This paper concerns the question of linguistic deficiency in the bilingual setting. The author believes that language is a uniquely human phenomenon developing mainly in response to maturation in the midst of confusing linguistic input, varying in style and language according to situation. However, there seems to be no reason to expect the bilingual setting to produce a condition of linguistic deficiency. A child may acquire two linguistic systems in a general sense, or a single system overlapping two languages. A working system can, nevertheless, be the result. The report includes a bibliography. (SK)