Pearson-1988 14 Oryzomys longicaudatus April 19. 47 big Shermans at Arroyo Carbon caught 19 Oryz nd 10 Ako longipilis. Killed all the Oryz: 88-04-1 m 218 127 30g testis 4mm white, sv 3; much fat. 88-04-2 m 224 130 28 t 3.5 white, sv 3. 88-04-3 m 205 114 26 t 4 white, sv 3. 88-04-4 m 216 128 24 t 3, sv 2. 88-04-5 f 202 116 20 uterus nullip. 88-04-6 f 196 109 22 ut with scars, nipple medium. 88-04-7 f 199 118 19 ut nullip. 88-04-8 f 186 104 17 ut nullip. 88-04-9 m 207 114 25 t 3 white, sv 2. 88-04-10 m 194 107 20g t 3mm white, sv 2. 88-04-11 m 230 135 32 t 4 white, sv 3. 88-04-12 m 232 130 33 t 3 white, sv 3; much fat. 88-04-13 m 225 136 28 t 3 white, sv 2. 88-04-14 f 200 114 21 ut nullip. 88-04-15 f 195 111 19 ut thin but clear scars, nip. small. 88-04-16 f 234 129 27 uterine scars; nip small-med. 88-04-17 f 238 130 32 uterus with scars; nip med. 88-04-18 m 210 115 26 testis 3.5 white; sv 3. 88-04-19 f 217 121 26 ut. yellowish with scars. Under every rosa mosqueta bush was a pile of eaten fruits with the seeds gnawed open., April 26. The following mouse escaped in apartment (from above series), was recaptured last night: 88-04-20 F 208 116 27 t 3 white, sv 3; May 5. Centro Atomico, 12 km W Bariloche. Put out 66 Shermans yesteredayat 5 p.m, half of them through "steppe" with dwarf nire, radial, retamo, acaena, neneo, and compositeae ground cover; the other half in scrubby cutover cipres forest with radial and rosa. Night cold, frost on the nire flat, ice in the car. Traps caught 13 Oryzomys (one of which escaped), both lines produced: 88-05-1 f 185 104 16g ut nullip 88-05-2 f 197 114 17 ut nullip 88-05-3 f 221 123 25 ut definite scars, pelvis slightly open 88-05-4 f 207 123 17 ut nullip 88-05-5 m 200 113 19 t 3 white, sv 2 88-05-6 m 211 120 23 t 3, sv 2 88-05-7 m 212 120 22 t 3, sv 2 88-05-8 m 193 110 17 t 3, sv 2 88-05-9 m 207 121 22 t 3, sv 2