xiv Contents. 



CHAPTER XL. 



PACI 



Sub-class i, Cirripedia ; Order I, Thoracica ; Order 2, Abdo- 



minalia ; Order 3, Apoda ; Order 4, Rhizocephala, . , . 343 



CHAPTER XLI. 



Sub-class 2, Copepoda; Order i, Gnnthostomata ; Order 2, Sipho- 

 nostomata. Sub-class 3, O>tracnda. Sub-class 4, Bran- 

 chiopoda; Order I, Cladocera ; Order 2, I'hyllopoda. Sub- 

 class 5, Trilobita.% 34^ 



CHAPTER XLI I. 



Sub-class 6, Poecilopoda. Sub-class 7, Podophthalmia ; Order i, 

 Decapoda ; Order 2, Stomapoda, 



CHAITKR XLI 1 1. 



Sub-class 8. Kdriophthalmia; Order I, Cumatca- ; Order 2, Laemo- 

 dipoda ; Order 3, Amphipoda ; Order 4, Nopoda. . 



CIIAPTKK XLIV. 



I >nisi,,n 2, I'raclKMjiiiM;.. Class 2, Arachnoidca. Sub-cl.. 



I'seudarachna ; Order i, I'antopoda: Order 2, Tardigrada. 

 Sub-cla>s 2, Autarachna ; Oricr i, Acarina ; Order 2. 

 neina ; Order 3, Arthrogai .... 



CHAPTER XLV. 



Class 3, Myriopoda; Order i. Chilognatlia . 



Order 3, Pauropoda 



CHAPTKR XLVI. 



("l.is> 4. Insecta. 



