Ecological distribution of the prawn Nematopalaemon schmitii (Crustacea: Decapoda: Caridea) in three bays on the southeastern coat of Brazil

The relationships between the spatial and temporal variations in the abundance of the shrimp Nematopalaemon schmitti and water temperature, salinity, and texture and organic-matter content of the sediment, were analysed in Ubatumirim, Ubatuba and Mar Virado bays on the northern coast of São Paulo, Brazil. Sampling was carried out monthly, from January 1998 through December 1999, from a shrimp boat equipped with double-rig nets, along six transects in each bay. In total, 2 116 specimens of N. schmitti were caught. Their distribution differed among bays, transects and seasons (ANOVA, p < 0.05). Highest total abundance was found in areas of high organicmatter content, in substrate composed mainly of very fine sand and silt and clay, and during winter and autumn. Although multiple regression analysis showed no significant relationship (p > 0.05), observations suggest that water tempera ture, sediment texture, organic-matter content, and the presence of biodetritus and plant fragments, provided favourable environmental conditions for the establishment of N. schmitti in the region.

Anglo-Jewish coats of arms

by Lucien Wolf

The surface coat of procyclic Trypanosoma brucei: Programmed expression and proteolytic cleavage of procyclin in the tsetse fly

Trypanosoma brucei, the protozoan parasite causing sleeping sickness, is transmitted by a tsetse fly vector. When the tsetse takes a blood meal from an infected human, it ingests bloodstream form trypanosomes that quickly differentiate into procyclic forms within the fly's midgut. During this process, the parasite loses the 107 molecules of variant surface glycoprotein that formed its surface coat, and it develops a new coat composed of several million procyclin molecules. Procyclins, the products of a small multigene family, are glycosyl phosphatidylinositol-anchored proteins containing characteristic amino acid repeats at the C terminus [either EP (EP procyclin, a form of procyclin rich in Glu-Pro repeats) or GPEET (GPEET procyclin, a form of procyclin rich in Glu-Pro-Glu-Glu-Thr repeats)]. We have used a sensitive and accurate mass spectrometry method to analyze the appearance of different procyclins during the establishment of midgut infections in tsetse flies. We found that different procyclin gene products are expressed in an orderly manner. Early in the infection (day 3), GPEET2 is the only procyclin detected. By day 7, however, GPEET2 disappears and is replaced by several isoforms of glycosylated EP, but not the unglycosylated isoform EP2. Unexpectedly, we discovered that the N-terminal domains of all procyclins are quantitatively removed by proteolysis in the fly, but not in culture. These findings suggest that one function of the protease-resistant C-terminal domain, containing the amino acid repeats, is to protect the parasite surface from digestive enzymes in the tsetse fly gut.

Philadelphia, Pennsylvania, 1794 (Raster Image) (Image 1 of 2)

This layer is a georeferenced raster image of the historic paper map entitled: To Thomas Mifflin, governor and commander in chief of the state of Pennsylvania, this plan of the city and suburbs of Philadelphia is respectfully inscribed by the editor, 1794, A.P. Folie del. ; R. Scot & S. Allardice sculpsit. It was published in 1794. Scale [ca. 1:6,800]. This layer is image 1 of 2 total images of the two sheet source map. The image inside the map neatline is georeferenced to the surface of the earth and fit to the Pennsylvania South State Plane Coordinate System NAD83 (in Feet) (Fipszone 3702). All map collar and inset information is also available as part of the raster image, including any inset maps, profiles, statistical tables, directories, text, illustrations, index maps, legends, or other information associated with the principal map. This map shows features such as roads, drainage, selected public and private buildings, and more. Relief is shown by hachures. Includes index to points of interest, ill., and coat of arms held by two female figures. This layer is part of a selection of digitally scanned and georeferenced historic maps from The Harvard Map Collection as part of the Imaging the Urban Environment project. Maps selected for this project represent major urban areas and cities of the world, at various time periods. These maps typically portray both natural and manmade features at a large scale. The selection represents a range of regions, originators, ground condition dates, scales, and purposes.

Philadelphia, Pennsylvania, 1794 (Raster Image) (Image 2 of 2)

This layer is a georeferenced raster image of the historic paper map entitled: To Thomas Mifflin, governor and commander in chief of the state of Pennsylvania, this plan of the city and suburbs of Philadelphia is respectfully inscribed by the editor, 1794, A.P. Folie del. ; R. Scot & S. Allardice sculpsit. It was published in 1794. Scale [ca. 1:6,800]. This layer is image 2 of 2 total images of the two sheet source map. The image inside the map neatline is georeferenced to the surface of the earth and fit to the Pennsylvania South State Plane Coordinate System NAD83 (in Feet) (Fipszone 3702). All map collar and inset information is also available as part of the raster image, including any inset maps, profiles, statistical tables, directories, text, illustrations, index maps, legends, or other information associated with the principal map. This map shows features such as roads, drainage, selected public and private buildings, and more. Relief is shown by hachures. Includes index to points of interest, ill., and coat of arms held by two female figures. This layer is part of a selection of digitally scanned and georeferenced historic maps from The Harvard Map Collection as part of the Imaging the Urban Environment project. Maps selected for this project represent major urban areas and cities of the world, at various time periods. These maps typically portray both natural and manmade features at a large scale. The selection represents a range of regions, originators, ground condition dates, scales, and purposes.

Bibliotheca Americana : a catalogue of books relating to North and South America in the library of the late John Carter Brown of Providence, R.I. /

Under the provisions of the will of John Nicholas Brown, the collection was transferred in 1901 to Brown university.

Iroha biki monchô. Illustrated index of Japanese coats of arms.

In case.

Catalogue of a loan exhibition of arms and armor /

"Of this catalogue an edition of 2,500 copies was printed, January MCMXI."

Opportunities to improve decisionmaking and oversight of arms sales : report /

"B-165731."

The history and chronicles of Scotland:

Bellenden's translation was first published in 1536.

The baronetage of England, or The History of the English baronets, and such baronets of Scotland, as are of English families; with genealogical tables, and engravings of their coats of arms.

v. 1, imprint reads: Ipswich: printed by Burrell and Bransby for W. Miller, London.

Illustrated supplement to the descriptive catalogue published by Edmond Johnson ... of fac-simile reproductions of Irish antique art metal work : specially manufactured for exhibition at the World's Fair, Chicago, 1893; the International Exposition, Paris, 1900; and the International Exhibition, Glasgow, 1901; and as supplied to the principal museums of America, Great Britain, and the Continent /

Acquisition made accessible thanks to the generous support of the Frederick J. and Margret L. Worden Endowment.