After several weeks of painstaking search, I can now state definitely: argyrodite contains a new element, very similar to antimony and yet sharply distinguished from it, to which the name germanium shall be given.
Definition of Bergenia. 1 : a genus of perennial spring-blooming herbs (family Saxifragaceae) native to central and eastern Asia that have large thick rootstocks which produce typical colonies or clumps of plants with very thick heavy leaves.
Costia. Costia is a ciliated protozoan that can kill great numbers of fish in a very short time just like Chilodonilla. It can be active in cold water down to 45 degrees Fahrenheit. Small numbers of Costia are not uncommon and appear not be detrimental to the fishâs health.In small numbers these parasites seem to live on cellular debris in a commensalistic relationship with their fish host. It becomes a serious threat when, for various reasons, the parasite becomes established in large numbers.mall numbers of Costia are not uncommon and appear not be detrimental to the fishâs health. In small numbers these parasites seem to live on cellular debris in a commensalistic relationship with their fish host. It becomes a serious threat when, for various reasons, the parasite becomes established in large numbers.