...Unless laboratory conditions closely resemble those in the field, shedding frequencies in captives probably differ much from those of free-living snakes... 
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
...The primary notes have 187 to 240 pulses per second andmajor frequencies of about 740 to 1870 cycles per second (Pl...
William E. Duellman 「Neotropical Hylid Frogs, Genus Smilisca」
...Variation in the highest frequencies ina series of consecutive calls by one individual frog was noted in all species...
William E. Duellman 「Neotropical Hylid Frogs, Genus Smilisca」
...5 kilometerswest of Puerto Viejo, Heredia Province, Costa Rica, on July 31, 1964,produced three consecutive primary notes having upper frequencies of about6000, 4000, and 4000 cps...
William E. Duellman 「Neotropical Hylid Frogs, Genus Smilisca」
...baudini andother species, if harmonics are present at those frequencies, they are not emphasized...
William E. Duellman 「Neotropical Hylid Frogs, Genus Smilisca」
...The fundamental frequencies are as low as 90 cps...
William E. Duellman 「Neotropical Hylid Frogs, Genus Smilisca」
...In each case, an alternation of major frequencies took place inrespect to dominance...
William E. Duellman 「Neotropical Hylid Frogs, Genus Smilisca」
...5 kilometers west ofPuerto Viejo, Costa Rica, produced a primary note followed by one secondarynote; each note had major frequencies at 600 and 1800 cps...
William E. Duellman 「Neotropical Hylid Frogs, Genus Smilisca」
...baudini recorded at higher temperatureshad faster pulse rates and higher fundamental frequencies...
William E. Duellman 「Neotropical Hylid Frogs, Genus Smilisca」
...Except for the higher fundamental and dominant frequencies, thecalls of S...
William E. Duellman 「Neotropical Hylid Frogs, Genus Smilisca」
...Grasshoppers and beetles were the two staple foods in thediet at this time, as shown by their high frequencies and highpercentages in pellets...
Dwight Platt 「Food of the Crow, Corvus brachyrhynchos Brehm, in South-central Kansas」
...Nevertheless, grasshoppers and beetles remained the predominantanimal-food residues into December and frequencies of occurrenceremained relatively high...
Dwight Platt 「Food of the Crow, Corvus brachyrhynchos Brehm, in South-central Kansas」
...Their locations indicate seasonality ofdistribution, and their frequencies help indicate relativeabundances of the various species...
Stephen Leatherwood 「Whales, Dolphins, and Porpoises of the Western North Atlantic」
...The identical pattern and similarity in fundamentaland dominant frequencies of the calls of H...
William E. Duellman 「Middle American Frogs of the Hyla microcephala Group」
...Frogs ofthis subspecies recorded in Nicaragua and Honduras have slightlylower dominant frequencies and higher fundamental frequenciesthan those recorded in Guatemala or Oaxaca...
William E. Duellman 「Middle American Frogs of the Hyla microcephala Group」
...robertmertensi in Oaxaca have higher dominantand fundamental frequencies and longer secondary notes than dothose in Chiapas...
William E. Duellman 「Middle American Frogs of the Hyla microcephala Group」
..."Bah! Enemies, yes—with Universal—but none who could duplicate thecomplicated frequencies I use...
Various 「Astounding Stories, March, 1931」
...Gracely, an American—followinga long series of world-wide experiments, tests of currentstrength, frequencies of oscillation, suitable metals, etc...
Various 「Astounding Stories of Super-Science, October, 1930」
...Reports from Rio on a short-wave band ofradio frequencies were passing from Ribiera to some other placeapparently inland...
Various 「Astounding Stories of Super-Science, June, 1930」
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