12 



2403-2431. Arthropoda. [Works relating to the following 



Branches taken together, or at any rate to 

 several of them, viz., 2603 to 4831.] 



2403 Arthropoda. Comprehensive and General Works. 

 2407 Arthropoda. Structure. 



[For sub-divisions, see 0207.] 



2411 Arthropoda. Physiology. 



[For sub-divisions, see 0211.] 



2415 Arthropoda. Development. 



[For sub-divisions, see 0215.] 



2419 Arthropoda. Ethology. 



[For sub-divisions, see 0219.] 



2423 Arthropoda. Variation and Etiology. 



[For sub-divisions, see 0223.] 



2427 Arthropoda. Geography. 



[For sub-divisions, see J, 1 and 2.] 



2431 Arthropoda. Taxonomy. 



2431 will not include a systematic arrangement of 

 Genera and Species. 



2603-2631. Crustacea. 

 2603 Ceustacea. Comprehensive and General Works. 



2607 Crustacea. Structure. 



[For sub-divisions, see 0207.] 



2611 Crustacea. Physiology. 



[For sub-divisions, see 0211.] 



2615 Crustacea. Development. 



[For sub-divisions, see 0215.] 



2619 Crustacea. Ethology. 



[For sub-divisions, see 0219.] 



2623 Crustacea. Variation and JEtiology. 



[For sub-divisions, see 0223.] 



2627 Crustacea. Geography. 



[For sub-divisions, see J, 1 & 2.] 



2631 Crustacea. TAxoNo:\rY and Systematic. 



Entomostraca (= Cirripedia, Ostracoda, Copepoda, 



Phyllopoda). 

 Leptostraca. 

 Arthrostraca (or Edriophthalma) (= Aaiphipoda, 



Isopoda, Anisopoda). 

 [Malacostraca (= Tlioracostraca 4- Arthrostraca).] 

 Thoracostraca (or Podophthalma) includes Decapoda, 



Schizopoda, Stomatopoda, Cumacea. 



