Kent Parrot drove home three goals in the first six minutes of the third period to boost the Harvard hockey team to its second victory of the year over Dartmouth, 5-3.

The Crimson, sluggish at the start of the 10:30 a.m. encounter at Hanover Saturday, fell behind, 2-1, to the Indians, playing their most inspired hockey of the year. But the six-minute frenzy, which also included a goal by Don Grimble and a nullified lamp-lighter by Pete Waldinger, was more than enough to subdue outclassed Dartmouth.

Parrot's first marker, a chippy from the cage corner, tied the contest after 33 seconds of third period play. One minute later the sophomore center drilled in his second from eight feet on a neat setup by wing Ben Smith on a 2-on-1 breakaway.

The third line got into the action at 5:38 when center Don Grimble beat Cruikshank on a breakaway, to give Harvard a 4 2 edge. Fifteen seconds later, Parrot capped the scoring binge by converting a ten-foot rebound off a hard shot by Smith that Parrot himself had set up.

Fans Get Glum

The Winter Carnival crowd, standing three deep behind the last row of seats, was stunned by the total reversal in the Green's fortunes. The cheering had been deafening when Indian center Karl Androws put Dartmouth into the lead at 5:14 of the opening frame, and when Captain Charlie Stuart upped the margin seven minutes later.

But Harvard pared the deficit with five minutes to play in the first period, when Garrity stole the puck at the Indian blue line and fed Bob Fredo, breaking in all alone on Cruikshank. The sophomore wing faked Cruikshank down from the left, then carried the puck across the crease and flipped it into the right side above the goalie's extended leg.

Using the game to prepare for tonight's all-important Beanpot final against Boston University in the Garden at 9 p.m., Coach Cooney Weiland shifted personnel drastically.

Smith Shines

Ben Smith, who was the standout Crimson performer Saturday, was moved to right wing on the first line mid-way through the game and responded with four assists in the third period. The line situation may be further complicated, however, as left wing Dennis McCullough suffered a charley horse and may be slowed tonight.

Pete Waldinger, who was moved to the second line, and third-line center Pete Miller have been hit by flu. The defense, too, is in flux, with Weiland looking for two pairs from among Bobby Carr, Bobby Clark, Chip Scammin, Tag Demment, Gordie Price, and Smith.