21 
Amoen. acad. 1 . p. 285. Frog with four-toed front feet, rear feet five-toed and 
palmate. Tips of the claws roundish. 
Mus. Ad. Fr. 1 . p. 47.The same frog. 
Seb. mus. ^.t.7^.f. 3, 4. Surinam frog. 
Lives in America. 
It is very similar to the tree frog but all the feet are palmate and the body is large 
and white, even possessing milky white spots. And these things are enough to 
distinguish it as a species. 
Oviparous aquatic frogs undergo metamorphosis. 
page 214 
II. SERPENTES 45 
Mouth breathing. No feet or fins. 46 
107. CROTALUS. Abdominal scutes. Subabdominal scutes and scales. Rattle at the end of its 
tail. 
Scutes and small scutes. 
192. horridus. 167-23:2. Mus. Ad. Fr. 1 . p. 39 
Cf Bradl. natur. t. 9. f. 1 
Seb. mus. 2. t. 95 f. 1. 
Lives in America 
Very venomous; its antidote is Senega ; it is eaten by pigs; it calls down 
birds and squirrels from the trees into its jaws. 
195. Dryinus 165-30. Amoen. acad. 1. p. 297. 
Cf Lives in America. 
A few off-white, yellowish spots. 
196. Durissus. 172-21:3. Amoen. acad. 1 . p. 500. 
Cf Kalm. act. Stockh. 1752. p. 310 & 1753: p. 52,185. 
Gron. mus. 2. p. 70. n. 45. Crotalophorus 174-22:3. 
Lives in America. 
Varied with white and yellow, black rhomboidal spots with white ones in a 
disc pattern 47 
108. BOA. Abdominal scutes. Subcaudal scutes (lacking a rattle). 
276. scytale. 250-26. Gron. mus. 2. p. 55. n. 10. 
Scheuch. sacr. t. 737. f. 1 . 
Lives in America. 
Color undulate in white and black. The scales of the head are larger. 
page 215 
280. canina. 203-77. Mus. Ad. Fr. 1. p. 39. t. 3. 
Seb. mus. 2. t. 96. f. 2. 
t. 81. f. 1. 
Lives in the trees of America. 
Green with intermittent white stripes. 
