1798 



THE VOYAGE OF H.M.S. CHALLENGER. 



Sticlwpterygium — 



anomalum, 1442. 

 Stigmosphsera, 68. 



actinocentra, 68. 

 Stomatodiscus, 50i2. 



amphiatonius, 502. 



osculatus, 503. 

 Streblacantha, 706. 



calcarina, 706. 



hastigerina, 707. 



siderolina, 706. 

 Streblacanthida, 704. 

 Streblonia, 704. 



bulimina, 705. 



globigerina, 704. 



planorbulina, 705. 



polymorphina, 705. 



pulvinulina, 706. 



Tosalina, 705. 



aiderolina, 706. 



uvigerina, 704. 

 Streblonida, 702. 

 Streblopyle, 707. 



helicina, 707, 



spirulina, 707. 

 Streblopylida, 704. 

 Stylactis, 532. 



trittngulum, 533. 



zittdii, 534. 

 Stylartus, 357. 



bipolaris, 357. 



bicuspis, 357. 



palatus, 358. 



penicillus, 358. 

 Stylatractus, 328. 



carduus, 330. 



compactus, 32&. 



disetanius, 331. 



fusiformis, 329. 



giganteus, 329. 



neptunus, 328. 



papillosus, 331. 



sethoporus, 330. 



variabilis, 330. 

 Stylectodiscus, 413. 

 Stylentodiscus, 413. 

 Stylochlamydium, 514. 



ffiquale, 515. 



asteriscus, 514. 



limbatum, 514. 



perispirale, 515. 



spongiosum, 516. 



venustum, 515. 

 Stylocoronis, 982. 

 Stylocroniyum, 147. 



amphioonua, 147. 



ainphiiiyrami«, 147. 



tetraphractum, 335. 

 Stylocyclia, 462. 



amphacantha, 463. 



Stylocyclia — 



arachnia, 510. 



dimidiata, 462. 



excavata, 463. 



prionacantha, 462. 

 Sttlocyclida, 461. 

 Stylodictya, 509. 



arachnia, 510. 



Hspiralis, 497. 



centrospira, 512. 



clavata, 513. 



dujardinii, 513. 



echinastrum, 513. 



forhesii, 510. 



gracilis, 509. 



haeckelii, 510. 



hastata, 510. 



heliospira, 512. 



hertwigii, 513. 



multispina, 510. 



ocellala, 508. 



octogonia, 511. 



perispira, 511. 



quadrispina, 507. 



setigera, 512. 



solraaris, 511. 



splendens, 508. 



stellata, 510. 

 Stylodicttida, 503. 

 Stylodiscus, 413. 



amphistylus, 413. 



endostylus, 413. 

 Stylosphffira, 133. 



calliope, 134. 



carduus, 330. 



Clio, 134. 



cormmta, 326. 



dixyphos, 135. 



erato, 137. 



euterpe, 135. 



flexuosa, 138. 



hippocampus, 324. 



hispida, 136. 



holosphmra, 150. 



jugata, 137. 



Iccvis, 327. 



liostylus, 136. 



megadictya, 301. 



melpomene, 135. 



musa, 133. 



nana, 136. 



ophidimn, 140. 



polyhyrania, 134. 



radiosa, 334. 



setosa, 135. 



spinulosa, 332. 



s^ilcata, 333. 



terpsichore, 137. 



tcstudo, 325. 



thalia, 137. 



Stylosphffira — 



urania, 134. 



STYLOSPH.ffiBIDA, 121. 



Stylospira, 512. 



arachnia, 513. 



dujardinii, 513. 



heliospira, 512. 

 Stylospongia, 584. 



huxleyi, 585. 

 Stylospongidium, 586. 



geddesii, 585. 

 Stylostaurus, 157. 



caudatus, 157. 



gladiatus, 158. 

 Stylotrochiscus, 583. 

 Stylotrochus, 583. 



arachuius, 583. 



craticulatus, 583. 



geddesii, 585. 



helianthus, 584. 



heteracantlius, 584. 



huxleyi, 585. 



rhabdostylus, 584. 

 Stypolarcus, 614. 



spongiosus, 614. 

 Styposphsera, 86. 



spongiacea, 87. 



spumacea, 87. 



stupacea, 87. 



Taurospyris, 1058. 



bovina, 1058. 



cervina, 1058. 

 Tessarasparium, 835. 

 Tessaba.spida, 830. 

 Tessaraspidium, 838. 



quadratum, 838. 

 Tessaraspis, 835. 



arachnoides, 836. 



circularis, 837. 



eoncreta, 838. 



diodon, 837. 



elegans, 844. 



icosastaura, 846. 



hexagonalis, 836. 



irregularis, 838. 



micropora, 827. 



pentagonalis, 836. 



quadra ta, 838. 



quadriforis, 837. 



rotunda, 838. 



tetragonalis, 836. 



trigonalis, 836. 

 Tessarastrum, 547. 



brunonis, 548. 



democriti, 548. 



spinozse, 546. 



straussii, 547. 

 Tessarospyris, 1045. 



clathrobursa, 1045. 



