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Cassidulus 
SYSTEMATIC INDEX. . 
Sepedon $11 Anachites 
Tetanocera aly Clypeaster 
Micropeza 311 Fibularia 
Calobota 312 Spatangus 
Diopsis 313 Brissoides 
Cephalia 313 ~ Brissus 
Sepsis 313 Holothuria 
Ortalis 314 |. APODA 
meerene 7 Molpadia 
ephritis 3 Ries 
eircinma oH Us) M mae 
“Celyphus 316 ; Priapulus 
auxania 316 Lithoderma 
Timia 316 Sipunculus 
Matte a Bonellia 
pi 3 Thalassema 
Heres 317 Thalassema proper 
J epomy 2a Shy. Echiurus 
Lonchza Sly, Stesnianen 
Phora 317 : Dae 
PUPIPARA 318 | ENTOZOA 
Hippobosca 321 NEMATOIDEA 
Hippobosca proper 322 Filaria 
Ornithomyia 322 is Trichocephalus 
Feronia 322 Trichostoma 
Stenepteryx 322 Oxyuris 
Oxypterum 322 Cucullanus 
Strebla 323 Ovhi 
Melophagus 323 P ipstome 
Lipotena 323 Ascaris 
Nycteribia $23 Strongylus 
Barula 323 Spiroptera 
; Physaloptera 
tADIATA 325 Sclerostoma 
“ECHINODERMATA 329 Saeki tas 
sary ars Is pad Prionoderma 
sterlas 330 if 
Asterias proper 331 peo ie 
= Ophiura 333 ees proper 
Euryales (Gorgono- Sake 2 
. >, cephala, Leach) $33 ae Datel 
* Comatula (Alecto, roy eee 
Leach) 333 Seen 
Encrinus 334 Giindraeantins 
Apiocrinites 334 : 
Fedhites 334 Nemei tes 
_ . Pentacrinus a0 t abularia 
®  Platycrinites 334 Ophiocephalus 
£ Hee ccunites 334 Cerebratula 
Cyathocrinites 334 
Actinocrinites 334 PARENCHYMATA 
Rhodocrinites 335 ACANTHOCEEHALA 
Eugeniacrinites 335 Echinorhynchus 
Echinus 33 Heruca 
i: 4 Echinus proper 336 gage OL) Li 
ais, Echinoneus 337 Fasciola s 
Ss Nucleolites 833 Festucaria 
Galerites 338 Strigea 
Scutella 338 Caryophylleus 
Rotula 33 Distoma 
339 Holostoma 
