Thanks CSB for drawings of [cirripede] larva and for permission to cite unpublished paper ["On the development of the cirripedes", Ann. & Mag. Nat. Hist. 2d ser. 8 (1851): 324–32]. Describes method of preserving specimens. Mentions Balanus common on tidal rocks at Tenby.

Thanks CSB for cirripede larvae.

Has been unwell.

Cannot see transverse articulation referred to and does not believe in it.

Sends species synonyms.

Discussion of Chthamalinae.

Suggests using asphalt to seal specimen containers.

Comments on mouth of larva.