THE BYKAM CALCAREOUS MARL OF MISSISSIPPI. 

 Species of corals, vwllushs, and echinoderms froni the Bijram calcareous marl — Continued. 



85 



The following list enumerates the species 

 of Bryozoa which have been recorded by Canu 

 and Bassler ^ from the Byram marl in Missis- 

 sippi. The initials B and W indicate that the 

 species so marked occur at Byram and Wood- 

 wards, respectively. Those marked V are 

 from Vicksburg, but whether from the B^Tam 

 marl or from the Mint Spring marl is not 

 recorded. Material from both horizons was 

 studied by Canu and Bassler. The letters 

 R, C, and J signify that the species so marked 

 occur also in deposits of Red Bluff, Claiborne, 

 or Jackson age. 



\' Conopeum concavnm Canu and Bassler. 



JB Hinksina ocalensis Canu and Bassler. 



V Merabrendoecium lowei Canu and Bassler. 



V Menibrani]3oridra siinilis Canu and Bassler. 



W Stamenocella infera\'iculifera Canu and Bassler. 



W Stamenocella grandis Canu and Bassler. 



W Scrupocellaria cookei ('sum and Bassler. 



W Scrupocellaria mlliardi Canu and Bassler. 



W Scrupocellaria clausa ('anu and Bassler. 

 VBW Nellia oculata Busk. 



JB Nellia bifaciata Canu and Bassler. 



B Diplopholeos lineatxun ( !'anu and Bassler. 

 ■IB Floridina antiqua Smitt. 



1 Canu, Ferdinand, and Bassler, R. S., North American early Ter- 

 tiary Bryozoa: U. S. Nat. Mus. Bull. 100, pp. 34-38, 1920. 



RVBW Lunidaria (Oligotresium) \-icksl5urgensis Conrad. 

 \^ Lunularia tintinabula Canu and Bassler. 

 JB Puellina radiata anaticula Canti and Bassler. 



B Gephyrotes spectabilis Canu and Bassler. 

 B\V Arachnopusia \'icksburgica Canu and Bassler. 

 BW Try])ostega venusta Noiinan. 

 JB Hippoporina hicens Canu and Bassler. 

 JAV nipporaenella crassicollis Canti and Bassler. 

 RB nippodiplosia baccata Canu and Bassler. 

 YB nippodiplosia strangulata Canu and Bassler. 

 BW Enoplostomella sjTithetica Canu and Bassler. 



B Enoplostiimella inagniporosa Canu and Bassler. 

 BW Porella compacta Canu and Bassler. 

 W Retejiora laciniosa Canu and Bassler. 

 VBW Tubucellaria ^dcksluirgica Canu and Bassler. 



V Metrarabdotds moniliferuin Edwards and Haiine. 

 W Meniscopora elliptica Canu and Bassler. 



RB Adeonellopsis galeata Canu and Bassler. 

 B Adeonellopsis cyclops Canu and Bassler. 

 B Perigastrella jjlana Canu and Bassler. 



V Osthiinosia glomerata Crabb and Horn. 



B IIcilo])orella peristoinaria Canu and Bassler. 



W Fedora pusilla Canu and Bassler. 

 BW Oncousoecia quinqueseriata Caini and Bassler. 



W Mecyuoecia seinota Canu and Bassler. 



W Exochoecia rugosa Canu and Bassler. 



W Diaperoecia clara Canu and Bassler. 

 CJ\'W Pleuronea subpertusa Canu and Bassler. 

 A' Pleuronea fenestrate Busk. 

 JW Idmonea milneana D'Orbigny. 

 JAV Idmonea ]>etri D'Archiac. 



W Idmonea triforata Canu. 



