8 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 78 



Arislozoe troyensis FoTd= Aluta troyensis. 



Beyrichia angelini 'BarTSinde = Polyphyma angelini. 



Beyrichia angelini armata GronwaU. — Polyphyma armata. 



Beyrichia hollii Jones = Aluta hollii. 



Beyrichia? primaeva Matthew =Bradona primaeva. 



Beyrichia triceps Matthew =Beyrichona triceps. 



Beyrichona Matthew. 



Beyrichona alia Wiman Lower Cambrian (Sweden). 



Beyrichona faba Wiman Lower Cambrian (Sweden) . 



Beyrichona gevalensis Wiman Lower Cambrian (Sweden). 



Beyrichona ovata (Matthew) Lower Cambrian (Hanfordian, C162). 



Beyrichona papilio Matthew Lower Cambrian (Hanfordian, C162-C164). 



Beyrichona planata Matthew — Beyrichona tinea planata. 



Beyrichona rotundata Matthew Lower Cambrian (Hanfordian, C162, C163). 



Beyrichona? rutellum (Matthew) Lower Cambrian (Etcheminian, E3/). 



Beyrichona tinea Matthew Lower Cambrian (Hanfordian, C1&2-C164). 



Beyrichona tineaplanata (Matthew). .Lower Cambrian (Hanfordian, C161-C163). 



Beyrichona tinea triangula (Matthew) Lower Cambrian (Hanfordian, C1&3). 



Beyrichona triangula Matthew (part) = B. tinea triangula. 

 Beyrichona triangula Matthew (part) = Beyrichona papilio. 



Beyrichona triceps (Matthew) __ Middle Cambrian (Johannian, C2b). 



Bradoria Matthew. 

 Bradoria acuta (Matthew) 



Lower Cambrian (Etcheminian, Elb-Eld, E26, E2c, E3a, E3c, E3/). 



Bradoria aurora (Matthew) Lower Cambrian (Hanfordian, C161). 



Bradoria benepuncta (Matthew) 



Lower Cambrian (Hanfordian, C163; Etcheminian, E1&, Eld, E2a, E2b, E3d). 

 Bradoriabenepuncta spissa, new variety. .Lower Cambrian (Etcheminian, Elb,E2b). 

 Bradoria bergeroni Wa]cott= Aluta bergeroni. 



Bradoria cambrica (Matthew) Lower Cambrian (Hanfordian, CI 63). 



Bradoria concinna (Matthew) Lower Cambrian (Etcheminian, Elc, Eld). 



Bradoria curta, nevf species Lower Cambrian (Etcheminian, E3a). 



Bradoria douvillei Mansuy = Aluta douvillei. 



Bradoria elongata, new species Lower Cambrian (Etcheminian, E26, E3rf). 



Bradoria enyo Waleott^ Aluta enyo. 

 Bradoria eros 'Wa\cott = Aluta eros. 



Bradoria fennicus (Wiman) Cambrian (Sweden) . 



Bradoria fragilis Walcott — A luta fragilis. 



Bradoria hicksi (Jones) Cambrian (Wales). 



Bradoria medialis, new species Lower Cambrian (Etcheminian, E2&). 



Bradoria minor (Matthew) Lower Cambrian (Hanfordian, Clb3). 



Bradoria nitida (Wiman) Cambrian (Sweden). 



Bradoria obesa (Matthew).. Lower Cambrian (Etcheminian, E16-Eld, E2b, EZd). 

 Bradoria observator Matthew = B. perspicator. 



Bradoria oculata (Matthew) Lower Cambrian (Hanfordian, ClbS). 



Bradoria ornata (Matthew) Lower Cambrian (Etcheminian, Elc). 



Bradoria ovalis (Matthew) Lower Cambrian (Etcheminian, Ele, E2b, E3e) 



Bradoria ovalis mut prima Matthew Lower Cambrian (Coldbrookian). 



Bradoria perspicator (Matthew).. Lower Cambrian (Etcheminian, Eld, E2o, E26). 



Bradoria primaeva (Matthew) Lower Cambrian (Hanfordian, CI 6). 



Bradoria robusta (Matthew) 



Lower Cambrian (Hanfordian, C16; Etcheminian, E16-Eld, E2a, E26, EBd-EZf). 

 Bradoria robusta longula, new variety Lower Cambrian (Etcheminian, El 6). 



