274 TELFORD: MULTIMAMMATE RAT POPULATION BIOLOGY IN TANZANIA 50+ OCT DEC FEB APR 1981-82 JUL SEP REPROD. U POST-REP.E NON-REP. [: Figure 18. Reproductive condition of the female cohort from the university campus P. natalensis population, October 1981-September 1982. SREPROD. POST-REP. FEB APR 1982-83 NON-REP. [I Figure 19 Reproductive condition of the female cohort from the university campus P. natalensis population, October 1982-September 1983. . . . . . . II