359 Unio luteolus, two (Lamarck). Western New- 



York, Ohio, Kansas, Canada. 



360 Unio coccineus (Lea). Iowa, New York, Ohio, 



Kentucky. 



361 Unio subovatus, one (Lea). Illinois, Ohio, 



East Tennessee. 



362 Unio satur (Lea). New Mexico, Louisiana. 

 36} Unio lacrymosus, two (Lea). Ohio to Kansas. 



364 Unio trigonus, two (Lea). Western New York 



to Iowa. 



365 Unio ligamentinus, one (Lamarck). Nebraska 



and Kansas to Southern Louisiana. 



366 Pearls from American Unios, series representing 



variety of form and range of color. 



367 Pearls, six. Notch Brook, Paterson, New Jersey. 



Found in 1857 during the pearl excitement. 



368 Pearls from Unios. From Weymouth, Nova 



Scotia. 



369 Pearls, Unios. Found on the altar of one of the 



"Turner Group" of Indian mounds in the 

 Little Miami Valley, Ohio. 



370 Pearls, seven from Haliotis or Abalone shells. 



From the Gulf of California. 



371 Abalone Shells, two (Haliotis splendens). 



372 Abalone Shells, three (Haliotis cracherodon). 



373 Pearls, Abalone shell (Haliotis splendens), two. 



San Diego, California. 



374 Pearls, two from Haliotis splendens. Gulf of 



California. 



31 



