 | 1848 - 446 lehte
...8000 or 10,000. There are collections of marine shells, bivalve and univalve, which amount to 5000 or 6000 ; and collections of land and fluviatile shells, which count as many as 2000. The total number of molluscs would, therefore, probably exceed 15,000 species. Among the articulated animals, it is difficult... | |
 | 1850 - 440 lehte
...amount to 5,000 or 7,000 ; and collections of land and fluviatile shells, which count as many as 2,000. The total number of mollusks would, therefore, probably...There are collections of coleopterous insects which nmuber 20,000 to 25,000 species; and it is quite probable, that, by uniting the principal collections... | |
 | 1850 - 436 lehte
...10,000. There are collections of marine shells, bivalve and univalve, which amount to 5,000 or 7.000; and collections of land and fluviatile shells, which count as many as 2,000. The total number of mollusks would, therefore, probably exceed 15,000 species. Among the articulated... | |
 | George Johnston - 1850 - 634 lehte
...10,000. There are collections of marine shells, bivalve and univalve, which amount to 5,000 or 6,000 ; and collections of land and fluviatile shells, which count as many as 2,000. The total number of Mollusks would therefore probably exceed 15,000 species." — Agassiz and... | |
 | 1852 - 436 lehte
...probably reaches 8 or 10,000. There are collections of marine shells, bivalve, and univalve, which amount to 5 or 6000 ; and collections of land and fluviatile shells, which connt as many as 2000. The total number of mollusks would therefore probably exceed 15,000 species.... | |
 | 1856 - 852 lehte
...land and fluviatile shells 2,000, making the total number of species of molluscs more than 15,000. Of the articulated animals it is difficult to estimate the number of species. There are probably 60,000 or 80,000 species of insects, and in the department of articulata, comprising Crustacea,... | |
 | Louis Agassiz, Augustus Addison Gould - 1857 - 254 lehte
...collections probably reaches 8 or 10,000. There are collections of marine shells, bivalve and univalve, which amount to 5 or 6000 ; and collections of land and...number of mollusks would, therefore, probably exceed 1 ^0 species. Among the articulated animals it is difficult to estimate the number of species. There... | |
 | John Timbs - 1857 - 444 lehte
...10,000. There are collections of marine shells, bivalve and univalve, which amount to 5,000 or 6,000 ; and collections of land and fluviatile shells, which count as many as 2,000. The total number of Molluscs would, therefore, probably exceed 16,000 species. Among the articulated... | |
 | Thomas Rymer Jones - 1865 - 624 lehte
...10,000. There are cabinets of marine shells, bivalve and univalve, which contain from 5,000 or 6,000, and collections of land and fluviatile shells which count as many as 2,000. The total number of Mollusks, therefore, probably exceeds 15,000 species. The Mollusca can only... | |
 | Louis Agassiz, Augustus Addison Gould - 1869 - 256 lehte
...marine shells, bivalve and uaii-valve, which amount to 5 or 6000 ; and collections of land and nuviatile shells, which count as many as 2000. The total number...articulated animals it is difficult to estimate the number o? species. Tk>er>e are collections of -coleopterous insects which number '20 Ho 25.000 species ; and... | |
| |
There are collections of marine shells, bivalve and univalve, which amount to 5 or 6000; and collections of land and fluviatile shells, which count as many as 2000. The total number of mollusks would, therefore, probably exceed 15,000 species. 