608 



INDEX. 



Phellia inomata, 489, 562. 

 Panamensis, 490, 562. 

 rubens, 489, 562. 

 Phos, 350. 

 Phycogorgia, 413, 484. 



fucata, 413, 561, 596. 

 Phyllacanthus, 349. 

 Phyllactinaj, 462, 461. 

 Phyllactis, 463, 

 Phyllangia, 531, 340, 534, 536. 



dispersa, 532, 563, 566. 

 Phyllogorgia, 384. 



dilitaia, 362. 

 Phyllophorus lepadifera, 346. 

 Phymactis, 475. 



clematis, 475. 566. 

 florida, 475, 566. 

 Pinnaxodes hirtipes, 306. 

 Placotrochus, 535. 

 Plagionotiis, 348, 591. 



Africanus, 569, 571, 592. 

 Desorii, 571. 

 nobilis, 591. 



pectoralis, 571, 345, 592. 

 Plexaura, 413, 386,416. 

 arbuscula, 406. 

 aurantiaca. 413. 

 dichotoma, 361. 

 fucosa, 404, 405. 

 platyclados, 406. 

 reticulata, 405. 

 rosea, 406. 

 sanguinea, 406. 

 Plexaurella, 361, 413, 416. 

 anceps, 362. 

 dichotoma, 861. 

 Plexauridae, 413, 386, 418. 

 PocOlipora, 519, 340, 513, 518. 

 capitata, 520, 563, 565, 

 lacera, 523, 563. 

 porosa, var., 521, 563. 

 pumila, var., 522, 563. 

 robusta, var., 521, 5(13. 

 Pocilliporidse, 518, 514, 512, 596. 

 Pocillopora, see Pocillipora. 

 Pocilloporinaj, 518. 

 Polypi, Brazilian, 352. 

 Polypiers lamellifera, 500. 

 Polyps, and Corals, of the west coast of 

 America, Review of the, 377. 



Geographical distribution of, of the 

 west coast of America, 566. 

 Porites, 503, 358, 365. 



Californica, 504, 564, 562, 565. 

 excavata, 504, 562. 

 Gaudaloupensis, 358. 

 nodulosa, 505, 563, 565. 

 Panamensis, 505. 523, 563. 

 porosa, 504, 562. 565. 

 solida, 358, 364. 

 Poritidse 503, 501. 



Portsmouth, N. H., Auroras observed at. 

 156. 



Primnoa, 454. 



compressa, 454, 559. 



lepadifera, 454. 



reseda, 454. 

 Primnoacefe, 418. 

 Primnoacees, 418. 

 Primnoidse, 418. 

 Psammecliinus, 301, 348, 584. 



aciculatus, 344. 



chloroticus, 584. 



pictus, 301, 344, 581. 



variegatus, 369. 

 Psammocora, 501. 

 Psammogorgia, 414, 413, 405. 



arbuscula, 414, 556, 561. 



Dowii, var., 415, 417, 561. 



fucosa, 417, 556, 561. 



gracilis, 417, 561. 



palUda, var., 415, 561. 



teres, 416, 556, 561, 564. 

 Psilechinus variegatus, 369. 

 Psolus Sitchasnsis, 325. 

 Pteraster Dana?, 568. 



militaris, 569, 344. 



pulvillus, 569. 

 Pterogorgia, 359, 385, 386, 387. 



acerosa, 386. 



bipinnata, 360. 



gracOi-s, 359,596. 



flabellum, 392. 



petechizans, 385. 



sarmentosa, 385. 

 Ptilosarcus. 382. 



Gurneyi, 548, 382, 559, 560. 

 Puget Sound, list of Echinoderms found at, 



324. 

 Pycnopodia helianthoides, 324, 326, 327. 

 Pygorhvnchus, 315, 348. 



Paciticus, 315, 328, 329, 345, 348. 



Radiata, Notes on, in the Museum of Yale 



College, 247. 

 Register, Extracts from an Auroral, kept 

 at New Haven, Ct., by Francis Bradley, 

 l;^,9. 



of the Aurora Borealis at New Haven, 

 Ct, from March, 1837, to Dec, 1 853, 9. 

 Remarks on the Brazilian Coi ul-fauna, 364. 

 Renilla, 378, .340. 

 Americana, 380. 

 amethystina, 379, 546, 560. 

 Dana3. 362, 546. 

 patula, 381, 546. 

 reniformis, 381, 546. 

 violacea, 362, 546. 

 Renillidte, 378. 

 Review of tlie Corals and Polyps of the 



west coast of America, 377. 

 Rhipidogorgia, 340, 384, 385, 386, 387. 

 Agassizii, 388, 391, 392. 

 Englemanni, 393. 

 flabellum, 385, 3^0. 

 media. 389. 



