CONTENTS 



CHAPTER V 



PAGE 



Class I. CRUSTACEA . . 342 



Sub-class 1. EXTOMOSTRACA 359 



Order 1. Trilobita . . .361 



2. Branchiopoda . . 3(57 



Sub-order 1. PhyUopoda . 375 



Tribe 1. Anostraca . . 376 

 2. Xotostraca . . 376 

 3. Conchostraca . . 377 



Sub-order 2. Cladocera. . 377 



Order 3. Ostracoda . . . 382 



Sub- order 1. Myodocopa . 389 



2. Podocopa. . 391 



Order 4. Copepoda . . . 392 



Sub-order 1. Eucopepoda . 404 



2. Branchiura . 410 



Order 5. Cirripedia . . . 413 



Sub-order 1. Cirripedia 



Genuina . . 423 



Tribe 1. Pedunculata . . 423 



2. Operculata . . 425 



Sub-order 2. Acrothoracica 426 



3. Apoda . . 428 



4. Rhizocephala 428 



5. Ascotkoracica 434 



Sub-class 2. MAI.ACOSTRACA 435 



Order 1. Leptostraca . . 455 



2. Syncarida . . . 459 



3. Schizopoda . . 463 



Tribe 1. Hemitropha . . 470 



2. Holotropha . . 471 



Order 4. Cumacea . . . 472 



5. Tanaidacea . . 477 



6. Isopoda . . . 479 



Section 1. Isopoda genuina 487 



Tribe 1. Oniscoidea . . 487 



2. Asellota ... 487 



3. Phreatoieidea . . 488 



4. Valvifera ... 488 



5. Flabellifera . . 488 



6. Epiearidea . . 489 



Section 2. Isopoda anomala 491 

 Order 7. Amphipoda. . . 492 



Sub-order 1. Amphipoda 

 genuina 



Division 1. Gam.mari.na 



Tribe 1. Corophiina 

 ,, 2. Gammarina 

 Genuina 



499 



500 



500 



500 



PAGE 



Division 2. Hyperina . . 502 



Tribe 1. Hyperina anomala 502 

 2. Hyperina normalia 503 



Sub-order 2. Laemodipoda 503 



Order 8. Stomalopoda . . 504 



9. Decapoda . . .511 



Section 1. Macrura Natantia 527 



Tribe 1. Penaeidea . . 528 

 2. Stenopidea . . 531 

 3. Caridea ... 531 



Section 2. Macrura 



Reptantia . . 534 



3. Anomura . . 536 



Tribe 1. Thalassinidea . . 537 



2. Paguridea . . 539 



3. Galatheidea . . 541 



4. Hippidea . . . 542 



Section 4. Brachyura . . 542 



Tribe 1. Brachyura 



Anomala . . 543 



2. Oxystomata . . 544 



3. Oxyrhyncha . . 544 



4. Catometopa . . 546 



5. Cyclometopa . . 548 



CHAPTER VI 



Class II. ONYCHOPHORA . 550 



CHAPTER VII 



Class III. MYRIAPODA . . 578 



Order 1. Pauropoda . . 580 



2. Diplopoda . . 582 



Sub-order 1. Psdapliog- 



nntha . . . 591 



2. Chilo<inntha . 592 



Order 3. Chilopoda . . .594 



Tribe 1. Pleurostigma . . 602 



2. Notostigma . . 603 



4. Symphyla . . . 604 



CHAPTER VIII 



Class IV. INSECTA . . .608 



Group I. APTERYGOTA . . 655 



Order 1. Co Hem bo la . . 655 



2. Thysanura . . 657 



