CONTEXTS. 



Sub-Class EDRIOPHTHALMATA;or SESSILE-EYED CRURT- 



ACEANS 4T2 



Or.hr AMl'llIl'llDA: i,u A M I'll I I'Ol )( MS CRUST- 

 ACEANS: Jumpers— Orcheslridae 472 



Sand-Screws— (rrtmmflrifiae, CoropUidae 47-> 



Parasitic Shrimps — Phrmdinadae 474 



Caddis- .-did fresh-Water Shrimp (These belong to the 



just mentioned families Ciropuidae, resp. Gainmaridaei - ...... 475 



Order LAEMODIPODA; ..k THROAT-FOOTED 



CRUSTACEANS: Skeleton-Screw— Caprellidae. 476 

 Whale-Louse— C'l/fl/iu'tae 477 



Order ISOPODA; on' EQUAL-FOOTED CRUSTA- 

 CEAN'S: Arcturus— Jduteidae 477 



Gribhle— Axdlidae _ 478 



Great Sea-Slater — Ouiscidae. — Wood louse — Porcel- 

 liouidae.— Poll-Woodhmse— ArmadUMae 47!) 



Order or Sub-Class KNTOMOSTRACA; or ENTOMOS- 

 TRACANS: Gill-Footed Entomostracans — 

 Branchivpudidae.. 480 



Order CLADOCERA; BRANCH-HORNS: Water-Flea, 



and Moina — Dajihniadae 481 



Chvdorus— Li/7u:eidae, Pvli/phemidae 482 



Order OSTRACI IDA: Cypris— 'Ci/pridae. — Cytbere— G> 



tlieridae, — Cypridina — Cttpridinadae 483 



Order COPEPODA ; obOA R-F< >< )TED ENTOMOSTRA- 

 CANS: Cyclops -Ctjclupidae. — Cetochilus -Ceto- 

 chilidae " : 484 



Legion Poecii.opoda; or Various-Footed Extumostra- 



CAXS 4S5 



Order SIPHONOSTOMA; on TUB-MOUTHED ENTO- 

 MOSTRACANS: Argulus— Argutidae.— Caligus 

 —Caligidae . 485 



Tribe PaChyceph \ , comprising Entomostracans with broad, 

 shield-shaped heads: Nicothoe, and other Fish- 

 Parasites— JSrgusilidae 4-<5 



Order LERNEADA; on SUCKING FISH-PARASITES. 486 



Tribe Anchoeastomaceae; or Anohob Fish-Parasites: 



Chondracanthus, Lernaeodiscus, Jacculina, etc. — 

 Clioudraeauthidae 4 V 6 



Tribe Axchobacaepaceak; Anchor-Parasites upon Cups, 

 etc.: lVrcli-Sueker — Lernaecrpodadae. — Anchor- 

 ella — Ancharelladae. — Shark-Sucker — Penelladae. 4*0 

 Carp Sucker Lernaeoceradae 4*7 



Order PYCNOGONIDES, comprising odd forms of Crusta- 

 ceans. — Order XIPHOSURA; or SWORD- 

 TAILED CRUSTACEANS 487 



Order CIRRIPEDIA; on BARNACLES: 488 



Goose Mussel -Lepadidae 4*9 



Acorn Barnacle — Balanidae 41)1 



CLASS ARACHNIDAE, 



comprising Spiders, Scorpions and Mites 493 



Order ARANEIDA; oe TRUE SPIDERS 493 



Tribe Octoxocuuxa; or Eight-Eyed Abachida: Crab- 

 Spider, Mygale, and Trap-Door Spider — Mi/ga- 



lidae . .' '. ... 41' t 



Wolf-Spiders— Liicosidue 4!I7 



Hunting Spiders— Sallicidae 499 



Crab-Spiders - Thomisidae 501 



Cell-Spiders— Drassidae 504 



Tube-Weaving Spiders — Chdfionidae 506 



Argelena, Tegenaria, Caelotes, Theridion, Liny- 

 phia, Tetragnatha— -4<7i-/CTiidae.— Garden-Spider, 



and Varieties -Epeiridae 509 



Tribe Bixooumna; or Two-Eyed Aeachxida (xops) . oil 



Tnt: Siaim'i i,i \ \ ; or Six-Eyed Aeachxida. . .Ml 



Order PSEU DOSCORPION ES; oe FALSE SCORPIONS .">12 

 Order PEDIPALPI; on TRUE SCORPIONS: Phrynus, 



Phriiuidue .... 514 



Rock-Scorpion — Sewpionidae .... 515 



Order ACARINA; on MITES: Harvest-Bug— Gamasidae 



— Hippopotamus-Tick— Xxodidae 516 



Flour-Mite -Acuridae. . 517 



Hog- and Dog -Tick — Pediculidae. — Deer- and 

 Horse-Tick — Philopteridae 518 



CLASS 3IYRIAPODA. 520 



Order CHILOPODA; Tribe Schizotaesia: Cermatia— 



t 'ermatiidae 520 



Tribe Hoi.otabsia: Lithobius— ZiWiooudae 521 



( leutipedes — Scoloperidridae 522 



Arthronomalus, Gonibregmatus — Oeophilidae. . .... 52:3 



•Order CHILOGNATA; on DIPLOPODS — Tribe Pexta- 



zoxia: Zeplironia, Gloineris — (llomeridae 524 



Tnhe Moxozoxia: Pulydesmidae and Polyxenidae. — Tribe 



Bizoxia: Jvlidae .' 525 



CLASS ANNULATA OR ANNELIDA; 



