Invertebraia — MoUiiRca. 



81 Protozoa 

 ,1 Khizopoda 

 •S Foraminifera 

 •8 Ueliozoa 

 •4 Kadiolaria 

 • 5 InfuBoria 

 •0 Flagellata 

 •7 Ciliata 



Cap. XVI. 59.2 INVERTEEEATA. 



Cap. XVII. 59.31 Protozoa. 



31.75 Suctoria 



.9 Sporozoa 

 .91 Gregarinidae 

 .9i Coccldia 

 .926 Haematozoa 

 .93 Sarcosporidia 

 .94 Myxosporidiij 

 .9.5 Microsporidia 



Cap. XVIII. 59.33 Coelentorata. 



Cap. XIX. 59.34 Spongiae, Porifera. 



84 Spongiae, Porifera 

 .1 Myxospongiae 

 .2 Ceratospongiae 

 .3 Halichondriae, Monactinellida 



34.4 Liihospongiae Tctractinellid.i 

 .5 Hyaloepongiae, iiexactiiicllida 

 .6 Calcispou^iae 



85 Cnidaria 



86 Actiuozoa 

 .1 Rugosa, Tetracorallia. 

 .2 Alcyoiiaria, Octocorallia 

 •3 Zoantharia, Hexacorallia 

 •4 Antipatharia 

 .5 Actinaria 

 ,6 Madreporaria 



87 Hydrozoa 



Cap. XX. 59.36—38 Cnidaria. 



37.1 Hydro-medusae, Griiptolitha 



.2 Siphonophora 



.3 Acalephae 



.4 Calycozoa 



.5 Rhizostomidng 



,6 Marsuj.ialiuii 



.7 Discophora 

 38 Ctenopliora 



Cap. XXI. 59.39 Echinoderma (incl. Enteropneusta). 



89 Echiuodernui 



•1 Crinoidea, Pelmatozoa 

 .2 Asterozoa 

 .3 Asteroidea 

 ,4 Ophiuroidea 



39.5 Echinoidea 

 .6 Holothurioidea 

 .7 Pedata, Elasipoda 

 .8 Apoda 

 .9 Enteropneusta 



Mollusca 



.1 Laraellibranchia 

 •2 Scaphopoda 

 .8 Gastropoda 

 .31 Amphineura 

 .32 Prosobranchia 

 .34 Heteropoda 

 .35 Opisthobranchia 

 .36 Nudibranchia 

 .37 Tectibranchia 



Cap. XXII. 59.4—4.5 Mollusca. 



4.38 Pulmonata 

 .4 Pteropoda 

 .5 Ce[)halopoda 

 .51 Tetrabranchia 

 .52 

 .53 



Nautiloidea 

 Ammonitae 

 .55 Dibranchia 

 .56 Octopoda 

 .58 Decapoda 



