CLASSIFICATION OF THE ANIMAL KINGDOM 

 PHYLUM X. ARTHROPOD A continued. 



Class V. ARACHNIDA. 



Order 1. SCORPIOXIDA. 



PSEUDOSCORPIOXIDA. 



3. PEDIPALPIDA. 



,, 4. SOLPUGIDA. 



,, 5. PHALANGIDA. 



6. ARAXEIDA. 



Order 7. Ac ARID A. 

 ,, 8. XIPHOSFRA. 

 ,, 9. EURYPTERIDA. 



Appendix to the Arachnida The 

 PYCXOGOXIDA, LIXGUATULIDA, and TAR- 



DIGRADA. 



PHYLUM XI. MOLLUSCA. 



Class I. PELECYPODA. 



Order 1. PROTOBRAXCHIA. 



,, 2. FlLIBRAXCHIA. 



,, 3. PSEUDO-LAMELLIBRAXCHIA. 



,, 4. EULAMELLIBRAXCHIA. 



Sub-order a. Inteyripatliata. 

 ,, 1). Sinupalliata. 



Class II. AMPHINEURA. 

 Order 1. PLACOPHORA. 

 ,, 2. APLACOPHORA. 



Class III. GASTROPODA. 



Sub-class I. Streptoneura. 

 Order 1. ASPIDOBRAXCHIA. 

 Sub-order a. Docoy/o*a. 



PHYLUM XII. 



SUB-PHYLUM I. ADELOCHORDA. 

 Class. ADELOCHORDA. 



SUB-PHYLUM II. UROCHORDA. 



Class. UROCHORDA 



Order 1. LARVACEA. 

 ,, 2. THALIACKA. 

 Sub-order a. Cydomyari'i. 

 ,, b. Hemimyaria. 

 ,, <: Pyroxonutta. 

 Order 2. ASCIDIACKA. 

 Sub-order a. A*r/', /,',,- 

 ,, b. 



St r.-iMivi.i M III. VERTEBRATA. 



Division A. Acrania. 

 Class. ACRANIA. 



Order 2. PECTIXIBRAXCHIA. 

 Sub-order a. Platypoda. 

 ,, b. Heteropod<i. 

 Sub-class II. Euthyneura. 

 Order 1. OPISTHOBRAXCHIA. 

 Sub-order a. Tectibranchiata. 

 ,, b. Nudibranchiata. 

 Order 2. PULMONATA. 



Appendix to the Gastropoda Class 

 SCAPHOPODA and RHODOPE. 



Class IV. CEPHALOPODA. 



Sub-class I. Dibranchiata. 

 Order 1. DECAPODA. 

 ,, 2. OCTOPODA. 

 Sub-class II. Tetrabranchiata. 



CHOKDATA. 



Division B. Craniata. 

 Class I. CYCLOSTOMATA. 



Order 1. PETROMYZONTES. 

 ,, MYXIXOIDEI. 



Class II. PISCES. 



SiTb-class I. Elasmobranchii. 



Order 1. CLADOSELACHKA. 



,, 2. PLEURACAXTHEA. 



,, 3. ACAXTHODEA. 



,, 4. SELACHII. 

 Sub-order a. Protoselachii. 



,, b. Euselachii. 

 Section a. Squalida. 



,, 0. Rajida. 

 Sub-class II. Holocephali. 



,, III. Teleostomi. 



Order 1. CROSSOPTERYGII. 



,, 2. CHONDEOSTBI. 



