Here are some of the District of Columbia dance studios catering to adults. For others, particularly in the suburban areas, check your Yellow Pages. Prices range from about $4 to $6.25 per class. African
* African Heritage Center--Athletic and authentic, with expert drumming accompaniment. 420 Seventh St. NW (Lansburgh's Cultural Center), 6th floor. 628-9528.
* Cacho's African Dancers and Drummers--Evening classes on Capitol Hill. 1110 Eighth Street SE. 544-0535.
* Salma Barzola--Afro-Brazilian at the 18th Street Studio. 2425 18th St. NW. 265-7036. Ballet
* Academy of Theatrical Arts--Two studios, conveniently located for downtown workers. 1747 Connecticut Ave. NW. 462-2266.
* Dance Downtown--Some local, professional dancers take ballet at this new studio, which also offers Limon-technique modern. 404 Seventh St. NW., 6th floor. 737-3337.
* Jones-Haywood School of Ballet--Official school for the Capitol Ballet. 1200 Delafield Pl. NW. 882-4039.
* St. Mark's Dance Studio--Lunchtime classes for the Capitol Hill crowd. Corner Third and A streets SE. 543-0054.
* Nikitina and Sergieff School of Ballet--Ballet (intermediate level only) in Georgetown. 1041 Wisconsin Ave. 966-4644.
* The Washington School of the Ballet--For early lunchers, an 11 a.m. class, and a men's class Wednesday evenings, all with piano player. 3515 Wisconsin Ave. NW. 362-1683. Modern
* The Dance Exchange--Full range of intro-level classes, and jazz at noon. 420 Seventh St. NW (Lansburgh's) 6th floor. 783-8900.
* The Dance Place--Best studio space in town, with live accompaniment. 2424 18th St. NW. 462-1321.
* Joy of Motion--Some classes better than others, but they run from 10 a.m. to 10 p.m. 1643 Connecticut Ave. NW. 362-1320.
* Jan Taylor--At the 18th Street Studio, 2425 18th St. NW. 265-7036.
* Louis Tupler--Modern dance technique. 4321 Wisconsin Ave. NW. 364-9422. Miscellaneous
* Capitol Hill Arts Workshop--Tap, ballet, jazz, modern. 545 Seventh St. SE. 547-6839.
* Dance Arts, Moving Arts--Intermediate-level combination ballet/modern. 1317 G St. NW. 737-1662.
* D.C. Danceworks--Dynamic classes (evenings), particularly jazz but including tap, ballet and modern, at all levels. 1327 F St. NW. 393-7432.
* Lynne's Dance Workshop--Tap, ballet, "modern jazz." Piney Branch Road and Dahlia streets NW. 635-0242.
* Rhythm--Tap with Mr. Max, also ballet, exercise and modern jazz. 2605 P St. NW. 342-8221.