Nordickson 1950 Journal 44. No. 12 Bogota, Cundinamarca, Colombia, S. A. 8500 ft. sore forms in the area. I treated the sore repeatedly with iodine, merthiolate and formalin, to no apparent avail. Finally I scraped the whole wound out as deeply as I could bear. I removed one small, discrete object about 1mm. long x .3-.4 mm. diam. on which we could see what appeared to be three pairs of chitinous claws or vestigial legs. I then treated the opened wound liberally with iodine. Today, 3 days later, the sore is again weeping. We were told that there was little or no mosquito problem around Villavieja or Corbetana Camp. This was quite true except during our night works on anurans, done in damp, often swampy places. Even then, most of the mosquitoes Dr. Stobbins saw were ones I pointed out, biting me. Small ticks were at intervals encountered in numbers - apparently we most often picked them up when wading through dense grass and brush along Quebrada Corbetana, a short distance W of the RR tracks. These showed a predilection for the