Hanken, James 1975 Journal Costa Rica - Green Turtle Station: Green Turtle Station, sea level, Tortuguero, Limón Province, Costa Rica 28 July for a slight shower, Stephen Carr and I went over to the forest behind the fishing camp across the river to look for frogs. Two Leptodactylus pentadactylus were found in front of the fishing camp, and one Dendrobates gemilio was found ~ 4' up on a stump in the forest, but no other frogs were found, and Ranas were found commonly at the river edge by the GTS, the fishing camp and along the Laguna Pentacria. One of the latter was collected (A171) and the heart and some blood preserved for Sue Case. However, no breeding choruses were heard and the low-lying areas which were found to be extensively flooded last week after a hard rain were only slightly flooded. No breeding choruses were heard either at the "swimming pool" at the fish camp or at the rain sink 5 of the GTS (although a small (~2'-5') Caiman crocodilus was found in it) at the former. Evidently there have been only a few nights this month when the conditions have been conducive to frog breeding choruses. Two more snakes were brought to my attention on 24 July. Chuck Carr found a (A169) "blood snake", so-called because of the