176 



THE HISTORY OF CREATION. 



SYSTEMATIC SUEVEY 



Of the 7 Legions and 20 Orders of Crabs, or Crustacea. 



Lecp'ons of the 

 CrustacecB. 



Orders of the 

 CrustacecE. 



Systematic Name 

 of the Orders. 



Name of n 



Genus as an 



example. 



I. Entomostraca, Lower Crustacea, or Segmented Crabs (not passing througli the 



actual Zoea form In youth). 



I. Branchiopoda 



Gill-footed Crabs 



1. Primeval Crabs 



2. Leaf-foot Crabs 



3. TrUobites 



4. Water Fleas 



5. Bivalve Crabs 



1. Arohicarida Nanplins 



2. Phyllopoda Limnetis 



3. Trilobita Paradoxides 



4. Cladocera Daphnia 



5. Ostracoda Cypris 



II. Pectostraca 

 Fixed Crabs 



6. Barnacle Crabs 



7. Root Crabs 



6. Cirripedia Lepas 



7, Rh-izocephala Sacculina 



III. Copepoda ( 8. Boatmen Crabs 

 Oar-footed Ci-abs 1 9. Fish Lice 



IV. Pantopoda (^q_ ^o-hoAj Crabs 

 No-body Crabs 1 



v. Pceeilopoda fll- Spear-tails 

 Shield Crabs ll3. Giant Crabs 



8. Encopepoda Cyclops 



9. Siphonostoma Lernseocera 



10. Pyonogonida Nymphon 



11. Xiphosnra Limnlus 



12. Gigantostraca Enrypterns 



II. MaI/ACOStraca, Higher Crustacea, or Mailed Crabs (passing tlirough the Zoea f oi-rn 



in youth). 



V . Podoph- /'13. Zoea Crabs 13. Zoepoda Zoea 



thalma 14. Split-legged Crabs 14. Schizopoda Mysis 



Stalk-eyedMaUed 1 15. Mouth-footed Crabs 15. Stomatopoda SquUla 



Crabs 1^16. Ten-footed Crabs 16. Decapoda Peneus 



VII. Edrioph- 

 thalma 



MailedCrabsTnth 

 sessile eyes 



17. Cnma Crabs 



18. Plea Crabs 



19. Wizard Crabs 



20. Louse Crabs 



17. Cumacea Cuma 



18. Amphipoda Gammarus 



19. Laemodipoda CapreUa 



20. Isopoda Oniscus 



