118 BULLETIN 194, UNITED STATES NATIONAL MUSEUM 



Thorius pennatulus, 16-18, 107, 



pulmonaris, 16, 17, 105. 



troglodytes, 17, 18, 106, 107. 

 tigrina, Salamandra, 11. 



Siredon, 11. 

 tigrinum, Ambystoma, 10, 11, 14. 

 togata, Salamandra, 24. 

 Tomodactylus, 46, 47. 



albolabris, 48, 103. 



amulae, 47, 48, 103, 105. 



angustidigitorum, 47, 48, 103, 104. 



macrotympanum, 47, 48, 104, 106. 



nitidus, 48, 103, 105-107. 

 torosus, Triton, 14. 

 townsendi, Bolitoglossa, 20. 



Oedipus, 20. 



Parvimolge, 20. 

 trachypus, Bufo, 44. 

 trilobata, Rana, 98. 

 Triprion, 67, 70. 



petasatus, 70, 108. 



spatulatus, 69. 

 Triton torosus, 14. 

 Triturus kallerti, 15. 



klauberi, 15. 



torosus klauberi, 15. 



meridionalis, 15. 

 troglodytes, Thorius, 17, 18, 106, 107. 

 typhonia, Leptodactylus, 55. 



Rana, 65. 

 typhonius, Rana, 55. 



underwoodi, Hyla, 79, 85, 102, 103, 108. 

 unguidentis, Bolitoglossa, 27. 



Pseudoeurycea, 25, 27, 105. 

 uniformis, Oedipina, 21. 

 usta, Gastrophryne, 93. 



Microhyla, 94. 



Microhvla usta, 92, 93, 103, 104, 

 107, 108. 

 ustum, Engystoma, 93. 



valliceps, Bufo, 39, 44, 101, 102, 104^ 



108. 

 vanvlietii, Hyla, 76. 

 varians, Scaphiopus, 35. 

 variegata, Geotriton, 23. 



Salamandra, 23. 



Spelerpes, 24. 

 variegatus, Oedipus, 23, 



Spelerpes, 23. 

 variolosum, Engystoma, 94. 

 velasci, Ambystoma, 11, 103, 104, 106. 



Ambystoma tigrinum, 11, 12. 

 venulosa, Hyla, 74, 75. 



Rana, 74. 

 venustus, Eleutherodactylus, 60, 66, 

 102, 108. 



Hylodes, 66. 

 verrucipes, Syrrhophua, 50, 52, 104. 

 verruculatus, Phyllobates, 52. 



Syrrhophus, 50, 52, 104, 108, 108. 

 viridescens, Diemictylus, 15. 

 viridis, Hyla, 77. 



viridissima, Centrolenella, 68, 69, 103. 

 vocalis, Eleutherodactylus, 59, 64, 104. 

 vulgaris, Bufo, 37. 



woodhousii, Bufo, 40. 



Bufo woodhousii, 37, 40, 101-103, 

 107. 

 wrightorum, Hyla, 78, 84, 102. 



xolocalcae, Bolitoglossa, 33. 



Chiropterotriton, 31, 33, 102. 



yucatana, Bolitoglossa, 23, 25, 108. 

 yucatanicus, Spelerpes, 25. 

 yucatanus, Spelerpes (Oedipus), 25. 



zempoalaenisis, Rhyacosiredon, 6, 8, 9, 

 104. 



O 



