ED EEE FR 
152 
Die Unioniden Südamerikas. 
Unio lacteolus Lea. 
borroughianus Lea. 
„ parallelepipedon Lea. 
trifidus Lea. 
guaranianus Orb. 
Castalina psammoica Orb. 
Castalia ambigua Lam. var. inflata Orb. 
Aplodon paraguayanus Orb. 
„ parchappi Orb. 
8 corrientensis Orb. 
Plagiodon isocardioides Lea. 
Fossula fossiculifera Orb. 
Glabaris lucida Orb. 
mortoniana Lea (weddeli Hupe). 
” 
A trigona Spix. 
er soleniformis Orb. 
tenebricosa Lea. 
R limnoica Orb. 
h trapezialis Lam. 
3 riograndensis v. Ih. 
8 susannae Griff. 
n puelchana Orb. 
5 patagonica Lam. 
a latomarginata Lea. 
n trapezia Spix. 
„ rotunda Lea (Obs. X p. 13). 
“ brevis Sow. 
n sirionos Orb. 
s bergi v. Ih. sp. n. (= sinuosa Kust. nec Lam.). 
„  wymanni Lea (coll. v. Ih.). 
Leila blainvilleana Lea. 
Mycetopus siliquosus Orb. 
