X TABLE OF CONTENTS 



Page 



Class III. Scaphopoila 3-5 



Class R'. Gasteropoda 3-5 



Order I. Prosobranrhiata 33i 



Order II. Opisthobranchiala 334 



Order III. Pulmonata 335 



Class \'. Cephalopoda 33^ 



Order I. Tetrabranchia 34^ 



Order II. Dibranehia 347 



SUMILARV 347 



Phylum IX. Aetitropoda 349 



Class I. Crustacea 359 



Sub Class I. Trilobila-' 363 



Sub Class II. Phyllopoda 365 



Order I. Branchiopoda 366 



Order II. Cladocera 366 



Sub Class III. Copepoda 366 



Order I. Eucopepoda 369 



Order II. Siphonostomata 369 



Sub Class IV. Ostracoda 371 



Sub Class V. Cirrii)edia 371 



Sub Class \'I. ISIalacostraca 374. 



Legion I. Leptostraca 375 



Legion II. Thoracostraca 375 



Order I. Schizopoda 375 



Order II. Stomatopoda 376 



Order III. Decapoda 377 



Order IV. Cumacea 3S2 



Order V. Syncarida 3S2 



Legion III. Arthrocostraca 3S3 



Order I. Amijhipoda 3S3 



Order II. Isopoda 385 



Class 11. Acerata 3S7 



Sub Class I. Gigantostraca 3SS 



Order I. Xiphosura 3S8 



Order II. Eur}'pterida 389 



Sub Class II. Arachnida 389 



Legion I. Arthrogastrida 391 



Order I. Seorpionida 391 



Order II. Phrynoidea 3r)2 



Order III. Mierolhclyphonida 30^ 



Order IV. Solpugida ^{)^ 



Order V. Pseudoscorpii 304 



Order VI. Phalangida ^04 



Legion II. Spherogastrida 30^ 



Orflcr I. Araneina 391; 



Order II. Acarina 3g6 



Order III. Linguatulida r^qj 



Tardigrada _,,,S 



P)'(nogonida n^g 



Class III. Malaco])oda t,,q 



Class IV. Insecta 400 



Sub Class I. Chilujjuda , 402 



