This article reports on a study into the acquisition of Welsh and English phonology in Welsh -English bilingual children. It concentrates on the acquisition of the rhotic consonants, that is the trilled -r of Welsh and the approximant-r of English. The trilled -r shows differential patterns of acquisition depending on the age and language dominance of the subjects. It also demonstrates a wide range of substitutions, and it is argued that some of these may be due to influence from English, while others seem to be used because of their acoustic similarity to the target. Much less variation is found with the substitutions used for approximantr, and it is shown that, again, there is an acoustic reason for the choice of the commonest of them. While the two sounds clearly are different, neither the trill nor the approximant demonstrate 100% accurate usage even in the oldest age group of subjects (4;6 -5;0) (although the approximant does approach 90% ). Therefore, they belong to the group of consonants acquired last in their respective languages.

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Creating an information architecture for a bilingual Web site presents particular challenges beyond those that exist for single and multilanguage sites. This article reports work in progress on the development of a contentbased bilingual Web site to facilitate the sharing of resources and information between Speech and Language Therapists. The development of the information architecture is based on a combination of two aspects: an abstract structural analysis of existing bilingual Web designs focusing on the presentation of bilingual material, and a bilingual card-sorting activity conducted with potential users. Issues for bilingual developments are discussed, and some observations are made regarding the use of card-sorting activities.

This article reports on a study into the acquisition of Welsh phonology in bilingual Welsh-English children. It concentrates on the acquisition of the voiceless alveolar lateral fricative, which showed a wide range of substitutions, and differential patterns of development dependent on the dominant language of the subjects, and the position within the word of the target. Various substitution strategies are described, including fricatives, and fricatives plus lateral. It is noted that in these two categories, velar fricatives become increasingly common in later age ranges, especially with the English dominant speakers. It is argued that this is because, unlike front fricatives, the velar fricative shares several important acoustic characertistics with the lateral fricative: namely, a formant-like structure and the same top limit to the noise spectra.

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