Sea frogs for Olympus TG-6 195FT/60M Underwater Camera Waterproof Diving housing (Housing + Red Filter)

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Walton, M.; Anderson, B. D. (1988). "The aerobic cost of saltatory locomotion in the fowler's toad ( Bufo woodhousei fowleri)". Journal of Experimental Biology. 136 (1): 273–288. doi: 10.1242/jeb.136.1.273. PMID 3404074. Stebbins, Robert C.; Cohen, Nathan W. (1995). A Natural History of Amphibians. Princeton University Press. pp.10–14. ISBN 978-0-691-03281-8.

Frost, D. R.; Grant, T.; Faivovich, J. N.; Bain, R. H.; Haas, A.; Haddad, C. L. F. B.; De Sá, R. O.; Channing, A.; Wilkinson, M.; Donnellan, S. C.; Raxworthy, C. J.; Campbell, J. A.; Blotto, B. L.; Moler, P.; Drewes, R. C.; Nussbaum, R. A.; Lynch, J. D.; Green, D. M.; Wheeler, W. C. (2006). "The Amphibian Tree of Life". Bulletin of the American Museum of Natural History. 297: 1–291. doi: 10.1206/0003-0090(2006)297[0001:TATOL]2.0.CO;2. hdl: 2246/5781. S2CID 86140137.Unlike John England (N&Q, 4 May) I interpreted the original query as asking what speed (30mph or 60mph) is the most fuel efficient. There is a trade-off: engine efficiency increases with road speed, but higher speeds incur increased air resistance (as the square of the speed). Consequently, fuel economy is maximised somewhere between 30mph and 60mph, depending on the capacity of the vehicle – typically 40mph for a 1600cc diesel car and 60mph for a 1300cc petrol car. Emerson, Sharon B.; Koehl, M. A. R. (1990). "The interaction of behavioral and morphological change in the evolution of a novel locomotor type: "flying frogs". Evolution. 44 (8): 1931–1946. doi: 10.2307/2409604. JSTOR 2409604. PMID 28564439.

But can a dive housing manufacturer successfully make the cross over to manufacture quality surf housings? We all know that the demands and requirements for a surf housing can be vastly different to that of a dive housing. Obviously using a water housing in calm dive conditions compared to large and powerful ocean swells/waves can present different requirements on the housing with the former placing intense impact related pressure on the water housing. Therefore any quality surf housing first and foremost will have to have a strong and robust design to meet the stringent demands of surf photography. a b c d "Frog's internal systems". TutorVista.com. 2010. Archived from the original on 2008-01-21 . Retrieved 2012-06-04. a b Pough, F. H.; Andrews, R. M.; Cadle, J. E.; Crump, M. L.; Savitsky, A. H.; Wells, K. D. (2003). Herpetology (thirded.). Benjamin Cummings. ISBN 978-0-13-100849-6. Liddell, Henry George; Scott, Robert (1940). "οὐρά". A Greek-English Lexicon. Perseus Digital Library.

Lightweight Aluminium Tray for underwater camera housing (1" ball setup)

Shubin, N. H.; Jenkins, F. A. Jr (1995). "An Early Jurassic jumping frog". Nature. 377 (6544): 49–52. Bibcode: 1995Natur.377...49S. doi: 10.1038/377049a0. S2CID 4308225.

Muntz, W. R. A.; Scientific American Offprints (1964). "Vision in frogs". Scientific American. W. H. Freeman. 210 (3): 110–9. ASIN B0006RENBO. Bibcode: 1964SciAm.210c.110M. doi: 10.1038/scientificamerican0364-110. OCLC 15304238. PMID 14133069. Davies, N. B.; Halliday, T. R. (1978). "Deep croaks and fighting assessment in toads Bufo bufo". Nature. 274 (5672): 683–685. Bibcode: 1978Natur.274..683D. doi: 10.1038/274683a0. S2CID 4222519. a b c d e f g Stebbins, Robert C.; Cohen, Nathan W. (1995). A Natural History of Amphibians. Princeton University Press. pp.154–162. ISBN 978-0-691-03281-8. If Kate and William were unable to have children and decided to adopt, would the adopted child become heir to the throne? Federle, W.; Barnes, W. J. P.; Baumgartner, W.; Drechsler, P.; Smith, J. M. (2006). "Wet but not slippery: boundary friction in tree frog adhesive toe pads". Journal of the Royal Society Interface. 3 (10): 689–697. doi: 10.1098/rsif.2006.0135. PMC 1664653. PMID 16971337.Inger, Robert F.; Stuebing, Robert B. (1997). A Field guide to the Frogs of Borneo (2nded.). Kota Kinabalu, Borneo: Natural History Publications. ISBN 983-812-085-5. a b c d Badger, David; Netherton, John (1995). Frogs. Airlife Publishing Ltd. pp.39–44. ISBN 978-1-85310-740-5.