Arrest Made In Cyclist's MurderTlie alleged sergeant-at-arms of a San Rafael motorcycle club was arrested yesterday in a raid on his Santa Venetia home on suspicion of murdering another biker in Sonoma CountyToo Many GradsJEFFERSON CITY, Mo lt;UPI) — The Missouri Commission on Higher Education said in its 1972 year-end report that graduate schools were producing too many people for the job market, resulting in decreasing employment mobility and a slackening of demand for thegraduates.in December.Marin Sheriff s deputies arrested 32-year-old Reuben Richard Robles, reportedly a member of the San Rafael chapter of the Hell’s Angels, on suspicion of murdering Richard Ashbury , 35.Ashbury's nude body was found dumped by the side of a rural road near Guerneville on Dec. 11. He had been shot four times in the head and his body set afire with gasoline.Also arrested on suspicion of drug offenses were Robles s wife and two other personsActing on a Sonoma County search warrant, sheriff's deputies yesterday went to 102 La Brea Way in search of evidence to link Robles to the killing, said Sheriff's Lt. James Schwedhelm.Using a metal detector, Sonoma deputies found .32-caliber bullets in the back yard and sent them to the state crime lab for analysis. Also seized were a .32-caliber pistol thought to bethe murder weapon, another handgun and a rifle, said Schwedhelm.Found in the home were small quantities of suspected narcotics and dangerous drugs.Arrested on suspicion of possessing dangerous drugs andpossessing them for sale were Robles; his wife, Bonnie Dolores Robles, 21, a 16-year-old girl, and Ruslin Effendi Mon-oarfa. 24. All were reported living in the house.Mrs. Robles was released on her own recognizance to appear tomorrow in Marin Municipal Court, while Monoarfa posted $2,500 bail to appear the same day. The girl was turned over to juvenile authorities.Bail for Robles on the drug offenses was set at $5,000, but he was being held without bail for Sonoma County and was to appear today in Marin Municipal Court.