Example sentences of "[adj] shield be usually " in BNC.
Next page| No | Sentence |
|---|---|
| 1 | The oral shield is usually small , rounded , triangular except the madreporite which is usually large . |
| 2 | The radial shields are usually covered although in some specimens it is possible to see the outline of distal end . |
| 3 | The radial shields are usually separated or contiguous only distally . |
| 4 | The radial shields are usually widely contiguous . |
| 5 | A subfamily of the Ophiuridae characterised by the disk comprising scales completely or partially covered with a coat of granules sometimes also covering the radial , adoral and oral shields ; the teeth are papilla-form and arranged in a single series ; the second oral tentacle pore opens within the mouth slit ; the adoral shields are usually long and flared distally ; the oral shields are small , triangular or arrow shaped ; the arms are long , often flat and wide , tapering slowly to the end of the arm ; the dorsal and ventral arm plates are large and successive ones may be contiguous ; the tentacle pores are variable in size , sometimes enlarged , armed with one to several scales . |