. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. //rs i-:i iirnci's REPRODUCTION 379 4 - 03 2 J 2I°C X D X XX • a • • •ODD* XX XX DDXX OX X X 0 -|— «-OD — X1 - ODQcD - ,— X - X — X- 1 100 200 Initial Size (mm ) Figure 4. Kywimcnl B Number of hatches of eggs in relation to size (length • width) of 16 solitary individuals of Slylfichus ellipticus at 2I°C. Animals had been starved tor 5 weeks, then ted for 5 weeks (•). starved for 5 more weeks (x). then fed for 5 weeks (D). Initial size refers to size at the start of each of the 5-week periods. Only 15 square symbols are pres


. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. //rs i-:i iirnci's REPRODUCTION 379 4 - 03 2 J 2I°C X D X XX • a • • •ODD* XX XX DDXX OX X X 0 -|— «-OD — X1 - ODQcD - ,— X - X — X- 1 100 200 Initial Size (mm ) Figure 4. Kywimcnl B Number of hatches of eggs in relation to size (length • width) of 16 solitary individuals of Slylfichus ellipticus at 2I°C. Animals had been starved tor 5 weeks, then ted for 5 weeks (•). starved for 5 more weeks (x). then fed for 5 weeks (D). Initial size refers to size at the start of each of the 5-week periods. Only 15 square symbols are presented for second feeding tlatworms because one animal's size was not recorded (it produced no eggs). hatch, eggs per hatch) produced complicated results (Table I). Because these experiments were made during different months (March-August), we performed a covariate analy- sis with day of the year to determine if the results were affected by time of year the experiment was performed. For two attributes (number of batches and percent hatch) .c o o CO O) QL e £ O) o. t_ o> -0 E 0> o> UJ c o o> 200 — I 00 — 30°C x x 200—1 100 — -x—x»>WKfwe«-«- 2I°C x x —i— —i— —rrn— 50 100 150 250 Initial S i z e (m rr,2) 300 Figure 5. /. \i«.'nincni I \verage number of eggs produced per batch by solitary individuals of .S'n7«i•/;».« clliplii-u\. adjusted for initial tlatworm size at the start of the experiment and plotted in relation to initial size. Data are for flatworms fed (•) or starved (x) for 5 weeks at 2I°C or 30° (411) 0> zoo - a> .£> E 3 Z a> cr> UJ c o 100 - 0 D . x • v D . Y XX a „ • D x ^—.—Xr-Ac^D—r—x—x-x- 100 X X 200 nitial Size(mm ) Figure 6. li\pcn/>icnt B Average number of eggs produced per batch by 16 solitary indniduals clliplicnx. adjusted for initial flat- worm size at the start of the experiment and plotted in relation to size. Animals had been


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Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology