1. Freshly dug sweet potatoes, varieties Porto Rico and Triumph, increase in their rate of respiration apparently from the date of harvest until a maximum is reached, and then the ... the moisture content to any great extent. 6. Porto Rico variety has a larger percentage of carbon dioxide ... 10. Moisture and catalase activity are higher in Porto Rico variety than in Triumph. 11. Both laccase and peroxidase are present in Porto Rico variety. These enzymes seem to be important in ... falling off at PH 5. Amylolytic activity of Porto Rico is greater than that of Triumph. 15. Tests ...
Tópico(s): Potato Plant Research
1925 - University of Chicago Press | Botanical Gazette
... Pt. 1. The Caribbee islands, from Trinidad to Porto Rico -- pt. 2. Porto Rico to the gulf of Florida -- pt. 3. River Maranon to Porto Bello -- pt. 4. Porto Bello to the gulf ...
0000 - Gale Group | Sabin
... earlier physiographic Studies The Tertiary physiographic history of Porto Rico was outlined by A. K. Lobeek in 1922. ... Culebra, and Vieques, which lie immediately east of Porto Rico (figure 1). The land-forms of these islands run those of Porto Rico a close parallel, and in the reports on ... chronologic outline established by Lobeck. The development of Porto Rico and the Virgin Islands, as determined in Lobeck’ ...
Tópico(s): Geology and Paleoclimatology Research
1927 - Geological Society of America | Geological Society of America Bulletin
... Pt. 1. The Caribbee islands, from Trinidad to Porto Rico -- pt. 2. Porto Rico to the gulf of Florida -- pt. 3. River Maranon to Porto Bello -- pt. 4. Porto Bello to the gulf ...
0000 - Gale Group | SASII
... Cape San Juan on the northeastern point of Porto Rico.Though known with Vieques as one of the ... of historians or in other literature pertaining to Porto Rico.Culebra must have been discovered at an early ... he reached St. Croix and then crossed to Porto Rico.In 1530 the historian Inigo Abbad remarks that the few remaining aborigines left Porto Rico and settled on Mona, Vieques and other off- ...
Tópico(s): Plant and animal studies
1917 - Oxford University Press | Ornithology
Article: A War Record, Commencing at Porto Rico, West Indies. Original Compositions By Rank And Ratings. Women's Royal Naval Service. Aug. 1918 - Mar 1919. W.R.N.S. 17/ ...
1918 - Gale Group | ArchivesUnbound Women-War
Project Gutenberg
... Rafael A. Toro, of the Insular Experiment Station, Porto Rico, and the writer. We reached the island March ... of the Department of Agriculture and Labor of Porto Rico and the University of Porto Rico. All kinds of fungi were collected. The writer ... Mr. Carlos E. Chardon, Commissioner of Agriculture of Porto Rico. Doctor Barrus and Mr. Chardon have generously turned ...
Tópico(s): Mycorrhizal Fungi and Plant Interactions
1928 - Taylor & Francis | Mycologia
A history of the work of the "Junta informativa de ultramar de 1866-67" and the attempted reforms of that period. Book.
0000 - Gale Group | SASII
... a detailed description of the methods of the Porto Rico Anemia Commission in combating the present epidemic in ... previous to the year 1905 ( Health Reports of Porto Rico ; deaths from anemia, 1898-1904, inclusive). Our experience ... personal care and attention. Dr. Pedro Gutierrez, of Porto Rico, the other member
Tópico(s): History of Medicine and Tropical Health
1907 - American Medical Association | Journal of the American Medical Association
Book.
0000 - Gale Group | SASII
Bowontsu, Birds of Porto Rico.Aue conspicuous that it is hunted much, but the embryo hunters have found, much to their chagrin, that it ... 1898, I began to study the birds of Porto Rico, I was somewhat surprised to find how meagre ...
Tópico(s): Lepidoptera: Biology and Taxonomy
1902 - Oxford University Press | Ornithology
Two columns to the page. Book.
0000 - Gale Group | Sabin June 2012
... photographs of a number of dermatomycoses occurring in Porto Rico. King 2 and Ashford 3 have also emphasized ... Dr. Kesten) 4 on skin diseases occurring in Porto Rico, it was noted that 42 per cent were ...
Tópico(s): Fungal Infections and Studies
1932 - American Medical Association | Archives of Dermatology and Syphilology
Book.
0000 - Gale Group | SASII
... It is perhaps the most conspicuous bird of Porto Rico, being very evenly distributed about the® woods and ... Two nests with Vol. :so BownisH, Birds of Porto Rico.II young found June 1 and 5, respectively, ...
Tópico(s): Lepidoptera: Biology and Taxonomy
1903 - Oxford University Press | Ornithology
Aberdeen, George Hamilton Gordon, Earl of, Sotomayor, Carlos Martínez de Irujo, duque de,
Correspondence between the Duke of Sotomayor and the Earl of Aberdeen. Original Spanish text, followed by English translation, of 1st letter. "Presented ...
0000 - Gale Group | The Making of Modern World
Harry Fielding Reid, Stephen W. Taber,
Research Article| December 01, 1919 The Porto Rico Earthquakes of October-November, 1918. Harry Fielding Reid; Harry Fielding Reid Search for other works by this author on: GSW Google Scholar ... Site Citation Harry Fielding Reid, Stephen Taber; The Porto Rico Earthquakes of October-November, 1918.. Bulletin of the ...
Tópico(s): Seismology and Earthquake Studies
1919 - Seismological Society of America | Bulletin of the Seismological Society of America
Observations on winds and currents in general and in particular on those prevailing in the seas and on the coasts mentioned in the preceding pages / translated ...
0000 - Gale Group | Sabin
... the origin of this group. The forms of Porto Rico in general show less diversity than those of ... specimens collected by Dr. F. L. Stevens in Porto Rico during the years 1913, 1914, and 1915.
Tópico(s): Diatoms and Algae Research
1924 - Taylor & Francis | Mycologia
Book.
0000 - Gale Group | Sabin
... figs. COSTA MANDRY, 0. 1928. Food infections in Porto Rico. Porto Rico Rev. Pub. Health and Trop. Med., 4 (3): ...
Tópico(s): Marine Toxins and Detection Methods
1953 - American Society of Ichthyologists and Herpetologists | Copeia
Book.
0000 - Gale Group | Sabin
... a curve about 500 miles in length between Porto Rico and Trinidad, and includes 25 larger members with ... calcareous strata. Vieques and St. Croix, southeast of Porto Rico, and Barbados, east of the southern part of ... largest of these extends SO miles eastward from Porto Rico with a width of 25 or 30 miles, ...
Tópico(s): Tropical and Extratropical Cyclones Research
1924 - National Academy of Sciences | Proceedings of the National Academy of Sciences
Aberdeen, George Hamilton Gordon, Earl of, Sotomayor, Carlos Martínez de Irujo, duque de,
Correspondence between the Duke of Sotomayor and the Earl of Aberdeen. Original Spanish text, followed by English translation, of 1st letter. "Presented ...
0000 - Gale Group | SASII
... Two specimens of Agelaius xanthomas, evidently stragglers from Porto Rico, also were obtained on Mona.From Porto Rico Mr. Brown sent me a number of interesting ...
Tópico(s): Plant and animal studies
1892 - Oxford University Press | Ornithology
Book.
0000 - Gale Group | The Making of Modern World