604 



Leptogorgia media. 389, 391, 550, 560, 564, 

 565. 



Peruana, 405, 566. 



platyclados, 406, 566. 



pulehra, 549, 561, 564. 



pumila, 396, 561. 



ramulus. 394, 397, 399, 552, 561, 565. 



rigida, 401, 404, 552, 561, 564, 565. 



rutilM, 392, 561, 565. 



sanguinea. 406. 



stenobrochis. 393, 403, 561, 565. 



tenuis, 551, 561, 564. 



viminalis, 387. 



virgularia, 406. 

 Leptosynapta, 325. 



hydriformis, 346. 



Pourtalesii, 346. 



tenuis, 325. 



verrucosa, 325. 

 Linckia, 285, 348. 577. 



bifaseialis, 287, 328. 372, 594. 



Columbi;i?, 332, 344. 



Guildingii, 344. 367. 



ornithopus, 344, 367. 



unifascialis, 285, 312, 328, 329, 330, 

 332. 333, 344, 372, 594. 

 Liosoma arenicola, 327. 



Sitcluensis. 325. 

 Lissothuria, 322. 



ornata, 322. 331, 346. 

 List of Echinoderms from 



Sitcha, 324. 



Puget Sound and along the coast to 

 Cape Mendocino, Cal., 325 



between Cape Mendocino and San Di- 

 ego, Cal, 326. 



Margarita Bay and Cape St. Lucas. 327. 



Acapulco, Mazatlaii, and the (rulf of 

 Cahfornia, 328. 



tlie west coast of Central America 

 and the Bay of Panama. 329. 



the west const of Ecuador and the 

 southern part of New Grenada, 332. 



Zorritos, Peru, 3:-)3. 



the Galapago Islands, 333. 



the coast of Peru, at Paita and south- 

 ward, 334. 



the coast of Chili. 335. 



the southei'n extremit}^ of South Amer- 

 ica and the neighboring Islands, 336. 

 List of Pol.yps of 



Arctic Province, 559. 



Californian Province, 560. 



Chilian Province, 556. 



Sitcliian Province. 559. 



Oregonian Province, 559. 



Panamian Province, 560. 



Peruvian Province, 566. 

 List of Polyps collected at 



Corinto and Gulf of Nicova bv J. A. 

 McNiel. 565. 



Guaymas by Dr. E. Palmer, 564, 



La Paz by Capt. J. Pedersen, 564. 



Lithodendron, 507. 

 Litigorgia, 387, 385. 



Adamsii, 391, 



Agassizii, 388. 



arbuscula, 406. 



Cahfornica, 398. 



cuspidata, 403. 



diffusa, 397. 



Englemanni, var. 394. 



eximia, 390. 



levis, 398. 



flexilis, 400. 



Florae 387. 



fucosa, 404. 



media, 389. 



Peruana, 405. 



platyclados, 406. 



pumila, 396. 



ramulus, 394. 



rigida, 401. 



rosea, 406. 



rutila, 392. 



sanguinea, 406, 



stenobrochis, 393. 

 Lobnphora, 349. 

 Lobopsammia. 506. 

 Lobularia rubiforme, 459. 

 Loomis, Elias, notices of Auroras, extracted 

 from the meteorological journal of Eev. 

 Ezra Stiles, 155 

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

 mean Temperature, and oti the fluctua- 

 tions of Temperature, at New Haven, 

 Conn., 194. 

 Lophacti.«, 463. 



ornata, 464, 562. 

 Lophogorgia, 384, 385, 386, 387. 



alba. 398. 



aurantiaca, 410. 



palma, 403. 



Panamensis, 394, 396. 

 Lophoserida?, 542. 

 Lophosermas, 542. 

 Lophoseris, 543. 

 Lovenia, 329, 346, 348, 595. 

 Loxechinus. 348. 



albus, 324, 335. 



purpuratus, 327, 337. 

 Luidia, 271, 348. 



alternata, 343. 



Bellonas, 293, 332, 334, 343. 



brevispina, 593, 594. 



clathrata, 271, 343. 



Columbia?, 343. 



Macgravii, 343. 



tessellata, 271, 330, 343. 

 Lytechinus, 302. 



Atlanticus, 303, 344. 



excavatus, 344. 



roseus. 302, 328, 329, 331, 3.33, 344, 

 583. 



semituberculatus, 301, 333. 



variegatus. o44, 369. 



