[Illustration: Appendix Figure B1.--A sample cruise track with cetacean
sightings. See text for detailed data recording.]

GENERAL INFORMATION

RV Melville (34-foot converted fishing boat)
U.S. Department of Commerce
NMFS

Hydrographic Cruise Miami, Florida to Flamingo, Florida

28-31 January 1973

2 observers (G.E. Lingle and G.M. Mohr)

EYE LEVEL OF OBSERVERS: 16 feet above water

AVERAGE SHIP SPEED: 8.0 knots during continuous watch

CONTINUOUS WATCH INFORMATION (REFER TO FIG. B1):

START END START END
LEG DATE TIME TIME POSITION POSITION WEATHER--VISIBILITY

1-2 2/28 1200 1730 U. Miami Dock 25-42N Beaufort II Visibility
Va. Key 80-02W 3 miles

3-4 2/29 0800 1500 24-26N 25-00N Beaufort I Visibility
80-04E 81-04W 3.5 miles

5-6 2/30 0700 1680 25-12N 25-12N 3.5 miles
80-46W 81-10W

7-8 2/31 0700 0900 25-00 Flamingo 3.5 miles
80-45W

CETACEAN OBSERVATIONS (REFER TO FIG. B1):

A-2/28 1048 16 bottlenosed dolphins, _Tursiops truncatus_. 6 miles
outside our course, headed west--rode bow briefly. Large
concentrations of sea birds in area. One porpoise freeze
branded N-1 on dorsal fin.

B-2/29 1100 2 right whales directly ahead of vessel headed
NE--40-foot female? with calf. 2 bottlenosed dolphins
accompanying the whales were riding pressure wave off
whale's head.

C-2/29 1400 25-30 spotted porpoises, _Stenella plagiodon_, 1.25 miles
outside our course, heading 240 deg. mag. Did not ride bow
wave.

D-2/30 1300 8 bottlenosed dolphins, _Tursiops truncatus_, 200-300
yards inshore of our course, milling in area of
concentrations of mullet and other small schooling fishes,
dolphins (porpoises) and birds feeding on fish.

SIGHTING INFORMATION

DATE AND LOCAL TIME [Handwriting: 27 January 1977 0845] LOCATION[13]
[Handwriting: Ca. 25 deg.00'N, 80 deg.30'W]

WEATHER CONDITIONS [Handwriting: Scattered rain squalls, visibility
1-1.5 mi, Temp 42 deg.F]

OCEANOGRAPHIC CONDITIONS[14] [Handwriting: Swells 1-2 feet, scattered
white caps Winds from S.E. @ 3-8 knots, gusting in squalls to 15