 | 1855 - 490 páginas
...one region which do not range into the next above whilst they extend to that below, or vice versa ; a certain species have their maximum of development...they may be regarded as especially characteristic. Every zone has also a more or less general mineral character, the sea bottom not being equally variable... | |
 | 1855 - 990 páginas
...one region which do not range into the next above whilst they extend to that below, or vice versa ; a certain species have their maximum of development...they may be regarded as especially characteristic. Every zone has also a more or less general mineral character, the sea bottom not being equally variable... | |
 | John Holmes Agnew - 1843 - 614 páginas
...are found in no other; several are found in one region which do not range into the next above, while they extend to that below, or vice versa. Certain...their maximum, and of which they may be regarded as characteristic. Mingled with the true natives of every zone are strangers, owing their presence to... | |
 | Geological Society of London - 1855 - 802 páginas
...regions are distinguished from each other by the association of the species they severally include. Certain species in each are found in no other, several...they may be regarded as especially characteristic. Every zone has also a more or less general mineral character, the sea bottom not being equally variable... | |
 | Henry Thomas De La Beche - 1851 - 718 páginas
...Certain species," he adds, " have their maximum of development in each zone, being most prolific of individuals in that zone in which is their maximum,...stragglers, owing their presence to the action of secondary influences which modify distribution. Every zone has also a more or less general mineral... | |
 | Henry Thomas De La Beche - 1853 - 806 páginas
...Certain species," he adds, " have their maximum of development in each zone, being most prolific of individuals in that zone in which is their maximum,...presence to the action of the secondary influences wKch modify distribution. Every zone has also a more or less general mineral character, the sea bottom... | |
 | William Henry Smyth - 1854 - 544 páginas
...Certain species have their maximum of development in each zone, being most prolific in individuals at that zone in which is their maximum, and of which...every zone are stragglers, owing their presence to the secondary influences which modify distribution. Every zone has also a more or less general mineral... | |
 | 1855 - 484 páginas
...one region which do not range into the next above whilst they extend to that below, or vice versa ; a certain species have their maximum of development...they may be regarded as especially characteristic. Every zone has also a more or less general mineral character, the sea bottom not being equally variable... | |
 | Geological Society of London - 1855 - 814 páginas
...one region which do not range into the next above, whilst they extend to that below, or vice versfi ; certain species have their maximum of development...they may be regarded as especially characteristic. Every zone has also a more or less general mineral character, the sea bottom not being equally variable... | |
 | William Lindsay Alexander, John Kitto - 1864 - 936 páginas
...Certain species have their maximum of development in each zone, being most prolific in individuals at that zone in which is their maximum, and of which...regarded as especially characteristic. Mingled with these true natives are stragglers, owing their presence to the secondary influences which modify distribution.'... | |
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Certain species in each are found in no other, several are found in one region which do not range into the next above, whilst they extend to that below, or vice versa. Certain species have their maximum of development in each zone, being most prolific... 