it includes the Earth-Worms, the Leech, the in- 

 testinal Worms and other Worm-like Creatures 527 

 Order SETTGERA; oe BRISTLE-BEARERS: Serpula, 

 Sabella, Terebella, and Shell-Binder — Amphi- 

 tritae 527 



Vol I II, 



Lug- Worms — Nereidae. ........... 530 



Eunice —Euniceae 531 



Cirrhatulus — Ariciae 532 



Sea-Mouse — Aphrodilidae . 533 



Chaetopterus — Cliactopterirlae, — Earth - Worm — 



Lunihriridae. 534 



UCTOR1A; or SUCKERS ' 535 



ENTOZOA ; or INTERNAL WORMS — Order 

 CAELELMINTHA.— Tribe Nematoidka: As- 

 caris, Guinea Worm, Tricocephalus, Stongylus— 



Strong ijlididae '. 538 



Order STERELMINTHA: Tape- and Ray-Worm— Ces- 



toideae 539 



Trichine— Triehotraclielidue 540 



Order S 

 Sub-Cla. 



CLASS RADIATA; OK ECHINODER- 

 MATA. 



Sub-Class DITREMATA.-'Jnte- HOLOTHUROIDEA: 



Sipuneulus — Sipmtculidae 



Priapulus — Priapulidae. — Spoon-Worm — Thalaase- 



madcie 



Order HOLOTHUROIDEA: Sea Cucumbers— Psolidae. '. '. 



Pentacte — Pentactidae 



Synapta — Si/najitadae 



Order ECl 1 1 NOIDEA: Sea-Urchins— Cicaridae 



Heart-Urchins — Spalangidae 



Cake-Urchin, etc. — ClijpeaHeridae 



Sub-Class HYPOSTOMATA-Onar ASTEROIDEA; or 

 STAR-FISHES: 



Asterias, etc. — Asteriadae 



Brittle Stars— Ophiuridae 



Shetland A rgus — Eurijdlina 



Order CRINOIDEA: Feather Star, and 



Medusa's Head. 



CLASS ACALEPIIA; 



or Nettles, or Jellv-Fishes, or Hydroids 



tir.i.r SIPHONOPHORA; on SIPHON-BEARING MOL- 

 LUSKS.— Present Classification of Jelly-Fishes: 



Sallee Man -Veldladne 



Portuguese Man-o'-War — Physaliadae 



Diphyes —Viphijidae 



i»;lrr CTENOPHORA; on COMB-BEARERS: Cydippe— 



Vullittiiiritliie. 



Veuus' Girdle - Beroidae 



Order DISCOPHOR A; on DISC-BEARERS.— Tribe Gym- 



nophthai.mata; or Naked-Eyed Medusa: Sarsia 



— Sarsiadae.-- Eudora, and Aequorea— Aequoreadae 



Tribe Stegaxophtu w.mata; or Coveeed-Eyed Medusae:— 



Chrysaora, Rhizostotna — Rhizosknnadae 



541 

 541 



542 

 542 

 513 

 544 

 544 

 546 

 547 



549 

 551 

 552 

 553 

 553 

 554 



556 



557 

 559 

 560 

 561 



562 

 563 



CLASS ZOOPHYTES; oil ANIMAL 

 PLANTS. 



Order ACTINOIDA; on RADICATED ZOOPHYTES — 

 Sub-Order Actixaeia: Pink Anemones— Zuder- 



nariadae 



Green Anemone — Antheadae. — l'earlet Anemone, 



Pufflets, and Vestlets— Hyanthidae, — Plumose 



Anemone, and VfiAow—Sagartiddae 



Warty Anemone — Bunodidae, 



Actinia, and Crambactis— Actiniadae 



Fungia — Fungidae. — Cup-Corals — Caryophijlleadae. . 

 Tree-Corals - Ouulinidae. — Brain-Coral ustraea) — 



Astraeaceae 



True Coral —Cvrticata 



Order ALCYONOIDA, comprising Gorgonias, Sea-Fans, 



Sea- Whips, etc.: 



Gorgonia — Gvrgouiadae 



Sea' Pen— Permatuladae.— Sea-Tiger — Alcyoniidae . . 



Order HYDROIDA: Tubulariadae '. 



Sertulariadae. — Bell-Zoophytes — Carnpanulariadae . . 

 The Coral Reefs of Florida 



564 

 566 



568 



560 

 570 

 57 L 

 572 



573 

 574 



574 



575 

 676 

 576 

 577 

 578 



CLASS ROTIFER A; OK AV1IEEL 

 ANIMALCULES. 



CLASS RIIIZOPODA; OK ROOT- 

 FOOTED PROTOZOANS. 



Sub-Class PORAMINIFERA 



Sub-Class POLYCYSTINA 



581 



583 

 583 

 584 



CLASS INFUSORIA; or 3IICRO- 

 SCOPIC ANIMALS: 



Vorticella — Peritricha 



Steutor— HeterotriL-ha 



585 



586 

 587 



CLASS PORIFERA; OR SPONGES: 



Present Classification of Porifera, 



587 

 591 



