SPHENOPHRYNE - American Museum of Natural History

126 BULLETIN AMERICAN MUSEUM OF NATURAL HISTORY NO. 253
found in disjunct populations at high elevations.
Too little is known of the details of geographic
distribution of species within New
Guinea to support speculation about distribution
patterns and areas of endemism. On
a broader scale, however, the diversity of
microhylids very likely relates to their reproductive
mode that divorces them from
the need to lay their eggs in water. New
Guinea is an extremely mountainous island
Archbold, R., and A. L. Rand
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No. 7. Summary of the 1933–1934
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Archbold, R., A. L. Rand, and L. J. Brass
1942. Results of the Archbold Expeditions.
No. 41. Summary of the 1938–1939
New Guinea Expedition. Bull. Am.
Mus. Nat. Hist. 79(3): 197–288.
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50–54.
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Laurent 1946 (Anura Ranoidea).
Ethol. Ecol. Evol. 5: 199–218.
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(Amphibia: Microhylidae) from
New Guinea with description of nine
new species. Alytes 7(4): 125–163.
Bogart, J. P., and C. E. Nelson
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analysis of frogs of the families
Microhylidae and Rhinophrynidae.
Herpetologica 32(2): 199–208.
Boulenger, G. A.
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from Mount Victoria, Owen Stanley
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A. S. Anthony. Ann. Mag. Nat. Hist.
(ser. 6) 19: 6–13.
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REFERENCES
with high rainfall. Under such conditions,
upland standing water habitats are not
abundant, and streams tend to be torrential,
but moist terrestrial and arboreal habitats
are everywhere and are utilized by microhylids
from sea level to the highest mountains.
A parallel situation is in the Admiralty
and Solomon islands, where a diversity
of platymantine ranid frogs, all with
direct embryonic development, dominate
the faunas.
Trans. Zool. Soc. London 20(5): 247–
274.
Brass, L. J.
1956. Results of the Archbold Expeditions.
No. 75. Summary of the Fourth Archbold
Expedition to New Guinea (1953).
Bull. Am. Mus. Nat. Hist. 111(2): 77–
152.
1959. Results of the Archbold Expeditions.
No. 79. Summary of the Fifth Expedition
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118(1): 1–70.
1964. Results of the Archbold Expeditions.
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Ibid. 127(4): 145–215.
Brongersma, L. D., and G. F. Venema
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Bulmer, R.N.H., and M. J. Tyler
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Burt, C. E., and M. D. Burt
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