— lateralis, xi, 285.

— mexicanus, xi, 293.

— tetradactylus, xi, 291.

Protonopsis horrida, xiii, 69.

Rana, description of genus, xi, 273.

— clamata, x, 63.

— cornuta, xi, 271.

— flaviviridis, x, 58.

— halecina, x, 61.

— marina, xi, 271.