Acephala ; KElatobranchiata, 65 
Modiola, Lam. 
papuana, Lam. 
tulipa, Lam. (Mytilus modiolus, L.) 
barbata, Lam. (Mytilus barbatus, L.) 
Lithodomus, Cuv. - 
dactylus Sow. (Modiola lithophaga, Lam., 
Mytilus lithophagus, L.) 
a. ellipticus, laevigatus. 
b. Jinearizs, striis rectis, 
c. linearis, striis obliquatis. 
Fam. 2. Naiades, Lam. 
Iridina, Lam. 
Anodonta, Lam. 
cellensis, Pf. (Mytilus cellensis, Gm.) 
a. cardine edentulo, 
b. cardine dentifero, (Anod, dentiens, m,, olun.) 
cygnea, Lam. (Mytilus cygneus, Gm.) 
ventricosa, Pf. 
ponderosa, Pf. (Mytilus griseus, Schroet.) 
anatina, Pf. (Myülus anatinus, L.) 
intermedia, Lani, 
a, malor. 
b. minor. 
rubens, Lam. A 
| trapezialis, Lam. (Anodon giganteus, Spix.) 
Hyria, Lam. 
cordata, m. (H. avicularis, b, Lam.). 
. Unio, Retz. | : 
sinuatus, Lam. (Mya margaritifera, L.) 
margaritiferus, Gaertn, (Un, elongata, Lam.) 
obliquus, Lam. 
retusus, Liam. 
^ 
rarisulcatus, Lam, 
