, 259. 



At<camensi>', 335. 



elegans, 367, 342. 



geminata, 261. 



hispida, 260. 



Pacifica, 257. 



paucispina, 342. 



simplex, 266. 



triloba, 259. 



variegata, 256, 330, 342, 593, 594. 

 Ophioraastrix, 349. 

 Ophiomyxa, 330, 341, 348. 



fiaccida, 366, 341. 

 Ophiomyxidaj, 341. 

 Ophiouema intricata, 341. 

 Opiiionephthys iimicola, 341. 

 Ophionereis, 259, 348. 



annulata, 259, 328, 330, 342, 594. 



reticulata, 366, 342. 



porrecta, 342. 



triloba. 259. 



Xantusii, 270, 328, 342, 594. 

 Ophiopeza, 348, 349. 

 Ophiopholis Caryi, 326. 



Kennerleji, 325. 

 Ophiophragmus, 270, 348. 



marginatus, 270, 330, 342. 



septus, 342. 



Wurdemanni, 342. 

 Ophioplocus, 349. 

 Ophiopsila Riisei, 341. 

 Ophiostigraa, 270, 348. 



isacanthum, 342. 



tenue, 270, 330. 

 Ophiothela, 269, 348. 



Dana?, 572. 



niirabihs, 268, 330, 342, 376, 572, 594. 

 j Ophiotin-ix, 278, 348. 



Caribsea, 342. 



dumosa, 270, 320, 328, 329, 342, 594. 



lineata, 342. 



magnifica, 334. 



mirabilis. 268. 



orstedii, 342. 



