----------------------+------------+---------------+--------------- Segment 1/2. |Segment 1/4.|Segment 1/8 A. |Segment 1/8 B. -----------+----------+------------+---------------+--------------- Number of |Seconds of| |Continued |Rhythm pulsations.| rest. | |persistently to|tolerably -----------+----------+ |contract with a|perfect at 78 12 | 120 |No motion |nearly perfect |in the 5 3 | 10 |during the |rhythm of |minutes; but 2 | 20 |hour of |78 in the 5 |this was 44 | 130 |observation.|minutes during |occasionally 12 | 20 | |the hour |interrupted by -----------+----------+ |of observation.|long pauses of 73 | 5 min. | | |4 or 5 minutes' | | | |duration. --------------+----------+------------+---------------+---------------- Average rate | |Continuous |Interrupted 14-3/5 |No motion. |rhythm at the |rhythm at the per minute. | |rate of 15-3/5 |rate of 15-3/5 | |per minute. |per minute. ----------------------+------------+---------------+---------------- I now transferred all the segments to fresh sea-water, with the following results:-- Rhythm during first quarter of an hour immediately after transference, in five-minute intervals. ----------+-------------+--------------+--------------+------------- Time. | Segment | Segment |Segment |Segment | 1/2. | 1/4. 1/8 A. 1/8 B. ----------+-------------+--------------+--------------+------------- First 5 | | | | minutes. |139 | 0 |83 |20 |(irregular). | (regular). (irregular). Second | | | | 5 minutes.| 0 | 0 |68 " | 75 | | (regular). Third | | | | 5 minutes.|100 |39 |70 " | 69 " |(regular). | |(irregular). | ----------+-------------+--------------+--------------+------------- Rhythm two hours after transference (five-minute intervals). --------------+---------------+----------------+---------------- Segment 1/2. | Segment 1/4. | Segment 1/8 A. | Segment 1/8 B. --------------+---------------+----------------+---------------- 82 (regular). | 77 (regular). | 70 (regular). | 62 (regular). --------------+---------------+----------------+---------------- Rhythm next day (five-minute intervals).