xii TABLE OF CONTENTS. 



THE ANIMAL KINGDOM. 



A. METAZOA, p. 333, 

 (a) Coelomata, p. 333. 



PAGE 



I. CHORDATA . . 333 



*Vertebrata . ..... 335 



**Amniota . . . . . 359 



(i) Mammalia . . 359 



Sauropsida .......... 372 



(ii) Aves . . 373 



(iii) Reptilia ... . . . . . . .381 



**Anamniota s. Ichthyopsida 393 



(iv) Amphibia ......... 394 



(v) Pisces . 409 



(vi) Cyclostomi ...... ,432 



*Cephalochorda s. Pharyngobranchii . . 437 



*Urochorda s. Tunicata .441 



II. MOLLUSCA . __L^._ 448 



*Glossophora . . g. . f; s," 456 



(i) Cephalopoda . . . . 7^ . . 456 



(ii) Scaphopoda .... . . . . . 466 



(iii) Pteropoda . --\.^ t , , . . . 467 



(iv) Gastropoda , . . . . 469 



(a) Isopleura . . . , . . . . 470 



(b) Anisopleura . . * . . . . 472 

 *Lipocephala ......;.... 484 



(v) Lamellibranchiata . , , . . . . 484 



III. ARTHROPODA . .4 * . , 490 



(i) Insecta . ... . . . . 497 



(ii) Myriapoda , , . , . . 514 



(iii) Protracheata " ^ .- . . , . . . 519 



(iv) Arachnida IT . . . , . I . 522 



(v) Crustacea . . , , . " , . 531 



Pycnogonidae . . . . . . . .542 



IV. ECHINODERMATA 543 



(i) Holothurioidea 549 



Echinozoa . . . . - . . . . . 554 



(ii) Echinoidea . . . . . . . 554 



(iii) Asteroidea . . . . " . . . 563 



(iv) Ophiuroidea . . . . . . . .567 



Pelmatozoa . , \ . . . . . . . . 570 



(v) Crinoidea \. . . . . . . , 570 



(vi) Cystoidea . /.. .- ... . . . 577 



(vii) Blastoidea f . , . . . . . . 577 



