ON REPTILES COLLECTED BY DR. GEO. BAUR NEAR GUAYAQUIL, ECUADOR. BY S. G ARM AN. Though it contains but few types, this collection is of interest because of the means it affords for determining a number of individual variations, and for perfecting to some extent several of the original descriptions, and also for re-ducing the number of nominal species. The specimens w^ere secured either in the immediate vicinity of Guayaquil or, along or off the coast, on the way from that city to the Galapagos Islands. Pelamis platura Linn. ; Garm. Four specimens of this sea snake were taken opposite Santa Helena. The first has 53 scales in a row around the body near the middle, nineteenof them being included in the black color of the back. In a row from the chin to the tip of the tail there are 344 on the body, and 52 on the tail. Around the middle of the tail there are 27 rows. On each side of the head a large anteorbital reaches from the prefrontal to the lower of the two postorbitals. None of the labials reach the orbit. On the second there are 56 scales in a roAV around the middle of the body ; and in a line from the chin to the end of the tail there are 355 scales on the body, and 48 on the tail. Seventeen of the scales around the body are in the (88)
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