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REGAL,P. J. 1966.Thermophilicresponsesfollowingfeeding STEWART,G. R. 1965. Thermal ecology of the garter snakes in certain reptiles. Copeia, 1966: 588-590. Thamnophissirtalis concinnus(Hallowell)and Thamnophis
 

Summary: NOTES 3459
REGAL,P. J. 1966.Thermophilicresponsesfollowingfeeding STEWART,G. R. 1965. Thermal ecology of the garter snakes
in certain reptiles. Copeia, 1966: 588-590. Thamnophissirtalis concinnus(Hallowell)and Thamnophis
SPELLERBERG,I. F., and T. E. PHELPS.1975. Voluntary ordinoides (Bairdand Girard). Herpetologica, 21: 81-102.
temperatures of the snake, Coronella austriaca. Copeia, VINCENT,T. 1975.Body temperaturesof Thamnophissirtalis
1975: 183- 185. parietalis at the den site. J. Herpetol. 9: 252-254.
Shallow-water propagationof frequencies in aquatic insect sounds
RONALDB. AIKEN'
Department of Zoology, Erindale College, University of Toronto, Mississauga, Ont., Canada L5L IC6
Received March 22, 1982
AIKEN,R. B. 1982. Shallow-waterpropagation of frequenciesin aquatic insect sounds. Can. J. Zool. 60: 3459-3461.
Thepossible use of soundsproduced by aquaticinsects overdistancessimilarto those of terrestrial insects wasexamined. Pure
tones, spanning the range of those found in aquaticinsect sounds, were broadcast in shallow water. At intensitiesrepresentative
of those produced by aquatic insects, all frequencieswere usually attentuated within 1m and their function as acousticbeacons
must be considered within such limits.
AIKEN,R. B. 1982. Shallow-waterpropagation of frequencies in aquatic insect sounds. Can. J. Zool. 60: 3459-3461.
La possibilitk,chez les insectesaquatiques,d'utiliser des sonssurdes distancessemblables a cellesobservkeschez les insectes
terrestres a kt6 ktudike. L'kmission de tons purs, couvrant l'ktendue des sons produits par les insectes aquatiques, a kt6
exp6rimentkeen eaux peu profondes. A des intensitks naturelles,toutes les frkquencessubissentune diminutionen moins de 1m
et l'kvaluation de leur rdle comme signaux acoustiquesdoit donc tenir compte de ces limites.

  

Source: Aiken, Ron - Biology Department, Mount Allison University

 

Collections: Biology and Medicine