Background: Species in the heterokont genus Synura are colonial and have silica scales whose ultrastructural characteristics are used for classification. We examined the ultrastructure of silica scales and molecular data (nuclear SSU rDNA and LSU rDNA, and plastid rbcL sequences) to better understand the taxonomy and phylogeny within the section Petersenianae of genus Synura. In addition, we re...

The most recent ships incorporate a number of significant design enhancements to improve the vessel’s seaworthiness. Bulbous bow, bilge keel, stern wedge, tunnel, spray rails, and others are examples. A wedge is small modification buttock lines aft station 19 1/2. use this hull feature on high-speed planning craft for purpose improved powering performance an accepted naval architectural practic...

Vigna unguiculata is the major grain legume in Africa and also important South-East Asia as a vegetable. The wild relatives, present only Africa, are currently made of ten subspecies. However, while different groups well identified, relationships between them not firmly established. study chloroplast diversity through restriction fragment length polymorphism confirms groups, split savannah subs...

OTHMAR KEEL, La genealogie de l'histopathologie. Une revision dechirante. Philippe Pinel, lecteur discret de J.-C. Smyth (1741-1821), Paris, Vrin, 1979, 8vo, pp. ii, 135 +facsimile, [no price stated]. This attractive little book is presented as a detective story. Keel uncovers and then unravels a minor mystery who was the English source of Pinel's ideas on the inflammation of membranes? He uses...

OTHMAR KEEL, La genealogie de l'histopathologie. Une revision dechirante. Philippe Pinel, lecteur discret de J.-C. Smyth (1741-1821), Paris, Vrin, 1979, 8vo, pp. ii, 135 +facsimile, [no price stated]. This attractive little book is presented as a detective story. Keel uncovers and then unravels a minor mystery who was the English source of Pinel's ideas on the inflammation of membranes? He uses...