Bibliography and Index of the Sirenia and Desmostylia  

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"Bertram, Cicely Kate"

Bertram, Cicely Kate Ricardo: SEE Bertram, George Colin Lawder. (detail)
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 Bertram, George Colin Lawder; Bertram, Cicely Kate Ricardo (detail)
   
1962
Manatees of Guiana.
Nature (London) 196(4861): 1329. Dec. 29, 1962.
–Reprinted in Jour. Brit. Guiana Mus. & Zoo No. 37? Summarizes the status of manatees in British Guiana and neighboring regions, and efforts to use them in weed-clearing. Notes difficulty in the latter efforts due to losses in capture and transport, and failure of manatees to breed in captivity.
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 Bertram, George Colin Lawder; Bertram, Cicely Kate Ricardo (detail)
   
1963
The status of manatees in the Guianas.
Oryx 7(2/3): 90-93. Aug. 1963.
–Reviews the status and distribution of T. m. manatus in British Guiana, its use for meat and for weed control, and the impracticability of expanding the latter use. Makes recommendations for manatee conservation in the Guianas.
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 Bertram, George Colin Lawder; Bertram, Cicely Kate Ricardo (detail)
   
1964a
Manatees in the Guianas.
Zoologica (New York) 49(2): 115-120. Summer 1964.
–Describes the distribution, habits, and status of T. m. manatus in British Guiana and adjacent areas.
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 Bertram, George Colin Lawder; Bertram, Cicely Kate Ricardo (detail)
   
1964b
Does the "extinct" sea cow survive?
New Scientist 24(415): 313. 1 fig. Oct. 29, 1964.
–Pop. acc. of the presumed extermination and possible survival of Steller's sea cow.
 
 
 Bertram, George Colin Lawder; Bertram, Cicely Kate Ricardo (detail)
   
1965
Seaweed into beef.
Animals 6(13): 352-355. 7 figs.
–Gen. acc. of sir. natural history.
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 Bertram, George Colin Lawder; Bertram, Cicely Kate Ricardo (detail)
   
1966a
The dugong.
Nature (London) 209(5026): 938-939. Feb. 26, 1966.
–Optimistic report of dugong status in Australia and neighboring regions; hunting pressure believed to be diminishing in many places, and stocks seem secure.
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 Bertram, George Colin Lawder; Bertram, Cicely Kate Ricardo (detail)
   
1966c
Dugongs in Australian waters.
Oryx 8(4): 221-222. Apr. 1966.
–Dugongs reported to be doing well in Australia, and little hunted except by Aborigines.
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 Bertram, George Colin Lawder; Bertram, Cicely Kate Ricardo (detail)
   
1968b
Bionomics of dugongs and manatees.
Nature (London) 218(5140): 423-426. 3 figs. May 4, 1968 (read to Linnean Soc., Feb. 15, 1968).
–Gen. acc. of sirs. and their conservation, emphasizing Australian dugongs and Guyanese manatees.
 
 
 Bertram, George Colin Lawder; Bertram, Cicely Kate Ricardo (detail)
   
1968c
The world's most valuable reptiles.
Animals 10(10): 440-444. Feb. 1968.
–Compares sea turtles with sirs. as marine herbivores.
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 Bertram, George Colin Lawder; Bertram, Cicely Kate Ricardo (detail)
   
1970a
The dugongs of Ceylon.
Loris 12(1): 53-55. June 1970.
–Discusses problems of dugong conservation (particularly marked decline due to intensification of the marine fishery), summarizes present status, and urges establishment of a dugong sanctuary.
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 Bertram, George Colin Lawder; Bertram, Cicely Kate Ricardo (detail)
   
1970b
Dugongs in Ceylon.
Oryx 10(6): 362-364. 2 figs. Dec. 1970.
–Reports that dugongs are decreasing in Ceylon due to accidental netting, in spite of legal protection, and advocates creation of a dugong sanctuary.
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 Bertram, George Colin Lawder; Bertram, Cicely Kate Ricardo (detail)
   
1973
The modern Sirenia: their distribution and status.
Biol. Jour. Linn. Soc. 5(4): 297-338. 2 figs. Pl. 1. Dec. 1973.
–An excellent and detailed review, based on wide travel and correspondence, of the present distribution of sirs., population trends, economic use and past exploitation, present hunting and hunting techniques, accidental catch, use in weed control, and existing and needed conservation measures. Rather more emphasis is placed on dugongs than on manatees. Includes an analysis of data on size, sex, pregnancy, and month of capture of some 433 dugongs taken at Numbulwar Mission, Northern Territory, Australia, in 1963-69 (333-335); limited evidence for a breeding season was found.
 
 
 Charnock-Wilson, John P.; Bertram, Cicely Kate Ricardo; Bertram, George Colin Lawder (detail)
   
1974
The manatee in Belize.
Belize Audubon Soc. Bull. 6(1): 1-4. Mar. 1974.
–Abstr.: Oryx 13(3): 230, Feb. 1976.
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 Bertram, George Colin Lawder; Bertram, Cicely Kate Ricardo (detail)
   
1977
The status and husbandry of manatees Trichechus spp.
Internatl. Zoo Yearbk. 17: 106-108.
–Briefly reviews the history and status of manatee weed-control attempts in Guyana and Surinam, and the Guyana manatee research project; urges creation of a captive-breeding program and discusses problems of weed-control and captive-breeding efforts.
Daryl P. Domning, Research Associate, Department of Paleobiology, National Museum of Natural History, Smithsonian Institution, Washington, D.C. 20560, and Laboratory of Evolutionary Biology, Department of Anatomy, College of Medicine, Howard University, Washington, D.C. 20059.
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