Invertebrata - Mnllusoa. 



81 Protozoa 

 .1 Rhizopoda 

 .2 Poraminii'era 

 .3 Heliocoa 

 .4 Kadiolaria 

 .5 Infusoria 

 .6 Flagellnta 

 .7 Ciliata 



Cap. XVI. 59.2 INVERTEBRATA. 



Cap. XVII. 59.31 Protozoa. 



31.75 Suctoria 

 .9 Sporozoa 

 .91 Gregarinidae 

 .92 Coccidia 

 .926 Haematuzoa 

 .93 Sarcosporidia 

 .94 Myxosporidia 

 .95 Microsporidia 



Cap. XVIII. 59.33 Coelenterata. 



Cap. XIX. 59.34 Spongiae, Porifera. 



84 Spougiae, Porifera 

 .1 Myxospongiae 

 .2 Ceratospongiae 

 .8 Halichondriae, Monactinellida 



34.4 Lithospongiae Tetraetinellida 

 .5 Hyalospongiae, liexactinellida 

 .G Calcispongiae 



Cap. XX. 59.35—38 Cnidaria. 



85 Cnidaria 



86 Ai-tiuozoa 



.1 ltugosa, Tetrucorallia. 

 .2 Alcyonaria, Octocorallia 

 .3 Zoantharia, Hexaoorullia 

 .4 Antipatharia 

 .5 Actinaria 

 .6 Madreporaria 



87 Hydrozoa 



37.1 Hydromedusae, Graptolitha 



.2 Siphonophora 



.3 Acalephae 



.4 Calycozoa 



.5 Rhizostoinidae 



.6 Marsupialida 



.7 Discophora 

 88 Ctenophora 



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



89 Echlnoderma 



•1 Crinoidea, Pelmatozoa 

 .2 Asterozoa 

 .3 Asteroidea 

 .4 Ophiuroidea 



39.5 Echinoidea 

 .6 Holothurioidea 

 .7 Pedata, Elasipoda 

 .8 Apoda 

 .9 Enteropneusta 



Mollusca 



.1 Lamellibranchia 

 .2 Scaphopoda 

 .3 Gastropoda 



.31 A u:] 'hi neurit 

 .32 Prosobranchia 

 .34 Heteropoda 

 .35 Opisthobranchia 

 .36 Nudibranchia 

 .37 Tectibranchia 



Cap. XXII. 59.4-4.5 Mollusca. 



4.38 Pulmonata 

 .4 Pteropoda 

 .5 Cephalopoda 

 .51 Tetrabranchia 

 .52 

 .53 



Nautiloidea 

 Ammonitae 

 .55 Dibranchia 

 .56 Octopoda 

 .68 Decapoda 



