CHONOSTROPHIA JERVENSIS Schuchert................. 
Fig. 1. A complete pedicle valve. Nearpass section, Locality 
ZAs 
2. A complete brachial valve. Same locality. 
DALMANELLA SUBCARINATA) (Elalll) s%. 2.0: ok Sone eee 
Vig. 53. A distorted pedicle valve. Nearpass section, Lécality 
CAs 
4. Posterior view of an incomplete individual. Same. lo- 
cality. 
REYNCHOTREMA, FORMOSUM: (Etall)in o. sa. = eee cee ee 
Figs. 5-8. Brachial, pedicle, lateral and anterior views of a complete 
individual. Nearpass section, locality 2A.™ 
REYNCHONELEA BIABVEATA: .EVAlI: soo clones elec o orate 
Fig. 9. An incomplete brachial valve. Nearpass section, Lo- 
cality 2A.* 
10. A pedicle valve. Same locality. 
RENSSELAER(IA  SUBGEOROSA “Nl, “Sp: ./., lesa esos oe aa 
Figs. 11-14. Pedicle, brachial, lateral and anterior views of a com-. 
plete individual. Nearpass section, Locality 24.8 
15-18. Pedicle, brachial, lateral and anterior views of another 
complete individual. Same locality. 
SPIRIFER SNEARPASS Tene wSps «cnc, ctecs sates ot miele eee Ole Se 
Figs. 19-22. Brachial, anterior, pedicle and lateral views of a complete 
Figs. 23, 24. 
Fig. 26. 
Figs. 27, 28. 
(440) 
5. An incomplete brachial valve. 
PLATE XLII. 
individual. Nearpass section, Locality 2A. (x4). 
CYRTENA. ROSTRATA Halles 27 2.05.2 aoe stew ace eerie 
Anterior and lateral views of an incomplete pedicle valve. 
Nearpass section, Locality 2A.% 
Same locality. 
SPIRIFER MURCHISOND (Castel. :2..2)....« o-oe eee eee 
A nearly complete brachial valve. Nearpass section, 
Locality 2A.* 
13 EPR esr omrcoe.c cls apcrnns pe 
Nearpass section, Lo- 
MERISTELLA PRINCEPS 
Two views of a brachial valve. 
cality 2 A.* 
PAGE. 
326 
326 
328 
327 
329 
330 
330 
329 
