BIOLOGICAL CHARACTER ANALYSIS, CLASSIFICATION, AND HISTORY OF THE NORTH AMERICAN CICINDELA SPLENDIDA HENTZ GROUP TAXA (COLEOPTERA: CICINDELIDAE)

1991 ◽  
Vol 123 (6) ◽  
pp. 1327-1353 ◽  
Author(s):  
Larry Aldo Schincariol ◽  
Richard Freitag

AbstractComparisons of selected biological attributes were made to establish a phylogenetic basis for the classification of the Cicindela splendida Hentz group taxa. Recognized members of the group, C. splendida, C. limbalis Klug, and C. denverensis Casey, are spring-fall species, and northern populations emerge later during spring than southern populations. Despite differences in time of peak abundance, the three species overlap in time and space. The absence of large numbers of hybrids of these three species suggests that although closely related, their adults can distinguish from each other, and thus their rank as species should be retained.Comparison of geographical distribution of these species with that of dominant soil types revealed that they had similar soil preferences. The geographical distribution of all three species was smaller than the range of their preferred soil types, probably because of the same factors that influence their local distributions.Morphometric analyses of these species revealed a closer similarity between C. splendida and C. limbalis. In both sexes elytral pattern, percentage maculation, elytral colour, and non-sensory setae number collectively distinguish these species from each other, whereas body measurements, body ratios, sensory setae, and labral setae collectively fail to distinguish them.Based on plesiomorph/apomorph character polarization, and the C. purpurea Olivier group as outgroup, it was determined that C. denverensis represents an early lineage of the C. splendida group, whereas C. splendida and C. limbalis are more recent sister species.The ancestor of the C. splendida group probably evolved during late stages of the Tertiary Period as a North American resident and was a continental, riparian, cool-temperate form that ranged across Canada and northeastern and central United States. Extant forms speciated during the late Pleistocene as a result of spatial fragmentation of populations, isolation, and adaptation during glacial and interglacial periods.

2015 ◽  
Vol 44 (2) ◽  
pp. 29-30
Author(s):  
Matt Sheedy

I interviewed Russell McCutcheon back in March 2015, about his new role as president of the North American Association for the Study of Religion (NAASR), asking him about the history of the organization, goals for his tenure, and developments for NAASR’s upcoming conference in Atlanta in November 2015.


1972 ◽  
Vol 32 (1) ◽  
pp. 36-53 ◽  
Author(s):  
John C. McManus

This study of Indian behavior in the fur trade is offered more as a report of a study in progress than a completed piece of historical research. In fact, the research has barely begun. But in spite of its unfinished state, the tentative results of the work I have done to this point may be of some interest as an illustration of the way in which the recent revival of analytical interest in institutions may be used to develop an approach to the economic history of the fur trade.


Science ◽  
1931 ◽  
Vol 73 (1901) ◽  
pp. 620-621
Author(s):  
Emery Westervelt Dennis

1988 ◽  
Vol 22 ◽  
pp. 282
Author(s):  
Daniel Vickers ◽  
Briton Cooper Busch
Keyword(s):  

2020 ◽  
Vol 72 (4) ◽  
pp. 985-1005
Author(s):  
Miriam Bankovsky

Abstract This article contributes to our knowledge of two early phases in the history of household economics. The first is represented by the 19th-century theory of Alfred Marshall and the second by the interwar theories of several North American consumer economists (Hazel Kyrk, Elizabeth Hoyt, and Margaret Reid). The aim is to present the analytical focus and accounts of social good that animated these phases. Since Marshall’s focus was on improving industrial production, his family economics explained how the Victorian family could improve the labour it contributed to industry. But the North American consumer economists sought to improve family consumption. Regarding ethics, 19th-century families were to cultivate an industrious and altruistic character. But the consumer economists thought families needed protection from producer fraud, along with living standards that expressed their individuality. Early household economics also accepted the gendered family form that had accompanied these developments, rejecting more ‘activist’ conceptions.


2014 ◽  
Vol 53 (9) ◽  
pp. 2093-2113 ◽  
Author(s):  
Claudia K. Walters ◽  
Julie A. Winkler ◽  
Sara Husseini ◽  
Ryan Keeling ◽  
Jovanka Nikolic ◽  
...  

AbstractClimatological analyses of low-level jets (LLJs) can be negatively influenced by the coarse spatial and temporal resolution and frequent changes in observing and archiving protocols of rawinsonde observations (raobs). The introduction of reanalysis datasets, such as the North American Regional Reanalysis (NARR), provides new resources for climatological research with finer spatial and temporal resolution and potentially fewer inhomogeneities. To assess the compatibility of LLJ characteristics identified from NARR wind profiles with those obtained from raob profiles, LLJs were extracted using standard jet definitions from NARR and raobs at 12 locations in the central United States for four representative years that reflect different rawinsonde protocols. LLJ characteristics (e.g., between-station differences in relative frequency, diurnal fluctuations, and mean speed and elevation) are generally consistent, although absolute frequencies are smaller for NARR relative to raobs at most stations. LLJs are concurrently identified in the NARR and raob wind profiles on less than 60% of the observation times with LLJ activity. Variations are seen between analysis years and locations. Of particular note is the substantial increase in LLJ frequency seen in raobs since the introduction of the Radiosonde Replacement System, which has led to a greater discrepancy in jet frequency between the NARR and raob datasets. The analyses suggest that NARR is a viable additional resource for climatological analyses of LLJs. Many of the findings are likely applicable for other fine-resolution reanalysis datasets, although differences between reanalyses require that each be carefully evaluated before its use in climatological analyses of wind maxima.


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