Examines the two-finger extension as a hand shape in sign language by analyzing data on 10 different sign languages. The analysis shows that a theory of marking can be developed for sign languages along the same lines as those used for spoken languages--only the particular physiology is different. (SED)

Discusses arguments that support the position regarding the distribution of non-grammatical markings of negation and of "wh"-scope and emphasizes the importance of looking for deep unifying principles in cross-modal studies of American Sign Language in order to further understanding of Universal Grammar. (33 references) (Author/CK)