all wasp species in the genus lysiphlebus fã¶rster are solitary endoparasitoids of aphids andconsidered a taxonomically difficult group. in this study a part of coi and its2 was used to distinguishtwo closely related species l. fabarum (marshall) and l. confusus tremblay & eady in iran. thesequencing with a similarity about 99.5% showed coi's inability to separate the species l. fabarum an...

chapter, presentation consists of an unabating recitation in chronological order of the salient points from each one of the cited references. Unbearable repetition, absence of a logical flow of ideas and difficulty extracting the most significant concepts results. The autlhor provides essentially no integration or summarization of h1is material. Critical analysis of the data and conclusions are...

607 the past year or so. Althotuglh practical gene-transfer tlherapy may be only a distant reality, those interested in the past and current state of the art slhouild findl this book botlh interesting and(I informative. It contains some 35 papers (andl re-late(d discussionis) that were presentecl at a NATO-sponsored symposium helcl in Mol, Belgium, dluring September, 1970. As expected for a sym...

Auchter (1) wras the first to show that very little lateral nmovemiient of nutrient elemiients occurred in certain plants. The work of Caldwell (3) and McAMurtrey (7) also indicate(d a lack of lateral movemleint of mineral elements in the test plants used. From these studies, it seenms that there is a lack of lateral nmovement of nmineral nutrients in some plants. It was (lecidedl to test this ...