Mineralogy and Geology. 429 
be greatly reduced, and he rejects from the list no less than 18 which 
were formerly supposed to be identical with recent forms. He even 
groups of species, we can never reach a firm basis. The true principle 
seems to be sufficiently plain, and has, with few exceptions, been gene- 
rally followed. 
bames proposed by all authors who were not strictly binomial in 
their specific nomenclature. An author may name a genus, and give its 
an entirely different system in his “Zentamen Methodi Ostracologice.” 
“a 
each designated by a “phrase” according to the general 
pre-Linnzan authors. Witness, for instance, on p. 114 
above ed, where we find,—“Genus I, Patella integra. Species I, 
Striata. 1. Indica, major, striis planis,” etc. 2. “Cypria, strii Phd 
ete, and so on, including 22 species under the “species Striata,” until 
We come to “Species II, Reticuluta seu cluthrata” with 7 species; “Spe- 
cies II, Virgata vel circinnata,” with 4 species; “ Species IV, Levis,” 
With 5, and so on. Klein’s species in fact corres ond more nearly with 
san genera. Again, very many of his generic names are composed. 
-Of two words, and the most enthusiastic of his modern followers do not 
Am. Jour. Scr.—SEconp Series, VoL. XXXV, No. 105.—Max, 1863. 
55 
