The Jewish scholar, Dr. Kalisch, not only rejects this interpretation of the word day, but admits that it would not reconcile Genesis with science if allowed. He says: "The device that the days denote epochs is not only arbitrary, but ineffective, for the six epochs of the Mosaic creation correspond in no manner with the gradual formation of cosmos." According to Genesis the creation of organic life occupied but three of these six days. The order of creation for these three days, or periods, is as follows: 1. (3d day) Land plants; 2. (5th day) aquatic animals, birds; 3. (6th day) Mammals, reptiles, man. Is this confirmed by science? Passing Lyell by, let us cite our more orthodox Dana. Dr. Dana, who professed to believe that the study of Geology tended "to strengthen faith in the Book of books," gives the several geological ages, together with the successive appearances of organic life, as follows: 1. Archæan Age--Lowest marine life, if any; 2. Silurian Age--Invertebrates, marine plants; 3. Devonian Age--Fish, earliest appearance of land plants; 4. Carboniferous Age--Luxuriant vegetation, lowest forms of reptiles; 5. Reptilian Age--Highest forms of reptiles; 6. Tertiary Age--Birds, mammals; 7. Quaternary Age--Man. Even Dana cannot reconcile Genesis with Geology. Genesis tells us that the earliest organic life was terrestrial vegetation; Geology tells us that ages of organic life passed before terrestrial plants appeared. Genesis tells us that fish and fowls were created at the same time; Geology tells us that the finny tribes existed ages before the feathered tribes appeared. Genesis tells us that mammals and reptiles were created at the same time; Geology tells us that while reptiles existed in the Carboniferous age, mammals did not appear until the close of the Reptilian age. Genesis tells us that birds appeared before reptiles; Geology tells us that reptiles existed first. Genesis tells us that life existed first upon the land; Geology tells us that the sea teemed with animal and vegetable life ages before it appeared upon the land. The seven ages of Geology comprise twenty-five geological periods. Genesis recognizes but six periods in the creation of the entire universe; Geology recognizes twenty-five periods in the formation of earth's crust alone. According to Bible chronology, the universe is less than six thousand years old; according to Geology, the mere existence of life upon earth's crust, which is as but a day compared with the existence of the universe, is probably nearly fifty millions of years. Dr. Dana says: "If time from the commencement of the Silurian included 48 millions of years, which some geologists would pronounce much too low an estimate, the Paleozoic part [Silurian, Devonian, and Carboniferous], according to the above ratio, would comprise 36 millions, the Mesozoic [Reptilian] 9 millions, and the Cenozoic [Tertiary and Quaternary] 3 millions" (Text Book of Geology, p. 329).