61. P. Howard-Peebles - Inst, for Genetics, Univ. of Southern 



Mississippi, Southern Station Box 5153, 

 Hattiesburg, Miss. 39401 



62. R. Howell - Dept. of Ped., Univ. of Texas Med. Sch. 



at Houston, Rm. 208, John Freeman Bldg. , 

 P.O. Box 20708, Texas Med. Cntr., Houston, 

 Texas 77025 



63. Y. Hsia - Dept. of Human Genet., Sch. of Med., Yale 



Univ., 333 Cedar St., New Haven, Conn. 06510 



64. L. Hsu - Dept. of Ped., Mt . Sinai Sch. of Med., Fifth 



Ave. and 100th St., New York, N.Y. 10029 



65. P. Huang - Dept. of Biochemistry, Johns Hopkins Sch. of 



Hygiene and Public Health, 615 N. Wolfe St., 

 Baltimore, Md . 21205 



66. L. Jackson - Div. of Med. Genetics, Jefferson Med. Coll., 



1025 Walnut St., Philadelphia, Pa. 19107 



67. E. Jenkins - Dept. of Cytogenetics, Inst, for Basic Res. 



in Mental Retard., 1050 Forest Hill Rd., 

 Staten Island, N.Y. 10314 



68. M. Kaback - Div. of Med. Genetics, Harbor General Hosp. 



UCLA Sch. of Med., Torrance, Calif. 90509 



69. S. Kaffe - Div. of Med. Genetics, Dept. of Pediatrics, 



Mt. Sinai Sch. of Med., Fifth Ave. at 100th 

 St. , New York, N.Y. 10029 



70. T. Kelly - Box 201, Dept. of Ped., Univ. of Virginia, 



Charlottesville, Va. 22901 



139 



