The American Naturalist, Volume 6Essex Institute, 1872 |
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Página vii
... Genus of Ungulates , p . 438. Boulders in Coal , p . 439. Food of Plesiosaurus , p . 439 . New and Remarkable Fossils , p . 495. Oil Creek Petroleum known in the last Century , p . 638. Extinction of Birds in Mauritius , etc. , p . 694 ...
... Genus of Ungulates , p . 438. Boulders in Coal , p . 439. Food of Plesiosaurus , p . 439 . New and Remarkable Fossils , p . 495. Oil Creek Petroleum known in the last Century , p . 638. Extinction of Birds in Mauritius , etc. , p . 694 ...
Página 2
... genus with Notidanus , perhaps also Jurassic - like forms . Among Chima- roids we may expect some new genera more closely related to the extinct types of that family than those now living . Among or- dinary fishes I take it for granted ...
... genus with Notidanus , perhaps also Jurassic - like forms . Among Chima- roids we may expect some new genera more closely related to the extinct types of that family than those now living . Among or- dinary fishes I take it for granted ...
Página 7
... genus described by Prof..Cope under the name of Gronias nigrilabris . This fish is very closely allied to our common bull thing akin to alternate generations , or of larvæ capable of reproduction ? Without having any facts to support ...
... genus described by Prof..Cope under the name of Gronias nigrilabris . This fish is very closely allied to our common bull thing akin to alternate generations , or of larvæ capable of reproduction ? Without having any facts to support ...
Página 8
... genus also . It is interesting to note that this fish is black above ( lighter on the sides and white below ) , notwithstanding its supposed subter- ranean habits , and that all the other members of the family having rudimentary or ...
... genus also . It is interesting to note that this fish is black above ( lighter on the sides and white below ) , notwithstanding its supposed subter- ranean habits , and that all the other members of the family having rudimentary or ...
Página 9
... genus Brotula , one species of which is found in the Caribbean Sea . In the Cuban blind fish we find ciliary appendages on the head and body quite distinctly developed , evidently of the same character as those of Amblyopsis and ...
... genus Brotula , one species of which is found in the Caribbean Sea . In the Cuban blind fish we find ciliary appendages on the head and body quite distinctly developed , evidently of the same character as those of Amblyopsis and ...
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28 | |
62 | |
65 | |
103 | |
124 | |
129 | |
436 | |
441 | |
449 | |
472 | |
493 | |
500 | |
513 | |
528 | |
136 | |
144 | |
160 | |
184 | |
192 | |
193 | |
205 | |
234 | |
242 | |
263 | |
275 | |
281 | |
293 | |
306 | |
317 | |
321 | |
330 | |
362 | |
368 | |
385 | |
404 | |
419 | |
545 | |
563 | |
570 | |
577 | |
607 | |
636 | |
640 | |
641 | |
658 | |
671 | |
690 | |
721 | |
734 | |
740 | |
747 | |
765 | |
767 | |
769 | |
775 | |
784 | |
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Palavras e frases frequentes
abundant allied Amblyopsis AMER American angular aperture animal appear arrowheads Asa Gray base birds blind fish bones Botany cave cells character collection color common coral Cretaceous crustaceans described Devonian diameter edge eggs Elliott Coues elytra epidermis eyes fact fauna feet female figured flowers fossil genera genus geology give glacial glass habits head hundred inches Indian insects interesting islands jasper Journal known Lake larva larvæ leaves length lens less male Mammoth Cave Mass ment microscope miles mountains Natural History NATURALIST nearly nest North noticed O. C. Marsh object observed obtained ornithology pamph paper peculiar Plains plants plate portion prairies present probably Prof region remarks represented River rocks says scientific seems seen side South sparrow species specimens stomata stone streams surface tail tion trees valley vegetation wings Wyandotte Cave Zoology