607 



Ophiothrix spiculata, 2G7, 328, 330, 332, 

 333, 342. 594. 



Suensonii, 342. 



violacea, 267. 342. 346. 

 Ophiozt.na, 257, 348. 



impressa, 342. 



PaciHca, 257, 330, 342. 

 Ophiura, 253, 347. 



appressa, 342. 



brevicauda, 342. 



brevispina. 342. 



cinerea, 342, 367. 



Daiiiana, 254, 329, 342. 



-elaps, 342. 



flaccida, 366. 



guttata, 342. 



Januarii, 342. 



Panamensis, 253, 270, 327, 328, 329, 

 342, 594. 



paucispina, 367. 



reticulata, 366. 



rubicunda, 342. 



teres, 253, 327, 328, 329, 342, 594. • 



variegata. 254, 329, 342, 376. 



sp. nov., 270, 330, 342. 

 Opliiuridte, 342. 



Ophiuroidea, 251, 341, 366, 372, 572. 

 Oreaster, 278, 348. 



aculeatns,-343. 



armatus, 280, 372. 



Cumingii, 332. 343. 



gitjas, 279, 343, 367. 



occidentalis, 278, 312, 328, 330, 343, 

 374, 574. 



reticulatus, 343, 367. 

 Oregonian Province, 337. 



Polyps of, 559. 

 Orinidfe, 494. 

 Othilia crassispina, 368. 

 Oulactis, 463, 462, 464. 



coneinnata, 463, 566. 



granulifera, 462. 



flosculifera, 464. 



formoSH, 464. 

 Oidangia, 533. 



Pachj^psammia, 506. 



valida, 506. 

 Pachj'sammia, 506. 

 Paita, Peru, list of Echiiioderms found at, 



334. 

 Palmer, Dr. E., Polyps collected by, at 



Guayiiias. 564 

 Palythoa, 3«2, 4^45, 497. 

 Panama and west coast of America, Notes 



on the Eihinoderms ^'f. 251. 



list of the Kchinodeims of the Bay of, 



329. 

 Pauamiaii and Caribbean Fauna?, comp'ra- 



tive hsts of the Echinoderms of the. 341. 

 Panaraian Province, 337. 



I'olyps of, 560. 

 Paractis 477, 482, 491. 



Trans. Conn. Acad., Vol. I. 



Paractis impatiens, 483. 



lineotala, 483. 



nobilis, 491, 562. 



nymphfea, 486. 



lubus, 487. 

 Paracyathus. 536, 5 ID. 513. 



caltlia, 537, 560. 



humilis. 538, 563. 



Stearnsii, 537, 560. 



Stokesli, 536. 

 Paragorgia, 454. 

 Paramuricea, 419. 



clathraia, 419. 

 Pari sis, 572. 

 Patiria, 276. 



Chilensis, 334. 335. 



miniata, 324, 326. 



obtusa, 276, 330, 343. 

 Pattalus mollis, 376. 



Peruvianus, 335, 376. 

 Paulia horrida, 332, 343. 

 Pavonia, 543, 340, 350. 



clivosa, 544, 563. 



gigantea, 548, 563. 

 Pectinia, 353. 



Braziliensis, 353. 

 Pectinura maculata, 574. 

 Pedersen, Capt. J., Notice of P^chinodeinis 

 collected at La Paz, Lower Cal., by, 371. 



Polyps collected by, at La Paz, 564. 

 Pedicellaster, 593. 

 Pennatula tenua, 382. 



uudulata. 546. 

 Pennatulacea, 378. 

 Pennatulida', 381. 546. 

 Pentaceros, 574. 



armatus, 280, 372. 



Ctmiingii, 279. 



occidentalis, 574. 



reticulatus. 367. 

 Pentacrinus, 348. 



listerias, 341. 



caput-medusffi, 341. 



decora, 341. 



Miillen, 341. 

 Peiitacta, 321. 



albida, 325, 326. 



miniata, 325. 



nigricans, 325. 



Paiiamensis, 321, 331, 346. 



pentacies, 321. 



piperata, 326. 



populifera, 326. 



qiiinquesemita, 326. 



sp., 335 

 Peruvian Province, 338. 



Polvps, 566. 

 Petalster Columbia', 272, 330, 343. 

 Petricola lAoladiformis, 531. 

 Pharia pyramidatus, 287. 

 Phataia unifascialis. 285. 

 Phellia 489, 466 



arctica, 490, 559. 



71 



March, 1871. 



