313 
Margaritana Schum. 
Holstoniana Lea no. 15 1. 100 f.4. 
margaritiferaLin. n.l p. 293 1. 38 1. 39 f.2 — 4. 
marginata Say no.8 t.99 1.3. 
radiata Conr. no.16 t.lOO f.5. 
Raveneliana Lea no.7 t.99 f.2. 
rugosa Jay. p. 200 no. 173. 
triangulata Lea no. 17 1. 100 f6. 
und ul ata Say. no. 9 t.99 f.4. 
von dem Buschiana Lea no. 5 t. 98 f3. 
Z 0 1 1 i n g e r i M o u s s. no. 5 t. 98 fl. 
Metaplera Rafin. 
megaptera Raf p. 16 no. 1. 
M o_n 0 c 0 n d y 1 a e a d ’ 0 r b. p. 304. 
planul ata Lea no. 2 1. 100 f 8. 
rhomboidea Lea no. 1 t. 100 f 7. 
Mya Lin. 
batava Dillw. p. 121 no. 79. 
complanata Sol. p. 138 no. 91. 
corrugata Müll. p. 289 no.309. 
margarilifera Lin. p. 130 no. 85. 
membranacea Maton p. 284 no. 299. 
pictorum Sturm p. 88 no. 59. 
rugosa Gmelin p. 290 no. 310. 
rugulosa Wood p. 297 no. 8. 
syrmatophora Gron. p. 141 no. 2. 
undulata Wood p. 298 no. 9. 
Niaea Swains. 
aurata Sw. p. 161 no. 116. 
Obliqiiaria Rafin. 
quadriila Raf p. 184 no. 150. 
scyphia Raf p. 181 no. 146. 
Paxyodon Schum, 
ponderosus Schum, p. 141 no. 2. 
Plagiodon Lea p. 292. 
isocardioides Lea no. 1. t. 97. f8 — 10. 
Symphonota. 
alata Lea p. 16 no. 1. 
complanata Lea p. 199 no. 172. 
discoidea Lea 
globosa Lea p. 21 no. 5. 
gracilis Lea p. 20 no. 4. 
inflata Lea p. 17 no. 2. 
ochracea Lea p. 164 no. 120. 
tennuissima Lea p. 198 no. 170. 
Tetraplodon Spix. 
pectinatum Spix p, 165 no. 122. 
Triplodon Spix. 
rugosus Spix p. 140 no. 1. 
U n i 0 B r u g. p. 7. 
abruptus Say p. 23 no. 7. 
ae gyp ti a c u s Gail f no. 111 t. 45 f 2 t. 81 
f. 3 p. 243. 
aesopus Green p. 181 no. 146. 
alabamensis Conr. p. 27 no. 2. 
a latus Say no. 1 1. 1 fl. 
ambiguus Lam. no. 122 t.48 fl. 
ainbiguus Phil. p. 235 no. 225. 
ambigua Say p. 206 no.l83. 
amnicus Zglr. no. 65 t. 27 f2. 
angustatus Lea no. 141 t.56 f4. 
anodontinus Lam. no. 232 t. 80 f5. 
A r a d a e Phil. no. 70 t. 28 f 6. 
araucanus Phil, no.297 1.95 f.3. 
Area Held p. 77 no. 57. 
arcaeformis Lea p. 69 no. 54. 
arctatus Conr. no. 166 t. 62 f3. 
arctior Lea no. 143 t.56 f 6. 
argenteus Lea no. 155 t. 59 f 4 t. 76 f 3 
p. 225. 
asperrimus Lea p. 184 no. 150. 
ater Nilss. no.76 t.31 fl. 2. 6 t.32 f 1 — 4. 
atro marginal US Lea no. 247 t. 84 f2. 
atrovirens Schm. p. 108 no. 72. 
auratus Phil. p. 161 no. 86. 
auratus Swains. no. 116 t.46 f3. 
LX. 2. 
40 
