58 THE PRESENT. 



IV. PISCES, or FISHES. 



SELACHIA (Cartilaginous) Chimaera, Sharks, Sawfish, Rays. 

 GANOIDEA (Enamel-scales) Amia, Bony-pike, Sturgeon. 

 TELEOSTIA (Perfect-bones) Eels, Salmon, Herring, Cod, Pike, &c. 

 C YCLOSTOMATA ( Circle-mouths) Lamprey. 

 LEPTOCARDIA (Slender-hearts) Amphioxus. 



INYERTEBRATA, 



Or animals void of back-bone and bony skeleton, and comprehending 

 ARTICULATA, MOLLUSCA, RADIATA, and PROTOZOA. 



I. ARTICULATA, subdivided into Articulates and Vermes. 



1. ARTICULATA, or Jointed Animals Proper. 



IXSECTA (Insects) Beetles, Butterflies, Flies, Bees. 

 MYRIAPODA (Many-feet) Scolopendra, Centipedes. 

 ARACHNIDA (Spiders) Spiders, Scorpions, Mites. 

 CRUSTACEA (Crust-clad) Crayfish, Crabs, Shrimps, Woodlice. 

 CIRRHOPODA (Curl-feet) Acorn-shells, Barnacles. 



2. VERMES, or Worms Proper. 



AXNELIDA (Small-rings) Lobworm, and almost all the marine worms. 



ROTIFER A ( Wheel-bearers) Rotifers, Hydatina. 



GEPHYRIA (Intermediates urchin-like] Sipunculus, Echinurus. 



LUMBRICINA (Earth-worms) Earth-worms, Nais. 



HIRUDINEI (Leeches) Leeches, Branchellion. 



TURBELLARIA (T urbellaries) Planaria, Ribbon-worms. 



HELMINTHES (Giit-v:orms) Intestinal worms. 



II. MOLLUSCA, subdivided into Mollusca and Molluscoida. 



1. MOLLUSCA, or Shell-fish Proper. 



CEPHALOPODA (Head-footed) Cuttle-fish, Octopus, Calamary, Nautilus. 

 PTEROPODA ( Wing-footed) C lio, Hyalsea. 

 GASTEROPODA (Belly -fooled) Snails, Slugs, Whelks, Cowries. 

 ACEPHALA (Headless) Oysters, Mussels, Cockles, Shipworms. 

 BRACHIOPODA (Arm-footed)- Terebratula, Lingula. 



2. MOLLUSCOIDA, or Mollusc-like Animals. 



)hora, Simj 

 Ascidians. 



TUNICATA (Coated, but Shell-less)- { Biphora, Simple and Compound 



POLYZOA (Compound animals) \ . 



or J, Flustra, Eschara, Plumatella. &c. 



BRYOZOA (Moss-like animals) ) 



