Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Томи 41 – 42The Society, 1902 |
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Сторінка 22
... important points with regard to the pronunciation should be noted : 1. Medial and final h is never an aspirate , but merely a pause . 2. The combination ng is pronounced like ng in ' king . ' 3. The combination rh is a deep guttural gh ...
... important points with regard to the pronunciation should be noted : 1. Medial and final h is never an aspirate , but merely a pause . 2. The combination ng is pronounced like ng in ' king . ' 3. The combination rh is a deep guttural gh ...
Сторінка 41
... important works on this group , the comprehen- sive studies of Albany Hancock ( '58 ) and the excellent researches of Lacaze - Duthiers ( '61 ) , which are still models of accuracy , the extended labors of Davidson ( '86 -'88 ) and most ...
... important works on this group , the comprehen- sive studies of Albany Hancock ( '58 ) and the excellent researches of Lacaze - Duthiers ( '61 ) , which are still models of accuracy , the extended labors of Davidson ( '86 -'88 ) and most ...
Сторінка 42
... important works on the embryology of the brachiopods . The other work referred to is the later but more detailed and comparative " Observations on the Development of Brachiopods , " by the great Russian zoologist , Alexander Kowalevsky ...
... important works on the embryology of the brachiopods . The other work referred to is the later but more detailed and comparative " Observations on the Development of Brachiopods , " by the great Russian zoologist , Alexander Kowalevsky ...
Сторінка 43
... important classification of the brachiopods based on the developmental characters of the shell ; since however the present work deals only with the early embryology , we need not further consider Beecher's work here . 2. Material ...
... important classification of the brachiopods based on the developmental characters of the shell ; since however the present work deals only with the early embryology , we need not further consider Beecher's work here . 2. Material ...
Сторінка 49
... important change in the character of its bounding cells ; at first they form a quite regular , cuboid or columnar epithelium ( Figs . 14-16 and 40-42a ) , but as the enterocol increases in size the epithelium becomes less regular ...
... important change in the character of its bounding cells ; at first they form a quite regular , cuboid or columnar epithelium ( Figs . 14-16 and 40-42a ) , but as the enterocol increases in size the epithelium becomes less regular ...
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Africa AMER AMERICAN PHILOSOPHICAL SOCIETY animals appear April Asia Australia auta autic beds belong blastopore body brachiopods Cambaroides Cambarus canals cells Central chromosomes cœlom connection contains crude oil Crustacea crystals curves Decapods deposits distillates distribution division domeykite drones eggs enteron Eocene equation evidence existence fact fauna Feb'y fertilization follicle formation forms fossils freshwater genera genus geographer geological Greater Antilles hydrocarbons islands Jan'y Jurassic land larva larvæ later Lower Cretaceous male mantle mass Mesozoic method Mexico Miocene nature Noctua North northern nuclei observed Ocean Oligocene origin parthenogenesis Pennsylvania petroleum Philadelphia PHILOS plate Pliocene polar body posterior Potamobius present probably PROC produced Prof queen region relation represented river sandstones separated shown solution South America southern species spermatocyte spermatogonia spermatozoa stage Terebratulina Tertiary theory tion Upper Cretaceous Zool