Xll 



TABLE OP CONTEXTS. 



I'AOE 



CHAPTER XI. ANNELIDA <,,?</. 



Sub-order :3. Tercbelli/ormia 484 



4. Capitelliformia 486 



5. Scol'-i-ij'ormin . 487 

 Cryptocephala . 490 



Sub-order 1. x<il>,>]] ;/',>r,i/in . 490 

 ,, 2. //' fun Hii'tiruiiii 491 



,, 

 ,, 



Myzostomida 

 Order 2. Oligochaeta . 



Sub-order 1. Z/////<-i>/"< 

 2. 



492 

 493 



508 

 509 



Class III. HIRUDINEA . 512 



,, IV. ECHIUROIDEA 



(KEPHYREA ARMATA) 527 



CHAPTER XII. 



PHYLUM SIPUNCULOIDEA 



(GEPHYREA ACHAETA) 534 



CHAPTER XIII. 

 PHYLUM PRIAPULOIDEA . 



CHAPTER XIV. 

 PHYLUM PHORONIDEA . 



CHAPTER XV. 

 PHYLUM POLYZOA . 

 Class I. ECTOPROCTA . 

 II. EXTOPROCTA . 



CHAPTER XVI. 

 PHYLUM BRACHIOPODA . 



Order 1. Ecardines 

 ,, 2. Testicardines . 

 4 

 CHAPTER XVII. 



PHYLUM CHAETOGNATHA 



PAGE 



. 540 



. 542 



. f.49 

 . 564 

 . 568 



. f.73 



. 585 



. 585 



. 586 



