CUAP. III. 



ANATOMICAL SYSTEMS. 



20< 



Such are, no doubt, his classes of Molluscoids and tliose of Worms, besidt's the 

 Myriapods and Arachnids. Respecting the Fishes, I refer to my remarks in the 

 first section (p. 187) of this Chapter. 



CLASSIFICATION OF MILNE-EDWARDS. 



The following diagnuii is drawn from the iiutlior's Cours elementaire d'Histoire natiirelle, Paris, 1855, 

 1 vol. 12nio., "til cilil., in wliifli lie has jirosenled the results of his latest investigations njion tlie classifica- 

 tion of the Vertebrata and Articulata ; the minor subdivisions of the Worms, Mollusks, and Zoophytes, 

 however, are not considered in this work.' 



I. OsTEOzoAKiA, or Vkrtebrata. 



Subbranch. Allant oi di ans . 



Cl. Mammalia. 1°. Monodelphya. a. Propria. Orrf. Bimana, 

 Quadrumana, Cheiroptera, Insectivora, Rodentia, Edentata, Carni- 

 vora, Amphibia, Paehjdermata, Ruminantia. h. Pisciformia. Ord. 

 Cetacea. 2°. Didelphya. Ord. Marsupialia, Monotremata. 



Cl. Birds. Ord. Rapaces, Passeres, Scansores, Gallinae, 

 Gralhv, and Palmipedes. 



Cl. Reptiles. Ord. Chelonia, Sauria, Ophidia. 



Subbranch. Anallantoidians. 



Cl. Batrachians. Ord. Anura, 

 Urodela, Perennibranchia, Caecilias. 



Cl. Fishes. 1°. Ossei. Orrf. Acan- 



thopterygii, Abdominales, Subbrachii, 

 Apodes, Lophobranchii, and Plectog- 

 nathi. 2°. Chondropterygii. Ord. Stu- 

 riones, Selachii, and Cyclostomi. 



II. Entomozoa, or Annellata. 

 Subbranch. A rthr op o da . 



Cl. In sect a. Ord. Coleopter.i, Orthoptera, Nevroptera, Hymenoptera, 

 Lcpidoptera, Ilemiptera, Diptera, Rhipi|)tera, Anoplura, and Thysanura. 



Cl. Myriapoda. Ord. Chilognatha and Cliilopoda. 



Cl. Arachnids. Ord. Pulmonaria and Trachearia. 



Cl. Crustacea. 1°. Podophthalmia. Ord. Decapoda and Stomapoda. 

 2°. Edriophthalma. Ord. Amphipoda, L;pmodipoda, and Isopoda. 3°. Bran- 

 chiopoda. Ord. Ostrapoda, Phyllopoda, and Trilobita;. 4°. Entomostraca. Ord. 

 Copepoda, Cladocera, Siphonostoma, Lcrnffiida, Cirripedia. 5°. Xiphosura. 



Subbranch. Vermes. 

 Cl. Annelids. 

 Cl. Helminths. 

 Cl. Turbellaria. 

 Cl. Cestoidea. 

 Cl. Rotatoria. 



Subbranch. Jfol ! ii sis proper. 

 Cl. C e p h a 1 o p o d s . 

 Cl. 1' t e r o p o d s . 

 Cl. Gasteropods. 

 Cl. Acephala. 



III. Malacozoaria, or Mollusca. 



Subbranch. Molluscoids. 

 Cl. Tunicata. 

 Cl. Bryozoa. 



Subbranch. R adiari a , or R ad I al a. 

 Cl. Echinoderms. 

 Cl. a c a 1 e !> h s . 

 Cl. Corallaria, or Polyjii. 



IV. Zoophytes. 



Subbranch. Sarcodaria. 

 Cl. Infusoria. 

 Cl. Spongiaria. 



' Consult, for thtse, liis recent papers upon Polvps, Mollu.sks, and Crustacea, in the Ann. lies Sc. Kat. 



