Polymorphism and maintenance factors; Intraspecific variation in ants of the genus formica L.; The taxonomy of the formica rufa group: chaos before order; Phylogenetic relationships and origin of social parasitism in vespidae and in bombus and psithyrus as revealed by enzyme genes; Enzymatic polymorphism in the european population of various reticulitermes species (Isoptera); The pallens morph of the ant leptothorax nylanderi: description, formal genetics, and study of populations; The electropthoretic determination of myrmica rubra microgynes as a social parasite and the possible significance in the evolution of ant social parasites; Aspects of genetic variability in apis mellifera L.; Correlation between b chromosome frequency and solitary phenotype production in crowded populations treated with CO2 in different strains of Locusta migratoria L.; Multivariate statistical aids to the biosystematics of social insects; A biometric investigation of variation of workers of myrmica ruginodis Nylander (formicidae); Revision of the genus messor (Harvesting ants) on a biometrical basis; Morphometric analysis of populations from four different types of mounds of the Indian termite Odontotermes obesus (Rambur); Sex pheromones in social insects: chemotaxonomic potential; Complexity of bumble bee marking pheromones: biochemical, ecological and systematical interpretations; Comparative study of pheromones emitted by different species of myrmica; Variation in the chemistry of the frontal gland secretion of european reticulitermes species; Biological and systematic relationships of social parasitic leptothoracini from europe and north america; Systematics and geographical variation in the bombinae; Two mound types of macrotermes near Kajiado (Kenya), intraspecific variation or interspecific divergence?; The abdominal epidermal glands of termites and their phylogenetic sgnificance; The pupa-carrying test as a taxonomic tool in the formica rufa group; Differences in behaviour of geographical races of reticulitermes species; Polyethism and population genetics; Mechanisms of species isolation in termites; Reproductive isolating mechanisms among species of microtermes (Isoptera, termitidae) in the southern Guinea savanna near Mokwa, Nigeria; Résumés.
Dr. Williams discusses his own work and that of such contemporaries as Pound and Eliot and reveals his thoughts on a wide variety of twentieth-century concerns
絕對不要忽略平凡的事物,那可能是你獲得諾貝爾獎的線索 諾貝爾生醫獎得主巴里•馬歇爾親撰 諾貝爾獎得主親自對話,示範科學素養 建立閱讀理解的最佳讀物 培養自主學習能力 ...
科學新聞》雜誌(Science News)2018年度選書 《富比世》(Forbes)雜誌2018年腦科學必讀選書 暢銷書《基因:人類最親密的歷史》作者辛達塔.穆克吉盛讚 我們是怎麼發現荷爾蒙的? ...
Amy Griffin Monica Mouton Sanders M.Angela Casady Jennifer Smith Burden Tom Luster See also: Adolescent Pregnancy and Prevention; Prenatal Decision Making by Adolescents; Sexual Abstinence References and Further Reading Child Trends.
Thus, Turner's study (ref. 83) makes a case that Hitler's accession was by no means inevitable and that ... X as with so much in the mythology of his Third Reich, the belief that January 30”, 1933, marked a seizure of power was spurious ...
We also present the Pearson r coefficient on the same two relationships , which will facilitate the comparison we will make next . In using the Pearson r statistic , these two economic trade - off questions continue to be positively ...
我們多次要求資訊與圖片,札里洛有無窮的耐心,無論多麼晦澀難解,他都能迅速回應。在為威爾金斯的論文編目時,倫敦國王學院的奧佛(Christopher Olver)非常幫忙,主管為布洛維爾(Geoff Browell)。克里克的論文保存於維康信託基金會(Wellcome Trust), ...
Newman , G. ( 1992 ) Future prospects for whole - crop cereals in the UK . ... In : Hewitt , H.G. , Tyson , D. , Hollomon , D.W. , Smith , J.M. , Davies , W.P. and Dixon K.R. ( eds ) A Vital Role for Fungicides in Cereal Production .
Volume 2: Management, Use and Value of Wetlands Donal D. Hook, W. H. Mckee Jr, H. K. Smith, J. Gregory, V. G. Burrell Jr, ... Chapter Thirty - four AQUACULTURE IN MANGROVE WETLANDS : A PERSPECTIVE FROM SOUTHEAST ASIA James P. McVey ...
... George W. 318 Neal , Lonnie G. 126 , 312 Nickerson , William J. 11 Nokes , Clarence 121 Page , Lionel F. 356 ... Wanda Anne A. 150 Small , Isadore , III 135 Smart , Brinay 106 Smith , Jonathan S. , II 312 Smith , Morris Leslie 312 ...