Proceedings of the American Academy of Arts and Sciences, Volumen75Metcalf and Company, 1942 |
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Página 59
... vein . Such a vein does not occur in the Megasecoptera , though it is found in many Neuroptera . In the second place , the " obsolescent Cu2 , " represented in his figure by dotted lines , is also not present in any of the speci- mens ...
... vein . Such a vein does not occur in the Megasecoptera , though it is found in many Neuroptera . In the second place , the " obsolescent Cu2 , " represented in his figure by dotted lines , is also not present in any of the speci- mens ...
Página 65
... vein , resembling that of some Neuroptera , is present ; this vein may be a submarginal costa , as it was interpreted by Tillyard . Costal veinlets well developed and about as numerous as in Raphidiidae ; pterostigma well developed ...
... vein , resembling that of some Neuroptera , is present ; this vein may be a submarginal costa , as it was interpreted by Tillyard . Costal veinlets well developed and about as numerous as in Raphidiidae ; pterostigma well developed ...
Página 69
... vein below it ; this vein ( 1 ) and both of its branches are strongly concave , like Rs . The vein from which it arises ( labeled 2 in figure 8 ) is very strongly convex ; paralleling this vein and situated just below it is a concave ...
... vein below it ; this vein ( 1 ) and both of its branches are strongly concave , like Rs . The vein from which it arises ( labeled 2 in figure 8 ) is very strongly convex ; paralleling this vein and situated just below it is a concave ...
Contenido
The Lower Permian Insects of Kansas Part 9 F M CARPENTER | 55 |
Some Factors in the Defense Mechanism Against Reinfection with Trypanosoma Lewisi | 84 |
Chao Hsüehmins Outline of Pyrotechnics T L DAVIS and CHAO YÜNTsung | 95 |
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Academy of Arts agglutinated Amer American Academy ARTICLE Arts and Sciences Atlantic Charter Axis Belmont blood Boston BRIDGMAN Brookline Caloneurodea Cambridge Cambridge Carboniferous cells chap charcoal Charles coil Committee complete costal Council countries cross-veins deflection distally effect Electricity Elmo limestone Europe federation fore wing Foreign Honorary Members forked FRANK BURSLEY TAYLOR Franklin Fund galvanometer genus German gyromagnetic gyromagnetic ratios HARLOW SHAPLEY Harvard Henry hind wing holotype human individuals institutions iron John kg/cm² Latin America League magnetic Martynov Martynoviidae meeting Megasecoptera ment mid-wing Neuroptera organization paper parasites peace peasant peritoneal cavity Permian Permoberotha Phys political powder present President problem Probnis Probnisidae Professor Protodonata Protorthoptera pterostigma reinfection rotor Rumford saltpeter Secretary Section Sellards Sisyridae Society species specimens Taber techniques Tillyard tion trypanosomes Union United University vein venation William Yale York