INDEX 



115 



montanus. Microbatrachylus, 53, 54, 102. 

 montezumae, Rana, 97, 99, 101, 103, 



104, 106. 

 moreleti, Bolitoglossa, 23, 24, 102. 

 moreletii, Agalychnis, 71, 102, 105, 107, 

 108. 



Hyla, 71. 



Phyllomedusa, 71. 

 mosaueri, Chiropterotriton, 31, 32, 104. 



Oedipus, 32. 

 multidentata, Bolitoglossa, 32. 



Chiropterotriton, 31, 32, 104, 106. 



Oedipus, 32. 

 multidentatus, Oedipus, 30. 

 multiplicata, Gymnopis, 5. 

 multiplicatus, Scaphiopus, 35, 36, 101, 

 103-108. 



Scaphiopus hammondii, 36. 

 muricolor, Hyla, 76. 

 mystaceus, Syrrhophus, 65. 



nana, Hyla, 85. 



natator, Eleutherodactylus, 60, 65, 105, 



108. 

 nattereri, Eupemphix, 47. 

 nayaritensis, Bufo, 39, 44, 105. 

 nebulifer, Bufo, 45. 



nebulosus, Syrrhophus, 49, 51, 102, 107. 

 netting!. Siren intermedia, 6, 107. 

 nigroflavescens, Bolitoglossa, 21, 22. 



Magnadigita, 21, 22, 102. 

 nigromaculata, Bolitoglossa, 29. 



Pseudoeurycea, 26, 29, 107. 

 nigropunctata, Hyla, 75. 

 nigroreticulatus, Hj^popachus cuneus, 



95, 96, 102, 108. 

 nitidus, Liuperus, 48. 



Tomodactylus, 48, 103, 105-107. 

 norisovalis, Thorius, 17, 18, 105. 



oaxacae, Gymnopis multiplicata, 5, 102, 

 103, 105. 



Microbatrachylus, 53, 54, 105. 

 occidentalis, Bolitoglossa, 22, 23, 102. 



Bufo, 43. 



Eleutherodactylus, 58, 62, 102, 104, 

 105, 108. 



Leptodactylus, 56, 106, 107. 

 occipitalis, Bufo, 44. 

 Oedipina, 19, 21. 



lineola, 21, 107. 



lineolus, 21. 



uniformis, 21. 

 Oedipus altamontanus, 28. 



bellii, 26. 



cephalicus, 29. 



chiropterus, 32. 



fiaviventris, 24. 



gadovii, 27. 



giganteus, 27, 



leprosus, 28. 



lineolus, 21. 



macrinii, 22. 



manni, 30. 



mexicanus, 25. 



mosaueri, 32. 



Oedipus multidentata, 32. 



multidentatus, 30. 



orizabensis, 29. 



platydactylus, 24, 26. 



robertsi, 28. 



rufescens, 23. 



salvinii, 24. 



smithi, 28. 



sulcatus, 28. 



townsendi, 20. 



variegatus, 23. 

 olivacea, Gastrophrvne, 93. 



Microhyla, 92, 93, 103, 107. 

 olivaceum, Engystoma, 93. 

 omiltemana, Rana, 98. 

 Opisthocoela, 33, 34. 

 Opisthodelphys ovifera, 70. 

 orculus, Spelerpes, 32. 

 ordinaria, Ambystoma, 13. 

 ordinarium, Ambystoma, 10, 13, 104. 

 oriza})ensis, Oedipus, 29. 



Spelerpes, 29. 

 ovifera, Opisthodelphys, 70. 

 ovis, Hypopachus, 95, 96, 103-105. 

 oxyrrhinus, Hvpopachus, 95, 96, 103 

 104, 107. 



pachyderma, Hyla, 80, 86, 108. 

 palmipes, Pohha, 96. 



Rana, 96-98, 102, 105-108. 

 Paludicola pustulosa, 47. 

 Parvimolge, 18, 20. 



townsendi, 20. 

 Pelobatidae, 34. 

 pennatribus, Thorius, 17. 

 pennatulus, Thorius, 16, 17, 18, 107. 

 perlaevis, Cystignathus, 57. 

 perplexus, Bufo, 39, 45, 102, 103, 105. 

 petasatus, Pharyngodon, 70. 



Triprion, 70, 108. 

 petersi, Engystomops, 47. 

 phaeota, Hyla, 80, 88. 

 Pharyngodon, 70. 



petasatus, 70. 

 phlebodes, Hyla, 85. 

 Phyllobates cystignathoides, 52. 



verruculatus, 52. 

 Phyllomedusa dacnicolor, 71, 72. 



helenae, 72. 



moreletii, 71. 

 picta, Hyla, 79, 85, 106-108. 



Hylella, 85. 

 pinorum, Hyla, 80, 87, 103. 

 pipiens, Rana, 1, 97, 98, 101-108. 

 pipilans, Syrrhophus, 49, 50, 103, 105. 

 pisciformis, Siren, 7. 

 Piscis ludricus, 8. 

 platycephala, Hylella, 76, 

 platydactyla, Bolitoglossa, 23,':i03,'.105- 



107. 

 platydactylus, Oedipus, 24, 26. 



Salamandra, 22, 23, 26. 

 Plectrohyla, 68, 73. 



crassa, 86. 



"Form b." 73. 



