LEBENSWEISE DER ERDKRÔTE 



513 



Bragg, A. N. 1943 b. Observations . . . XVI. Life-history of Pseudacris clarkii (Baird) 

 in Oklahoma. Wasmann Coll. 5: 129-140. 



— 1944/45. Observations . . . XII. The spadefoot toads in Oklahoma with a summary 



of our knowledge of the group. Amer. Nat. 78/79: 517-533, 52-72. 



— 1945. Breeding and tadpole behavior in Scaphiopus hurterii near Norman, Oklahoma, 



Spring 1945. Wasmann. Coll. 6: 69-78. 



— 1961. A theory of the origin of spade-footed toads deduced principally by a study of 



their habits. Animal Behaviour 9: 178-186. 



— 1965. Gnomes of the night, the spadefoot toads. Univ. Pennsylv. press, Philadelphia, 



127p. 



Brattstrom, B. H. 1962. Homing in the giant toad, Bufo marinus. Herpetologica 18: 

 176-180. 



Buytendijk, F. J. J. 1918. Instinct de la recherche du nid et expérience chez les crapauds 

 (Bufo vulgaris et Bufo calamita). Arch. Néer. Physiol. 3 c: 1-50. 



Church, G. 1960. Annual and lunar periodicity in the sexual cycle of the javanese toad, 

 Bufo melanostictus Schneider. Zoologica 44: 181-188. 



— 1961. Seasonal and lunar variation in the numbers of mating toads in Bandung 



(Java). Herpetologica 17: 122-126. 

 Courtis, S. A. 1907. Response of toads to sound stimuli. Amer. Nat. 41 : 677:682. 

 Cummings, B. F. 1912. Distant orientation in Amphibia. Proc. Zool. Soc. London 1912: 



8-19. 



Cummins, H. 1920. The rôle of voice and coloration in spring migration and sex récognition 



in frogs. Jour. Exp. Zool. 30: 325-343. 

 Czeloth, H. 1930. Untersuchungen iiber die Raumorientierung von Triton. Z. vgl. Physiol. 



13: 74-163. 



Debenedetti, E. T. 1963. Preliminary observations on the orientation of Talitrus saltator 



in fresh and sea water. Naturwiss. 50: 25-26. 

 Dole, J. W. 1965. Summer movements of adult léopard frogs, Rana pipiens Schreber, in 



northern Michigan. Ecology 46: 236-255. 



— 1967. Spring movements of léopard frogs, Rana pipiens Schreber, in northern 



Michigan. Amer. Midi. Nat. 78: 167-181. 



— 1968. Homing in léopard frogs, Rana pipiens. Ecology 49: 386-399. 

 Eibl-Eibesfeldt, I. 1950. Ein Beitrag zur Paarungsbiologie der Erdkrôte (Bufo bufo L.) . 



Behaviour 2: 217-236. 



Ercolini, A. 1964. Ricerche suWorientamento astronomico di anfipodi litorali délia zona 



equatoriale IV. Redia 49: 119-128. 

 Ewert, J. P. 1965. Der Einfluss peripherer Sinnesorgane und des Zentralnervensy stems 



auf die Antwortbereitschaft bei der Richtbewegung der Erdkrôte ( Bufo 



bufo L.). Diss. Gottingen 69 p. 

 Fatio, V. 1872. Faune des vertébrés de la Suisse, III. Histoire naturelle des Reptiles et des 



Batraciens. Genf und Basel, 60L+VI + 13 p. 

 Ferguson, D. E. 1960. Observations on movements and behavior of Bufo fowleri in residen- 



tial areas. Herpetologica 16: 112-114. 



— 1963 a. Orientation in three species of anuran amphibians. Ergebn. Biol. 26: 128- 



134. 



— 1 963 b. A comparative study of homing behavior in three species of anuran amphibians. 



Final Report subm. Nat. Sci. Found. 20 p. 



— 1966. Sun-compass orientation in anurans. In: animal orientation and navigation. 



Oregon State Univ. press. 21-34. 



