BULLETIN FLORIDA STATE MUSEUM VOL. 34(6)


TABLE 3. Litter size of Praomys natalensis in comparison with embryo size.


 Embryo crown-rump length (mm)
 S1 SE (N)


Year < 10 10-19 > 19


1982 12.6-+0.5 (51)* 11.10.4 (32) 10.30.9 (16)
range (3-20) (7-16) (5-18)
1983 11.9+0.4 (72) 12.30.4 (56)* 10.70.6 (22)
range (4-23) (5-18) (5-15)
1984 12.10.3 (93) 11.80.4 (43)* 10.70.4 (36)
range (7-19) (8-18) (7-14)
1982-84 12.20.2 (216) 11.80.2 (131)* 10.60.3 (74)
range (4-23) (5-18) (5-18)

* P < 0.05






TABLE 4. Monthly and annual variation in mean litter size of Praomys natalensis on the
University Campus, Morogoro.


 Mean  1 SE (N)



Month 1982 1983 1984 1982-84



Feb 10.70.3 (36)
Mar-Apr 9.7 (3) 10.80.4 (33) 10.70.4 (36)
May-Jun 11.70.4 (34) 11.40.8 (17) 12.90.5 (36) 12.10.3 (84)
Jul 13.20.6 (31) 13.00.4 (43) 12.60.6 (39) 12.00.3 (113)
Aug 10.50.5 (42) 11.50.3 (86) 11.20.5 (28) 11.10.2 (151)
May-Aug 11.60.3 (104) 11.00.3 (140) 12.30.3 (103) 11.70.1 (431)