They may have come back from vacation to cold weather, but the Harvard men's swim team is still pretty hot stuff.

Led by Jim Carbone, who had personal bests in the 50-meter freestyle and the 200-meter breaststroke, and diver Jeff Mule, with his best performances off both the one-meter and the three-meter boards, the Crimson aquamen submerged a weak Dartmouth team, 78-35, Saturday in Hanover, N.H.

The swimmers, with their second easy win in a row since returning from 11 days of training in Puerto Rico over Christmas break, raised their season record to 6-0 and extended their dual-meet winning streak to 28, the longest in the nation.

The Crimson went 1-2 in the 200-meter breaststroke, as Carbone nipped team-mate Tom Royal with a time of 2:11.2. Royal's time of 2:12.2 was also his best while swimming unshaven. In an event that was supposed to be one of its strongest, Dartmouth failed to place anyone within four seconds of the top Crimson finishers.

In the 50-meter freestyle, Carbone again led a 1-2 Crimson finish, touching first in 21.8. Ned Cahoon held off Dartmouth's Vince Pollard to take second in 22.4.

Harvard's Steve Schramm once again proved to be the man to beat in the diving, as he finished first in both the one-and three-meter events with scores of 292.0 and 288.7, respectively.

But it was freshman Jeff Mule who really impressed Crimson diving coach John Walker. "He had the two best scores of his life," said Walker, "and with the exception of one dive on each board, his performance was really fine."

Mule's score of 288.7 on the low board, which put him closer to Schramm than ever before, was only two points below the cutoff point for competing at the NCAA qualifying meet.

The aquamen's next meet will be at the beginning of February, when they face their two toughest foes of the season: Ivy rival Princeton on February 2, and perennial national power Indiana on February 10.

Strategic Doctrine

Crimson assistant coach Jack Ryan thinks the Puerto Rico trip will prove a big boost in the team's preparation for those meets.

"Staying together over Christmas vacation and swimming together is like building up your bank account for hard times to come," he said. "When Princeton and Indiana come, we will still have plenty left in the till."

HARVARD 78, DARTMOUTH 35 at Hanover, N.H.

400 medley relay--1. Harvard (Geoff Seelen, Jim Carbone, Campari Knoepfler, Mike Coglin) 3:35.057.

1000 freestyle--1. Larry Countryman (H) 9:32.655; 2. Ted Chappell (H) 9:39.332; 3. George Chapman (D) 10:03.715.