10 LIBRI IN INGLESE ASSOCIATI CON «PLAGIOSTOMOUS»
Scopri l'uso di
plagiostomous nella seguente selezione bibliografica. Libri associati con
plagiostomous e piccoli estratti per contestualizzare il loro uso nella letteratura.
1
The Encyclopaedia Britannica, Or Dictionary of Arts, ...
The following genera of plagiostomous fishes have been Fig. 23. Centriscus
humerosus. founded on the fossil spines, or " ichthyodorulites," which have been
discovered in the " Devonian," or " Old Red Sandstone series." Onchus (
represented ...
2
The Encyclopaedia Britannica: Or, Dictionary of Arts, ...
The following genera of plagiostomous fishes have been mfg"; L '. shun'? , . f i 'it', .
. . Fig. 23. Centri'lcua humerosus. founded on the fossil spines, or “
ichthyodorulites,” which have been discovered in the “Devonian,” or “Old Red
Sandstone ...
Thomas Stewart Traill, 1859
3
The Encyclopædia Britannica, or, Dictionary of arts, ...
In the Plagiostomes the ^ base of the spine is hollow, becomes thin and smooth
when the body of the spine is sculptured, and is in the recent fish implanted in the
flesh. The following genera of plagiostomous fishes have been 117 Fig. 23.
4
Encyclopaedia Britannica: Or, Dictionary of Arts, Sciences, ...
... the newer deposits there is a progressive predominance of the endo-skeleton
over the exo-skeleton, so that the Placoids of that author, or the Plagiostomous
Chondropterygians are few in number in the present day compared to the
osseous ...
5
Lectures on the comparative anatomy and physiology of the ...
But the exterior of the skull is variously and singularly modified in the different
Plagiostomous genera, development proceeding from the advanced
cartilaginous stage just described, to establish peculiar plagiostomous characters
, and to adapt ...
Richard Owen (sir.), William White Cooper, 1846
6
Palaeontology: Or A Systematic Summary of Extinct Animals ...
No detached teeth unequivocally referable to. a plagiostomous genus, nor any
true ganoid scale of a fish, have yet been found in the formations that have
revealed these earliest known evidences of vertebrate animals. What then, it may
be ...
The evidences of plagiostomous fishes afforded by fossil spines will be here
pursued. In most of the existing cartilaginous fishes of this order the defensive
spine which stands erect in front of the dorsal fin is smooth ; such is the case in
the ...
Richard Owen, David Knight, 2003
8
On the anatomy of vertebrates
The more or less cartilaginous skull of the Plagiostomous fishes might be
histologically regarded as the transitional step from the Cyclostomous to the
Osseous fishes ; but, morphologically, it offers a different, apparently simpler type
; and one ...
9
Darwin's Fishes: An Encyclopedia of Ichthyology, Ecology, ...
Plagiostomous Earlier name for *cartilaginous fishes, especially *sharks and *
rays. Used by CD only once, when discussing reproduction: The males of
Plagiostomous fishes (sharks, rays) and of Chimaeroid fishes are provided with
claspers ...
10
Transactions of the Linnean Society
As regards the principal conditions of the organs of generation, the line of
demarcation cannot be drawn between the Amphibia and the Plagiostomous
Chondropterygii : and the structure of these organs in the Lepidosiren, while it
shows its ...
