Wigs. 9-12. 
Figs. 138, 14. 
ila}, 35s 
Alte 
18-21. 
(426) 
PLATE XXVIII. 
GVPID WE AS CATA AL VC) alley) pretepencee rareenete se ie iene cnsicmee aeherereie 
. Two views of a very elongate pedicle valve. Peters Val- 
ley, Locality 87 A. 
. Two views of an average-sized pedicle valve. Same lo- 
cality. 
. Two smaller pedicle valves. Same locality. 
. A small brachial valve. Same locality. 
. A large brachial valve. Flatbrookville, Locality 109 A. 
GYPIDULA GALEATA (Dal.). var 
ea hee (al fe) (eh le)/)\s) (e) «, ofelletetial (avelatate 
Brachial, pedicle, lateral and anterior views of a nearly 
complete individual. Near Hainesville, Locality 15 C. 
GYPIDULA ANGULATA Nl. Sp 
‘e/a! (a) (e| b)@) © (0) 18J0)'e) ee = (a jee, 6) 6) ee. tel cyeenaia 
Two pedicle valves. Near Hainesville, Locality 15 C. 
Brachial and lateral views of a nearly complete individual. 
Same locality. 
A brachial valve. Same locality. 
Pedicle, brachial, lateral and anterior views of a young 
individual. Same locality. (x2). 
PAGE. 
279 
280 
280 
