TABLE OF CONTENTS. 



CHAPTER XI. ANNELIDA contd. 



PAOE 



Sub-order 3. Terebelliformia 484 



,, 4. Capitelliformia 486 



,, 5. Scoleciformia . 487 



Cryptocephala . 490 



Sub-order 1. Sdbelliformia . 490 

 ,, 2. Hermelliformia, 491 



Myzostoniida 



Order 2. Oligochaeta . 



Sub -order 1. Limicolae 



2. Terricolae 



492 

 49? 

 508 

 509 



512 



Class III. HIRUDINEA 



IV. ECHIUROIDEA 



(GEPHYREA ARMATA) 527 



CHAPTER XII. 



PHYLUM SIPUNCULOIDEA 



(GEPHYREA ACHAETA) 534 



CHAPTER XIII. 



PAGE 



PHYLUM PRIAPULOIDEA . . 540 



CHAPTER XIV. 



PHYLUM PHORONIDEA . . 542 



CHAPTER XV. 



PHYLUM POLYZOA . . .549 



Class I. ECTOPROCTA . . 564 



,, II. ENTOPROCTA. . 568 



CHAPTER XVI. 



PHYLUM BRACHIOPODA . . 573 



Order 1. Ecardines . . 585 



,, 2. Testicardines . . 585 



CHAPTER XVII. 



PHYLUM CHAETOGNATHA . 586 



